celestron travel scope 70 az

Review: Celestron TravelScope 70 Telescope

Author: Luna Gregoria

Updated: Nov 7, 2022

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I want to like the Celestron TravelScope 70, I really do. I have had fun with it. But I just can’t recommend it to beginners for astronomy. And though I’m not an expert on daytime spotting scopes, I’d probably advise against getting one for that purpose as well. It is a nice optic ruined by poor mechanical design and accessories, and unless you’re willing to spend more time and money replacing its accessories (or if you have them already lying about, as I do), I can not recommend it.

The advertising on the box describes it as a nature observing telescope which can be used for casual astronomy. This seems to sort of explain (or disclaim) some of the... peculiarities of this instrument.

Total Score

5/10: Downsides outweigh upsides

Score Breakdown (out of 5)

Moon & Planets: 3

Rich Field: 3

Accessories: 3

Ease of use: 2

Portability: 5

Read our scoring methodology here .

• A nice 70mm f/6 achromatic objective.
• Lightweight and portable.
• Sturdy enough.
• Decent eyepieces.
• Stopped down effective aperture.
• Useless optical finderscope.
• Terrible 45-degree erecting prism.
• Useless, extremely wobbly tripod.

The Competition

I picked mine up used for $50, and I think at that price it’s just about right. But at full price? There are better options in most cases.

If you want a telescope that is small, lightweight, and very easy to use, consider the Orion SkyScanner 100 or Zhumell Z100, a 4” tabletop reflector. And at this price point, if you want to scan wide fields of view across the sky searching for bright deep-sky-objects and star fields, consider a pair of binoculars instead. A 10x50mm or 7x50mm pair of binoculars have the same overall light gathering.

Our Verdict

If you’re already a telescope owner, this might be a good portable option for you, for the same reason as the ST80. I find the TravelScope 70 is lightweight enough that it plays much nicer on photo tripods than the ST80 that I own, and despite getting the ST80 specifically as a grab-n-go scope, I found that I would end up taking the TravelScope 70 outside instead, especially if I wanted a peek at something behind the trees, visible from a different part of my yard. It’s a bit like a ShortTube 70 , in overall design and in application, and for an astro-tinkerer you may be able to fix some of its shortcomings.

But for a beginner? There are probably better options. Even Celestron’s TravelScope 80, though it has some similar bad accessories, has the beloved Synta-made ShortTube 80 optics and mechanical design, and it’s only around $20 more expensive. Meade’s AdventureScope 80 is like the TravelScope 80 but with a marginally better diagonal. (And if you’re considering getting a TS80 or AS80, why not go for the fully kitted out ST80-A or ST80-EQ?)  

Just be sure, before you buy, that you’re ok with buying a telescope without a tripod or mount, because that’s effectively what you’ll be getting--the tripod must be replaced to do astronomy with it, and should probably be replaced even if you just want a daytime spotting scope. Treat it as an optical tube and eyepieces only.

Celestron Travelscope 70

Rating: 2.5/5

The Tripod of the Celestron TravelScope 70

I have some bad news and some good news.

I normally discuss the optics first, but I’m going to address the tripod first this time, because it is the most important thing to beware of with this telescope. The tripod belongs in the trash . It might work, barely , for a small point-and-shoot toy camera. But a telescope will magnify any small wobble and cause the image to shift and shake tremendously. Even at low magnification, I found that it was almost unusable, but I could just about find focus. At 40x, I couldn’t even find focus–any tap of the focuser knob sent the image into several seconds of shaking. The mount head is soft and plastic, and it feels like it wants to break instead of move where I want it to. It is hopelessly unbalanced in the altitude axis, which means pointing above about 45 degrees is futile. (Of course, for reasons I’ll get into, it’d be futile anyway). It’s also so short that even when fully extended, I had to take a chair out and sit down to reach the eyepiece. It’s too short even for terrestrial use, pointing around the horizon.

That was the bad news. The good news is that the TravelScope 70 is small enough that it can easily be used on any good tripod. So if you already have a nice and sturdy tripod, tall enough for the mount head to get above your face when observing while sitting down (or ideally, when standing as well), then the TravelScope 70 will probably work fine there.

The TravelScope 70 has an achromatic lens objective with an aperture of 70mm and a focal length of 400mm. Its lens elements are nicely coated without bright reflections. My impression is that, for the money, this is a pretty great objective lens. It won’t hold up to any 70mm Apochromat, but you get what you pay for.

There are a few problems with the mechanical design of the TS70. First of all, the (non-collimatable) lens cell, which is similar in design to the ShortTube 80’s and some other cheap achromats I’ve seen, was tightened extremely tight. I put in a lot of elbow grease to loosen the lens cell. The trouble is that this tightened lens cell actually bends the glass, creating “pinched optics.” You might not think glass can bend, but you’re only allowed to bend by 1/1000th the width of saran wrap, so screwing the lens cell down so tight makes the image noticeably fuzzier at high powers. In fact, I’d go so far as to say that the image at first was a mess. After loosening the lens cell just enough that I could hear a slight rattle when shaken (but not too much so that the scope would never be collimated), the image was much cleaner and sharper.

When testing the optics, I did so with and without the 45-degree erecting prism, and I found that without the prism, the image is actually pretty good. It’s got some spherical aberration (in the star test it looks pretty bad, but in actual use, it’s not too noticeable, definitely not at 40x given by the stock 10mm eyepiece) and it is a little rough. It remained out of collimation. It is possible (though tedious) to fix collimation in a lens cell like this, but it wasn’t bad enough to worry about.

The biggest optical problem in the telescope tube is actually part of the mechanical design of the telescope. The focuser used seems to be identical to the one used on a long-focus 70mm achromat, so it’s too long, and it actually protrudes into the light path. For some positions of the focuser, the entire 70mm objective is visible, for others it’s restricted to perhaps only 60mm! Overall, the aperture is probably around 65mm when used with a mirror star diagonal . It’s 60mm or less when the stock prism diagonal is used, since it takes up more focuser travel and vignettes the light path. It may be possible to saw off part of the focuser drawtube to fix this oversight. I haven’t done this for the review. This is a frankly embarrassing error to make since, as far as I can tell, the quality of the objective is easily good enough to justify making full use of all 70mm of it.

The Accessories

The two eyepieces are a 20mm and a 10mm Modified Achromat (a variant of a Kellner eyepiece that has three elements). They have fairly wide fields of view, sharp centers, and passable edges. They’re nothing special, but they’re far better than what many beginner telescopes come with, and they definitely work for this purpose.

The TravelScope 70 comes with a black nylon bag that can hold the tripod and telescope. It’s a nice extra, and it might have come in handy if the tripod that’s meant to go with it was any good. If you get a nice, but small, tripod, you might make use of it.

The two real letdowns among the accessories are the finderscope and the prism diagonal. The finderscope is ridiculous. Galileo’s telescope was probably better. These things barely belong in a McDonald’s happy meal toy, let alone a telescope. It is barely sufficient for sighting through it to find targets, but it isn’t usable on its own as a wide-field finderscope.

The biggest problem with the accessories, other than the tripod, is the 45-degree erecting prism, which goes between the focuser drawtube and the eyepiece. The body is made of plastic, and it feels cheap. It is both an ergonomic and an optical disaster.

Diagonals typically come in 45-degree angles (with erecting prisms) or 90-degree angles (either with a mirror or an erecting prism). This is because, if you imagine pointing a telescope with no diagonal at all high in the sky, you’d have to crane your neck uncomfortably to get your eye to the eyepiece. A 90 degree diagonal is preferred for astronomy since it allows a comfortable viewing angle even when pointed all the way to the zenith (top of the sky). A 45 degree prism can’t go above 45 degrees before you have to start looking up into it. However, 45 degree prisms can be preferred for nature observing if the tripod is tall enough. And for a terrestrial spotting scope, you do want an upright image. Mirror diagonals will show a mirror image, but don’t degrade the image as much. Because the tripod is so short, a 90 degree erecting prism would have been preferred.

The problems don’t stop with ergonomics. Unfortunately, it also degrades the optics of the telescope. The view of the Moon was plenty sharp with a mirror diagonal installed, but going back to the prism, the view became blurry and there was a lot of chromatic aberration (false color fringing). It’s adequate for viewing at low powers, but it causes very noticeable fringing before you even get to 40x. The prism itself is miscollimated–looking into the prism, the view of the objective lens is off-center, and that means you’re getting even less light.

Upgrading the Accessories

Upgrading the eyepieces is a low priority, as they should serve you for a while.

The finderscope should be replaced with a red dot finder. Red dot finders have no magnification at all, they just project a red dot through a small lens/window onto the sky and use some optical trickery to make it look like it’s “at infinity.” (There’s no parallax). When upgrading, be sure to find one with a compatible mounting foot. The mount is done with two screw-stalks that stick up out of the optical tube, the finder mount slips over them, then two thumb-nuts are screwed onto the stalks. This is the same finder mounting system used by other telescopes like the FirstScope/FunScope, Orion SkyScanner, and more.

Finding objects can be done at low power with the telescope itself—it is its own finderscope.

Upgrading the tripod is the most urgently needed fix, but decent tripods are pretty expensive. Don’t buy the scope unless you already have a decent tripod. If you already have the scope and want an upgraded tripod, don’t spend more than $100 on one. For around $100-150, there are better telescope options altogether.

The prism diagonal is the next most urgently needed replacement. Keep it around for comparison or for when you want to do terrestrial observing, but it’s just no good for serious astronomy.

For astronomy, you want an economical mirror star diagonal. Don’t go too expensive, you just need a cheap $30 or so 1.25” diagonal to get the job done. The views of the Moon, planets, and double stars will be sharper and more color free, and you’ll be able to use longer-focus eyepieces with wider fields of view, and you’ll be able to use more of the telescope’s aperture. And to top it all off, it’ll just be more comfortable to use.

General Use

After my first half hour using the telescope, I was exhausted trying to work around its awful mount. However, in that time, I was able to observe the Double Cluster in Perseus, the Orion Nebula, and the Andromeda Galaxy, and I was pleased enough by them to not immediately write off the telescope as a failure.

After a rest indoors, I set the telescope up again with my good tripod, the mirror diagonal off my Orion ST80, and a red dot finder, and I went out and had a lot of fun with it. It isn’t a powerful telescope, but I personally enjoy small telescope observing quite a lot. The wide-field views you can get with small short telescopes make up for the small aperture, so you can fit a lot of stars in the eyepiece.

The Orion Nebula showed its bright core easily, though somewhat softly, and hinted at the tenuous outer layers of gas and dust. Three stars in the trapezium were easily resolved, and the fourth wasn’t too difficult at 40x. At low power, the entire Orion’s Sword stellar association is visible and very pretty, with the nebula showing up as a fuzzy blob in the middle.

I was not able to see any details in the Andromeda Galaxy M31–the satellite galaxy M32 was only suspected, and there was no hint of the fainter M110. All I could see was a ghostly pale core of the galaxy, and this was the one object that was especially disappointing in comparison with what other small scopes of mine had shown.

Some of my favorite small scope targets are the open clusters M35, M37, M36, and M38, which follow a line up from Castor-Twin’s Foot in Gemini up to the middle of Auriga the Chariot. M37 and M36 can be seen together in the same field of view with a wide field 32mm Plossl eyepiece (though not together with the stock 20mm), as well as M36 and M38. The appearance of these clusters is a fuzzy blob that can be resolved into a glittery mess, with varying degrees of sparkle and fuzziness. Each of these are groups of young stars just spreading out into the Milky Way, and they are observed best in winter and spring.

I was able to see the Clown Face Nebula, though it required a higher magnification of 67x to resolve it as a planet-shaped nebula instead of a star, I only suspected it was a nebula at 40x.

I was even able to observe M81 and M82, a pair of galaxies in Ursa Major.

I went out one night to compare my Orion ShortTube 80 (optically identical to the Celestron TravelScope 80’ s objective lens) with the TravelScope 70. By my calculation, the difference between the two shouldn’t have been especially noticeable, but it definitely was. The view of Caldwell 64, the Tau Canis Majoris Cluster, was so much dimmer than the view through the ST80 that it required averted vision to suspect there was more than one star, whereas the ST80 showed it with a sparkly halo easily. The ST80 could just barely do the two bright components in the Leo Triplet, while I couldn’t see them at all in the TravelScope 70. The overall character of the images was the same (to be expected when observing at the same magnification), but the TS70 was dimmer than it should have been, which confirms that the effective aperture was stopped down.

If you go in with the correct expectations (objects will be dim and gray) and look for the right objects (look for objects in guides for small telescopes and binoculars, rather than the famously named nebula you’ve seen in pictures), the telescope can work just fine for deep sky viewing from a suburban or darker sky. In a rural sky, it’d be powerful enough to see every one of the Messier objects. I find that it’s much easier to find and appreciate deep sky objects in a small scope after you’ve gotten familiar with deep sky observing in a larger telescope. But there’s no reason you can’t start small if you set your expectations right.

As I write this, there are no planets worth looking at (Mars is a dot in even the largest telescopes), so the only high-resolution tests I could put the telescope through were of double stars and the Moon.

At high power, the focuser is loose enough to reveal a bit of image shift as you rack the focuser in and out. Without shimming the focuser, this means maintaining good collimation will be difficult. Other than that, the focuser isn’t wobbly or loose, and even at high power, I can find best focus pretty easily.  

With the 45-degree prism, the Moon was aesthetically pretty at low powers but a bit of a rainbow mess at 40x and higher. With the mirror diagonal, the moon became much sharper and you could really begin to appreciate its features. I found the 40mm sub-aperture-mask dustcap it comes with wasn’t really needed; it’s plenty sharp enough even at 67x, and there’s no chromatic aberration noticeable until you overpower the scope to about 167x. (Maximum useful power would be around 100-130x) It held its own against a cheap 70mm long-focus achromat and the ShortTube 80.

At one point, while observing, I dropped the telescope about 5 feet onto the floor. There seems to have been no damage. The story might’ve been different on concrete, but I like the scope enough that I don’t want to intentionally drop-test it.

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CELESTRON 21035 Celestron Travel Scope 70mm f/5.7 AZ Refractor Telescope Kit, Black, 70 with Backpack

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• Superior optics: The Celestron 70mm Travel Scope features high quality, fully coated glass optics, a potent 70mm objective lens, a lightweight frame, and a custom backpack to carry it all. Its quality is unmatched in its class and against competitors.
• Powerful eyepieces for up close viewing: Our telescope for astronomy beginners is equipped with two high quality eyepieces (20mm and 10mm) that provide low and high power views of celestial objects at night and terrestrial objects during the day.
• Large 70mm objective lens: Our refractor telescope is equipped with a large 70mm aperture objective lens that provides enhanced, brighter views compared to the 50mm model while adding very little additional weight. Setting up and using the Travel Scope is quick and easy.
• International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

Product details

• Is discontinued by manufacturer ‏ : ‎ No
• Language ‏ : ‎ English
• Product dimensions ‏ : ‎ 45.72 x 17.78 x 35.56 cm; 1.91 kg
• Date First Available ‏ : ‎ 22 March 2018
• Manufacturer ‏ : ‎ Celestron
• ASIN ‏ : ‎ B001TI9Y2M
• Item Model Number ‏ : ‎ 21035
• Department ‏ : ‎ unisex
• 1 in Telescopes (Camera & Photo)

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Travel Scope 70

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The Travel Scope 70 is a refractor telescope perfect for terrestrial and celestial viewing on the go. The Travel Scope can view the planets, moon, star clusters and brighter deep sky objects like the Orion Nebula and Andromeda Galaxy at night and with the erect image star diagonal makes the optical tube ideal for using as a spotting scope during the day.

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Telescope AC 70/400 TravelScope AZ

Product description.

• optical tube with 70 mm aperture and 400 mm focal length
• 45° star diagonal
• aluminium tripod with altazimuth mount
• specially made rucksack for carrying the telescope together with accessories

It not only matters which telescope you buy but also where you buy it. Our additional services:

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Specifications

Included accessories, area of application, recommended for, recommended accessories.

Omegon 1,25'' Amici Prism 90°

Omegon 45°, 1.25'' to 1.25'' Amici prism

Omegon 1.25" 45° erecting prism

Omegon 1.25'', 2X, 3 Element Barlow eyepiece

Omegon 3x Barlow lens, achromatic, 1.25"

Omegon 2x Barlow lense, achromatic, 1.25"

Omegon carry case for 5" tubes/lenses

Omegon aluminium case, large

Omegon Carry case Bumbag for eyepieces

Omegon Transport cases eyepiece case

Omegon Carry case transport bag for accessories

Oklop Carry case for accessories

Omegon Radiant Finder with fastener

Omegon 2'' - 1.25'' Twist-lock adapter

Omegon 1.25'', 15mm Ploessl eyepiece

Omegon 1.25'', 20mm Ploessl eyepiece

Omegon 1.25'', 17mm Ploessl eyepiece

Omegon Ultra Wide Angle eyepiece 9mm 1,25"

Omegon Ultra Wide Angle eyepiece 15mm 1,25"

Omegon Ultra Wide Angle eyepiece 20mm 1,25"

Omegon Suitcase with eyepieces and accessories

Omegon Eyepieces Starter Kit

Omegon eyepiece and accessories case, large

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Omegon Cronus eyepiece with Moon filter

Omegon Eyepiece Cronus WA 4 mm 1,25"

Omegon Eyepiece Cronus WA 6 mm 1,25"

Omegon Super Ploessl zoom shot eyepiece 7-21mm APO 1.25"

Omegon Reticle eyepieces Illuminated crosshair eyepiece, 12.5mm

Omegon Filters Nebula/ city light filter 1.25 ''

Omegon Filters UHC Filter, 1.25“

Omegon Filters OIII filter 1.25''

Omegon Filters 1.25'' deep sky filter

Omegon Filters 1.25'' Clear Sky filter

Omegon Filters Moon filter 1.25"

Omegon Filters Variable grey filter 1.25"

Omegon Filters Color filter set 1,25'' (6 pieces)

Omegon Easypic Universal Smartphone Adapter

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Baader Microstage II

Omegon Tent observatory

John Wiley & Sons Astronomy For Dummies

Dorling Kindersley Stargazing for Beginners

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Explore Scientific Astronomy torch Astro R-Lite

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Omegon Astronomy torch Twin Light with brightness control

Omegon Astronomy torch Astro-Flashlight

Omegon DUNEDRY dehumidifier

Oculum Verlag Sky Quality Map Europe

Baader AstroSolar telescope solar filter ASSF 80mm

Baader Sun filter foil 20 x 29 cm

Baader Sun filter foil AstroSolar® ECO-size OD 5.0 140x155mm

Omegon 7-in-1 lens cleaning set

Omegon cleaning system

Baader Lens Cleaning Pump Spray Optical Wonder 100ml

Omegon microfibre cleaning cloth 20cm x 20cm

Omegon SPUDZ microfaser cleaning cloth

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Celestron 21035 Travel Scope 70 Instruction Manual

• page of 18 Go / 18

Table of Contents

• Introduction
• Setting up the Tripod
• Attaching the Telescope Optical Tube to the Tripod
• Moving the Travel Scope Manually
• Installing the Diagonal & Eyepiece
• Installing the Finderscope - Travel Scope 70 Only
• Aligning the Finderscope
• Calculating Magnification
• Installing & Using the Barlow Lens
• Determining Field of View
• General Observing Hints
• The Celestial Coordinate System
• Motion of the Stars
• Observing the Moon
• Observing the Planets
• Observing the Sun
• Observing Deep-Sky Objects
• Seeing Conditions
• Care and Cleaning of the Optics
• Technical Specifications

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• 1 Setting up the Tripod
• 3 Attaching the Telescope Optical Tube to the Tripod
• 4 Installing the Diagonal & Eyepiece
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Summary of Contents for Celestron 21035 Travel Scope 70

• Page 1 Travel Scope Travel Scope Instruction Manual Instruction Manual Model # 21035 Travel Scope 70 Model # 21035 Travel Scope 70 Model # 21038 Travel Scope 50 Model # 21038 Travel Scope 50...

Page 2: Table Of Contents

Page 3: introduction.

• Page 4 Figure 1-1 Travel Scope 70 (Travel Scope 50 similar) Objective Lens Pan Handle – Altitude Motion Telescope Optical Tube Tripod Finderscope Bracket Central Column Locking Knob Erect Image Diagonal Azimuth Locking Knob Eyepiece Tripod Head Platform Focus Knob...

Page 5: Assembly

Page 6: attaching the telescope optical tube to the tripod, page 7: installing the diagonal & eyepiece, page 8: telescope basics, page 9: determining field of view, page 10: astronomy basics, page 11: motion of the stars, page 12: celestial observing, page 13: observing deep-sky objects.

• Page 14 Figure 5-1 Star hopping will take some getting used to and objects that don’t have stars near them that are visible to the naked eye are challenging. One such object is M57 (Figure 5-2), the famed Ring Nebula. Here's how to find it: Find the constellation of Lyra, a small parallelogram visible in the summer and fall months.

Page 15: Seeing Conditions

Page 16: telescope maintenance, page 17: technical specifications.

• Page 18 Celestron 2835 Columbia Street Torrance, CA 90503 U.S.A. Tel. (310) 328-9560 Fax. (310) 212-5835 Website: www.celestron.com Copyright 2010 Celestron All rights reserved. (Products or instructions may change without notice or obligation.) Item # 21035-INST Printed in China $10.00 01-10 Rev.3 060909...

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Telescopio Travel Scope 70 AZ

$ 5,666.00 Original price was: $5,666.00. $ 4,532.80 Current price is: $4,532.80.

• Telescopio refractor de 70mm con ópticos completamente recubiertos para obtener imágenes claras y nítidas.
• Incluye inversor de imagen, que lo vuelve ideal para observación terrestre y astronómica.
• Montura altazimutal de funcionamiento suave con fácil orientación a objetos ubicados.
• Instalación rápida y sencilla, sin herramientas.
• El telescopio y el trípie se ajustan dentro de la mochila personalizada para facilitar su transportación y almacenamiento.
• Descarga el software BONUS Astronomy con una base de datos de 10.000 objetos, mapas del cielo imprimibles y 75 imágenes mejoradas.

USOS Y APLICACIÓN:

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Este telescopio fue diseñado pensando en viajar y ofrecer un valor excepcional. El Travel Scope está hecho con materiales de la más alta calidad para garantizar la estabilidad y la durabilidad. Todo esto se suma a un telescopio que le brinda una vida de placer con una cantidad mínima de mantenimiento. Con un diseño compacto y portátil con un amplio rendimiento óptico, el Travel Scope es ideal para observación tanto terrestre como astronómica.

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EclipSmart Travel Solar Scope 50 Refractor Telescope

Available Now at these Premier Select Dealers

You can count on Celestron Premier Select Dealers to offer an extensive assortment of Celestron products in stock for immediate delivery.

• 50MM SOLAR TELESCOPE WITH FULLY COATED GLASS OPTICS: This dedicated solar scope delivers sharp, detailed views of eclipses, sunspots, transits, and more. Perfect for eclipses or any day!
• SOLAR TELESCOPE FILTER: The dual-lens, non-removable glass solar filter conforms to ISO 12312-2:2015(E), Filters for Direct Observation of the Sun.
• PERMANENTLY ATTACHED SOLAR SAFE FILTER: Use your solar telescope with peace of mind, knowing the filter will not be knocked off or accidentally removed.
• INTEGRATED SOLAR SAFE FINDERSCOPE: Quickly and easily center the solar disk in the telescope’s eyepiece without looking at or near the Sun.
• STURDY ALT-AZIMUTH MOUNT & FULL-HEIGHT TRIPOD: Pan and tilt just like a photographic tripod so you can make precise adjustments to the telescope’s position.
• ACCESSORIES INCLUDED: You’ll receive a 20mm eyepiece, a hybrid star diagonal, an integrated solar safe finderscope, and travel backpack to carry it all.

OVER 60 YEARS OF INNOVATIVE TECHNOLOGY

In the 1960s, Celestron’s founder, Tom Johnson, created groundbreaking new telescopes never before seen on the consumer market. Today, our world-class team of optical and electronic engineers continues to push the boundaries of technology. From the SkyProdigy, a telescope so smart it can align itself, to our high-performance EdgeHD optical system, we’ve revolutionized the hobby of astronomy for beginners and advanced amateurs alike. Go behind the scenes with Celestron’s product development team and learn more about our award-winning and patented innovations.

At the forefront of a new era in amateur astronomy, the launch of Celestron Origin stands as a beacon, seamlessly intertwining stargazing and astrophotography into a singular, user-friendly experience. This intelligent, all-in-one observatory and astroimaging system emerges as a catalyst, eliminating the complexities traditionally associated with telescopes and, in turn, metamorphosing your backyard into an inviting gateway to the Universe.

Celestron released the patented Rowe-Ackermann Schmidt Astrograph (RASA) 11” optical tube in 2014. Unlike traditional telescopes, the RASA design ingeniously places the imaging sensor at the front of the telescope tube, creating an ultra-fast f/2.2 system with an extraordinarily wide field of view.

Sky recognition technology that has revolutionized the manual telescope by eliminating the confusion common among beginners and enhancing the user experience for even seasoned telescope users.

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ED stands for "extra-low dispersion," which refers to the composition and optical properties of the glass used for the lenses. ED glass is specially formulated and contains rare-earth compounds that greatly reduce a visual defect called chromatic aberration.

This telescope control software replaces the hand control and allows the user to remotely control their Celestron computerized telescope from their personal PC or laptop.

EclipSmart solar products feature Solar Safe filter technology providing the ultimate protection from harmful solar radiation, including both IR and UV light, and filters 99.999% of visible light. Celestron Solar Safe filter technology is GUARANTEED SAFE for direct solar observation and has been independently tested by SAI Global Assurance Services.

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Celestron’s EclipSmart Travel Solar Scope 50 is a dedicated white-light solar telescope for the observer on the go. It’s lightweight, compact, and easy to transport—perfect for viewing the solar photosphere and sunspots. At the heart of this 50mm refractor-style solar scope, you’ll find Celestron’s Solar Safe, full-aperture glass filter material, which ensures safe views of eclipses, transits, sunspots, and any other solar event. The EclipSmart telescope features a dual-lens, non-removable glass solar filter that conforms to the ISO 12312-2:2015(E) standard. The EclipSmart Travel Solar Scope 50 offers much higher magnifications for viewing sunspots or planetary transits than you would get using solar eclipse glasses or binoculars.

The telescope comes complete with everything you need and makes it easy to share the Sun as well as partial and total solar eclipses with the whole family.

Solar Safe Technology

EclipSmart solar products feature Solar Safe filter technology—the ultimate protection from harmful solar radiation, including IR and UV light, plus 99.999% of visible light. Celestron Solar Safe filter technology is safe for direct observation of the Sun.

Solar Safe products conform to and meet the transmission requirements of ISO 12312-2:2015(E) , Filters for Direct Observation of the Sun, EN 1836:2005 + A1:2007 (E) for an E15 Filter for the Direct Observation of the Sun and AS/NZS 1338.1:2012, Filters for Eye Protectors.

Important safety note:  inspect your filter before every use. Do not use and discard if damaged, scratched, or separated from the frame in any way.

Manual Alt-Azimuth telescope

Navigate the sky with a pan handle Alt-Az control with clutch for smooth and accurate pointing. Move the clutch in an up/down, left/right fashion to track the Sun in the eyepiece as it appears to drift across the daytime sky.

Accessories Included

The EclipSmart Travel Solar Scope 50 comes with one eyepiece (20mm), a hybrid star diagonal for a more comfortable viewing angle, a permanently attached solar finderscope, and a travel backpack.

Solar Finderscope – The EclipSmart telescope comes with a safe solar finderscope that allows you to align your telescope without looking directly at the Sun. The finderscope comes pre-installed and ready for use. Simply center the projection arm’s shadow on the bull’s eye, and the Sun will be positioned within the field of view of your telescope’s eyepiece.

Travel Backpack – A custom backpack comes with your telescope so you can store your optical tube, tripod, eyepieces, and accessories. Traveling with your EclipSmart scope is a breeze; all the components fit comfortably inside the backpack.

Upcoming Eclipses

2023 - On October 14, 2023, the famed “Ring of Fire” will encircle a darkened Moon during a spectacular annular eclipse.  This phenomenon occurs when the Moon is too far from Earth to cover the Sun completely. The Sun's corona is not visible during an annular eclipse. Click here for more info.

2024 - On April 8, 2024, the Moon will completely cover the Sun during an awe-inspiring Total Solar Eclipse. Observers within the path of totality will witness the sun’s dazzling corona, the “diamond ring” effect, and day turn to night. Click here for more info .

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