The Astro-Tech Titan Type II ED 2” 35mm eyepiece has a wide 68° field of view, with tack-sharp images from one edge of the high contrast field to the other. It provides superb wide field views with any telescope type, and works particularly well for low power viewing with the f/6 to f/7 focal ratio small aperture refractors on altazimuth mounts that are so popular for grab-and-go observing.
Its 35mm focal length gives you a wide 5mm to 6mm exit pupil with this type of refractor, for very bright images of open clusters and large and faint deep space nebulas and nebula remnants. With the 560mm focal length of the 80mm f/7 Astro-Tech AT80ED refractor, for example, it provides a stunning 4.25° field of view at 16x, with a bright 5mm exit pupil, ideal for scanning the star clouds of Sagittarius.
The 35mm Titan Type II ED’s six-lens wide field ED optical design has the high contrast and bright images that make faint nebular wisps pop out against a very dark sky background, as well as showing you myriad subtle levels of contrast in bright nebulas. Pinpoint stars across the entire field make open clusters look like a handful of diamonds scattered across a black velvet cloth.
This stunning wide field views you will see in this 4-3/8” long 12 ounce 35mm Astro-Tech Titan Type II ED eyepiece will take your deep space grab-and-go observing to an entirely new level, at a price/performance ratio no other top-quality eyepiece can touch.
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