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1. Sky Watcher #ad
Sky-Watcher EvoStar 100 APO Doublet Refractor – Compact and Portable Optical Tube for Affordable Astrophotography and Visual Astronomy #adSky Watcher #ad
- Whether you’re a seasoned astrophotographer or a budding novice, EvoStar refractors are versatile enough to use as your primary optical tube as your skill-set improves. Evolves with skill: no need to replace this telescope as your skill set evolves.
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. 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.
Everything you need: the evostar 100 comes complete with a foam-lined aluminum hard case, 1.
25” adapter, 8x50 right angle correct image raci finderscope, 2” Dielectric Diagonal, 5mm and 25mm LET Eyepiece, Mounting Rings and a V-Style Dovetail. 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.
|Brand||Sky Watcher #ad|
|Warranty||2 Year telescope warranty|
2. Orion #ad
Orion 9895 ED80 80mm f/7.5 Apochromatic Refractor Telescope #adOrion #ad
- Features a smooth-adjusting 2" aluminum crayford focuser that accepts 2" or 1. 25" astronomy accessories for a wide variety of applications.
Limiting stellar magnitude:12. 2. 80mm refractor objective doublet includes one element of high-quality FPL-53 ED or extra-low dispersion glass, which virtually eliminates false color. A no-nonsense f/7.
5 apochromatic refractor telescope offered at an unprecedented low price. Transmits spectacular views of deep-sky delicacies as well as closer solar system targets for visual enjoyment or astrophotography pursuits. Optical tube assembly only, does not include telescope mount or tripod - which can be purchased separately.
3. Orion #ad
Orion 9534 ED80T CF Triplet Apochromatic Refractor Telescope #adOrion #ad
- Versatile triplet apochromatic refractor telescope featuring ED extra-low dispersion glass for exceptional resolution devoid of aberrations.
Fast f/6 focal ratio and 80mm aperture refractor excels in both visual and astrophotography applications. Wonderful telescope for astrophotography thanks to its small size and weight coupled with great wide-field apochromatic optics.
Includes robust dual-speed 11:1 2" crayford focuser, dovetail finder scope base, 2"-to-1. 25" stepdown adapter, Starry Night astronomy software and foam-lined hard carry case. Lightweight yet strong carbon fiber tube optical tube assembly construction makes this a great telescope to look at and through.
4. Orion #ad
Orion 10031 EON 110mm ED f/6.0 Apochromatic Refractor Telescope Black #adOrion #ad
- Precise 2. 7 inch dual-speed 11:1 hybrid-drive focuser supports hefty imaging gear trains weighing up to 17 lbs. Weighs 11. 5 lbs. Beautifully crafted refractor with a 110mm 4. 3 inch air-spaced doublet lens made with FPL-51 ED glass.
Fairly fast, f/6. 0 refractor with outstanding color correction for great wide-field astrophotographic or visual use. With included tube-rings attached. Three optimally positioned knife-edge baffles inside the optical tube eliminate off-axis reflections and glare to ensure excellent contrast. Without slippage.
|Manufacturer||Optronic Technologies, Inc #ad|
5. Orion #ad
Orion 10087 EON 115mm ED Triplet Apochromatic Refractor Optical Tube Assembly White #adOrion #ad
- Rock-solid, rotatable 3 inch dual-speed 11:1 Crayford focuser provides precise focus control and stable support of imaging accessories. Includes two split-clamp tube rings, thread-on metal objective cap, narrow dovetail bar, and a hard case with a custom die-cut foam insert for protection during transport and storage.
Fully multi-coated, three-lens ED optics and versatile f/7.
0 focal ratio yields high-contrast images with excellent color correction and sharpness. Optical tube can be stably supported by medium-size equatorial mounts. Relatively lightweight 15. 2 lb. A beautifully constructed, 115mm 4. 5 inch aperture triplet ED apochromatic ideal for both astrophotography and serious visual observations.
|Manufacturer||Optronic Technologies, Inc #ad|
6. XIEZI #ad
XIEZI Xiezi Portable Travel Telescope 80Ed Eq3D Monocular Telescope Synscan Black Diamond Ed Apochromatic Refractor Tube 2" Dual Speed Focuser Includes Tripod #adXIEZI #ad
- The tube interior is flat blackened to help prevent unfocused internal light reflections from reaching the focal plane. This focuser offers fine and ultra-fine focusing adjustments. Professional customer service If you have any issue about our item, please contact us and we will help you.
Tube materials：the optical tube material is rolled steel, powder-coated reflective gloss black with gold fleck accent. The draw tube is likewise baffled to insure optimum contrast.
Precision 2” dual speed crayford focuser as standard：optical focus is achieved by means of a mechanically ultra-smooth, backlash-free, precision 2” Dual Speed Crayford Focuser-assembly. Light-baffled optical systems：the objective lens cell is light-baffled to reject stray, unfocused light.
The front and back cells are cast-aluminum painted white, or black. Metallic high-transmission lens coatings ：each air-to-glass lens surface has exotic anti-reflection metallic coatings applied to ensure optimum light through-put of approaching 99. 5%. The proprietary sky-watcher “metallic High-Transmission Coatings” MHC are the finest photon anti-rejection coatings in their class.
7. Vixen #ad
Vixen SD81S 81mm f/8 ED Apochromatic Refractor Telescope OTA Only #adVixen #ad
- Aperture: 81mm. Length: 625mm. Optical design: SD Apochromatic Refractor. Sd81s 81mm f/8 ed apochromatic refractor telescope ota only - mounting tube rings - Diagonal Flip Mirror - Dovetail Mounting Plate - Carry Handle - XY Dot Finder - Vixen 5 Year Limited Warranty. Focal ratio: f/7. 7.