Astro-Tech 26mm Titan 2 inch 70 degree field super wide angle Eyepiece Astro-Tech ATT26 Telescopes, Binoculars, Spotting Scopes, Microscopes, Riflescopes, Astronomical Accessories,Refractor,Reflector,Monoculars,Night Vision,Cassegrain,GPS,Optical Tubes,Digital Camera,Eyepiece,Filters,Barlow,Lenses,Diagonals,Prisms,Tripods,Mounts,Finder Scopes,BinoViewers,Optics,Astronomy,Astrophotography,Laser Range Finders,Rangefinders, New
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ASTRO-TECH 26MM TITAN 2" 70 DEGREE FIELD SUPER WIDE ANGLE EYEPIECE ATT26

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Astro-Tech: Astro-Tech 26mm Titan 2 inch 70 degree field super wide angle Eyepiece Astro-Tech ATT26 Telescopes, Binoculars, Spotting Scopes, Microscopes, Riflescopes, Astronomical Accessories,Refractor,Reflector,Monoculars,Night Vision,Cassegrain,GPS,Optical Tubes,Digital Camera,Eyepiece,Filters,Barlow,Lenses,Diagonals,Prisms,Tripods,Mounts,Finder Scopes,BinoViewers,Optics,Astronomy,Astrophotography,Laser Range Finders,Rangefinders
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Astro-Tech 26mm Titan 2

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Buy Astro-Tech 26mm Titan 2 inch 70 degree field super wide angle Eyepiece Astro-Tech ATT26 Telescopes, Binoculars, Spotting Scopes, Microscopes, Riflescopes, Astronomical Accessories,Refractor,Reflector,Monoculars,Night Vision,Cassegrain,GPS,Optical Tubes,Digital Camera,Eyepiece,Filters,Barlow,Lenses,Diagonals,Prisms,Tripods,Mounts,Finder Scopes,BinoViewers,Optics,Astronomy,Astrophotography,Laser Range Finders,Rangefinders Now!
 

Astro-tech Titan 2" SWA 70 degree Eyepiece 26mm ATT26

Item No. 758-20165
Manuf. No. Astro-Tech ATT26

Astro-Tech 26mm Titan 2" 70 degree field super wide angle Eyepiece, ATT26

This Astro-Tech 26mm Titan is medium power super wide angle 2" eyepiece with a very wide 70 degree field at a very economical price. It provides ępicture window onto space" images with any telescope type. If you have a 2" star diagonal or focuser, it will nearly double the area of the field of view visible through the 25mm or 26mm eyepiece that comes standard with most new telescopes. The calculator below will let you see just how wide the field will be with your particular scope.

For example, with an 8" f/10 catadioptric it will give you a wide 0.91 degree actual field (0.65 square degrees in area) at 76.9x. This compares with the 0.65 degree actual field (0.33 square degrees in area) that you get at the same power with the typical 26mm Plęssl supplied with most such scopes. The 26mm Astro-Tech Titan is a clear upgrade from the so-so eyepieces provided with most new catadioptrics.

With Dobsonians and short focal length refractors, the 26mm Titan is a superb low power eyepiece. With a 1143mm focal length 10" f/4.5 Dobsonian, for example, it provides 44x, a bright 5.8mm exit pupil, and a wide 1.6 degree field of view thatęs over three times as wide as the Moon. It takes an object nearly six and a half minutes to cross that field of view, giving multiple observers plenty of time to take a look before you have to manually re-aim the scope. The 26mm Titan is a great eyepiece for family observing and star parties with a Dobsonian.

With a small refractor like the 80mm f/6.8 Astro-Tech AT-80ED, the 26mm Titan provides a huge 3.3 degree field at 21.2x. That makes it ideal for very wide field views of galaxy clusters, the larger nebulas, open clusters, and more.

Its 13mm eye relief is quite reasonable for this focal length, although it can somewhat limit the field for eyeglass wearers. Since the Astro-Tech Titan field is substantially wider to begin with than most other eyepieces in this price range, most eyeglass wearers wonęt find the minor vignetting to be a drawback. Those who donęt wear glasses will see a huge field at only a fraction the cost of a more exotic super wide angle eyepiece.

Specifications

  • Field of view 70 degree
  • Eye Relief 13mm
  • Focal Length 26mm
  • Number of optical elements 5
  • Barrel Size 2"
  • Weight 9.6 oz.
  • Warranty 2 years


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