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Sky Watcher

Sky-Watcher EvoStar 100 APO Doublet Refractor – Compact and Portable Optical Tube for Affordable Astrophotography and Visual Astronomy

    • Based on 115 reviews
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Availability: 12 left in stock
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Style: ProEd 100 APO


Features

  • EXPERTLY MATCHED GLASS: The EvoStar series features a matched doublet objective including one synthetic fluorite element, providing excellent color correction for visual and photographic uses
  • OUTSTANDING COLOR CORRECTION: Using the finest quality glass and proprietary Metallic High-Transmission Coatings (MHTC), EvoStar refractors produce tack sharp images with accurate color and minimal aberrations
  • EVOLVES WITH SKILL: No need to replace this telescope as your skill set evolves. Whether youre a seasoned astrophotographer or a budding novice, EvoStar refractors are versatile enough to use as your primary optical tube as your skill-set improves
  • 10:1 DUAL-SPEED FOCUSER: No matter the eyepiece or camera, finding focus is a breeze with this 10:1 dual-speed Crayford-style focuser
  • EVERYTHING YOU NEED: The EvoStar 100 comes complete with a foam-lined aluminum hard case, 8x50 Right Angle Correct Image (RACI) Finderscope, 2 Dielectric Diagonal, 5mm and 25mm LET Eyepiece, 1.25 Adapter, Mounting Rings and a V-Style Dovetail

Description

For astronomers looking to elevate their viewing experience with superior extra-low dispersion glass, look no further than Sky-Watcher’s EvoStar series of apochromatic doublets. The EvoStar ED refractor lens assembly utilizes a proprietary combination of matched lenses, designed to deliver optimum visual and photographic performance. Even when observing bright planetary objects, the EvoStar ED refractor minimizes color fringing to deliver an image with tack-sharp stars. Central to Sky-Watcher’s color correction is their Metallic High-Transmission Coatings (MHTC ), which eliminates virtually all false color. All EvoStar ED refractor optical tubes have been light-baffled to minimize stray light, and the tube interior features a matte black finish to prevent light reflections from reaching the focal plane.For the visual astronomer looking to try their hand at astrophotography, the Sky-Watcher EvoStar ED refractor series provides the perfect pathway to professional-level imaging without the need for braking the bank. Additionally, fewer lens elements means less glass, which means less weight. Less weight means you can handle your equipment with a less beefy – thus less expensive – mount. With these savings you can invest in a new camera or laptop to enhance your astrophotography.Sky-Watcher EvoStar includes rings and a dovetail, giving you the perfect setup that’s ready to go at a moment’s notice. The 2 dual-speed Crayford-style focuser provides precise focusing using roller bearings that provide minimal image shift. This 100mm EvoStar also includes a right-angle 8x50mm viewfinder with bracket; 2 dielectric diagonal; two 1.25 LE (Long Eye relief) eyepieces (LET25mm and LET5mm); 1.25 focuser adaptor; and tube ring attachment hardware that works with compatible mounts. Our optical tubes are shipped with a foam-lined aluminum case to help transport your investment to and from star parties or any other field-based observation.

Product Dimensions: 41 x 12 x 15 inches


Item Weight: 8.4 pounds


Item model number: S11120


Is Discontinued By Manufacturer: No


Date First Available: June 22, 2010


Manufacturer: Sky-Watcher


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Dec 1

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Seems like a solid choice
Style: ProEd 100 APO
Review Image by Christopher K. Christopher K.
Review Image by Christopher K. Christopher K.
Review Image by Christopher K. Christopher K.
Review Image by Christopher K. Christopher K.
Review Image by Christopher K. Christopher K.
Review Image by Christopher K. Christopher K.
Review Image by Christopher K. Christopher K.
Review Image by Christopher K. Christopher K.
Review Image by Christopher K. Christopher K.
Review Image by Christopher K. Christopher K.
Here are a few photos I have taken with my Skywatcher evo-star 100. I haven't learned all the post processing, calibration frames, stacking methods, etc. but I did what I could at the moment. I wanted a good step-up telescope from my previous Solo mark 130eq. This seems like a good choice for me to learn on. It's a little big compared to some. You're going to want a good sturdy, expensive mount to go with it. Like other have said, the case it comes in is pretty flimsy, but is alright as long as you aren't doing a lot of traveling. The focuser seems to be on the cheaper side Aswell. It can seem to slip sometimes with a camera attached. The finder scope that comes with it is not really cheap, and it also is not expensive either. Good for visual, but not if your plan on using a guide scope. The image is a lot clearer, and crisp from other cheap telescopes out there. Overall, this scope is very good scope. ... show more
Reviewed in the United States on October 1, 2023 by Christopher K. Christopher K.
    • UPDATE Solid first scope. Arrived with a paint chip on tube. Case is garbage and shoudn't be trusted
Style: ProEd 100 APO
Review Image by Jonathan Jonathan
Review Image by Jonathan Jonathan
Review Image by Jonathan Jonathan
Review Image by Jonathan Jonathan
Review Image by Jonathan Jonathan
Seems to be a great starter scope. I got the 100 due to the price vs the 80. It's not huge but not small either. Solid, but not lightweight. Overall it's a solid performer. The case is absolute junk. Not sure why they even include one since you're going to have to buy something else. As arrived the panels are separating the moment you lift it by the handle. Good for storage at home I guess, but don't trust it to use in the field. Not happy at all since now I'm going to have to spend another couple hundred to keep my investment safe. Will update more as I get familiar with it *UPDATE* after a couple days getting familiar I thought I'd add some updates. As can be seen with the test lunar pics taken to try the unit, it is clean clear and sharp. As I get more practice the potential for this scope will increase. Now the cons. The 100 is not a travel scope. The case is flimsy garbage that will fall apart if used as a field case. Why bother including if you can't rely on it. MAJOR problem. The hinge pins on the tube rings BEND AND FALL OUT. Once when the scope was being mounted on the tripod. Not sure how to resolve that problem but between the case and these pins, out of the box there are potential problems that could damage or destroy your investment. Mine arrived with a paint chip. Purely trivial, but annoying on something brand new. All said, I'm really enjoying it. I can't think of a better entry level astrophotography telescope. Solid, quality imaging, smooth focus, and includes everything to start using it for stargazing. One final comment. GET A SOLID TRIPOD. And don't go cheap. I have a heavy duty video tripod and it can even struggle ... show more
Reviewed in the United States on November 30, 2022 by Jonathan Jonathan
    • Great Optics for Imaging
Style: ProED 80 APO
Review Image by Robert Rucker Robert Rucker
Review Image by Robert Rucker Robert Rucker
Review Image by Robert Rucker Robert Rucker
I decided to purchase the Evostar 80ED since this aperture is ideal for many astrophotography targets. I'm still fine tuning my backspacing but initial imaging results have impressed me. The optics on this scope are outstanding and the accessories for visual astronomy are very nice quality. My only negative observation concerns the focuser. The stock focuser seems to be well short of the quality found with the scope itself and the visual accessories. I had to make a number of adjustments to keep the focuser from sliding out of adjustment after mounting the camera and filter wheel. The Crayford focuser is finicky when used with imaging gear and I much prefer the rack and pinion design of my Williams Optics Zenithstar 61. I suspect anyone purchasing this scope for just visual work will not have any issues. In summary, top notch optics but I will probably look into upgrading the focuser since it is marginal for astrophotography. ... show more
Reviewed in the United States on September 14, 2022 by Robert Rucker Robert Rucker
    • Great quality scope
Style: ProEd 100 APO
I had been eyeing this scope for a while, but already had a scope that worked just fine, until I dropped it and broke it. I immediately ordered this scope as an upgrade to my broken one. Just about every review I saw of the best refractor telescopes to get included this one. I would have liked to get the 120mm, but it's $2000. More than I can justify for a telescope. When I got it and took it out of the box I was immediately impressed. Much better build quality than my old $300 telescope. I comes in a hard aluminum case with form inserts for the telescope the two lenses 20mm and 5mm and the diagonal which can handle 2" or 1.5" eyepieces and the spotting scope. I had to buy a tripod as this scope doesn't come with one. looking through this scope images are much brighter than with my other scope. There is also no color fringing on the edges of planets which was a problem with my old scope. The images are crisp and clear. I haven't had it for long, but so far I have looked at the Moon, Jupiter and Saturn and Venus. My old scope was a 102mm so the same size this one, but this scope has a longer focal length of 900mm so I get more magnification from my eyepieces. If I have to find a weak spot on this scope, it might be the eyepieces. I think they are good eyepieces, but you could probably get better (which I will). Overall I am very happy with this scope and would recommend it to anyone looking for a good quality telescope. ... show more
Reviewed in the United States on December 14, 2021 by B. Menke
    • Great scope for the money, but need to invest in a nice mount as well!
Style: ProEd 100 APO
Review Image by Ross L. Ross L.
Review Image by Ross L. Ross L.
I chose this scope after weeks and weeks of going back and forth trying to decide between an APO refractor or cheaper reflector. All and all, I am happy with my purchase but have a couple suggestions for any newbies like me considering this (or any other "first" telescope). First, go on to stellarium website and punch in the specs for the scope and then use the program to show you what different objects (planets, stars, nebluae, etc) will look like with your scope and eyepieces. I was a bit let down that this scope couldn't really resolve the rings of Saturn (because of its small aperture) and would have realized this if I had looked on stellarium first. Second, the focuser on here will probably need to be upgraded if you are doing a lot of photography. The focuser slides a lot with a DSLR attached, so have to use the focus lock a lot. Finally, like all the magazines say, you should be spending just as much (if not more) money on your tripod and mount. I started with this scope on a cheap 100$ alt/az mount and was discouraged by the difficulty in adjusting the scope as it was really too heavy for the mount. I switched to a HEQ5 and am now really happy with the setup. The Orion nebula picture is taken from my back porch which is in an area with lots of clouds and light. ... show more
Reviewed in the United States on January 6, 2021 by Ross L. Ross L.

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