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Sky Watcher

Sky Watcher Sky-Watcher EvoStar 80 APO Doublet Refractor – Compact and Portable Optical Tube for Affordable Astrophotography and Visual Astronomy (S11100)

    • Based on 121 reviews
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Availability: Only 3 left in stock, order soon!
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Arrives Monday, Dec 30
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Style: ProED 80 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 80 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 80mm EvoStar also includes a right- angle 8x50mm viewfinder with bracket; 2” dielectric diagonal; two 1.25” LE (Long Eye relief) eyepieces (LET 25mm 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.

Brand: Sky Watcher


Eye Piece Lens Description: GLASS


Objective Lens Diameter: 80 Millimeters


Product Dimensions: 41"D x 12"W x 15"H


Focus Type: Manual Focus


Finderscope: Reflex


Item Weight: 7.3 Pounds


Lens Coating Description: Ultra-High Transmission Coated


Manufacturer: Sky-Watcher


Product Dimensions: 41 x 12 x 15 inches


Item Weight: 7.3 pounds


Item model number: S11100


Is Discontinued By Manufacturer: No


Date First Available: June 22, 2010


Manufacturer: Sky-Watcher


Country of Origin: China


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Dec 30

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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Similar Products

Top Amazon Reviews

    • Sweet
Style: ProEd 100 APO
I originally got the 80, but the 100 went on sale in time for me to swap them out. Very sweet views. Sort of okay on DSO's but I haven't spent a lot of time on them. Mainly planetary and Moon viewing and it is crisp and color is quite nice. The focuser does not slip, as others have noted, however, mine is..chunky with the large knob. Sort of 'clicks' instead of smoothly rolling. Not a huge deal since the fine tuner works great. I have it on the smaller Go-To mount, which according to the specs can handle this scope, but it's so long that it does jiggle. I combat that with a sandbag in the tray and some damper pads under the feet and I'm happy with the results. Really nice scope, but it is up there in the price range, so it should be. Update after couple months: Absolutely stunning. Performs well around the board but especially planets and stars. Crisp views. ... show more
Reviewed in the United States on February 21, 2024 by Dy
    • It's a great looking scope with great optics
Style: ProEd 100 APO
Review Image by Jon Jon
Review Image by Jon Jon
Review Image by Jon Jon
Review Image by Jon Jon
It's a great looking scope with great optics. Understand that now they are renamed EVOSTAR which is written on the side and comes with a green dovetail mounting plate. Optics are good. Well worth it for a 100mm apo on a budget. The case is just a case. Eyepieces are of regular eyepiece quality. The 5mm is a nice planetary EP if you don't own many eyepieces. Downfalls really only include that with the case, where the foam inserts are, you have to move your rings so that it will fit, rather than keeping them where you know you're balancing point is, makes setting up a few minutes longer. Edit. This is an amazing telescope. Seriously. The views are superb. Had it for almost two months now. Greatest under a 1000 dollars. The case isn't that bad. The eyepieces are actually quite good. You'll want better though. This scope deserves it. The planets are awesome through this scope. Wide field 2" eyepieces have stars looking pinpoint. Love it My second edit Since purchasing the 100ED, I went ahead and purchased the 120ED. This scope is amazing. Slightly more light gathering brings in slightly more planetary detail, slightly more stars, does amazing with doubles. By far my favorite scope I’ve purchased behind a 10” dob. Mounting is easy as it doesn’t take much more than what you needed for the 100ED. If you can afford the 120ED, I’d take it over the 100ED any day. ... show more
Reviewed in the United States on May 1, 2018 by Jon Jon
    • 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!!!!
Style: ProEd 100 APO
This is an excellent budget APO scope for visual and astrophotography. The orion .8 reducer gives a completely flat field across an APS-C sensor, The focuser is better than online forums will lead you to believe. Just follow a tutorial on how to adjust it correctly, and don't over tighten the screws. I bought this scope slightly used ( probably a customer return) and someone had sheared the finder screw off and jacked up the focuser. After about 30 minutes of easy work I had a flawless spankin new scope for $550. Thanks Warehouse deals!!!. Some say the the ed80 or the skywatcher ProED 80 is the way to go. I won't disagree that you will get images a little faster. However, if your wanting to look at planets and brighter dso visually as well this scope is the one to get. AT F9 It is a true APO.. The 80mm at F7.5 will show a smidge of false color here and there. I think 900mm focal length is a good spot for DSO imaging. You can put the reducer on and Your shooting widefield or leave it off and enjoy a nice flat field and get some more resolution out of your target. This scope is easy to balance and is not objective heavy. I removed the long vixen dovetail and put on a shorter one that allowed piggybacking my ST80 on top as a guide scope. This works extremely well with an AVX mount (once you've tuned it and learned to autoguide). Bottom line.... Your not going to find an APO in this price range that can image this good and put up views of the planets this good. There is no other contenders in this price range. First rate optics in a 4" doublet!!!! ... show more
Reviewed in the United States on April 26, 2017 by Jason Burns

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