Waterproof (Nitrogen-Purged) 20 mm of focal length High-quality UWA eyepiece Enhanced Multilayer Deposition Coatings High contrast, high resolution image
For Geoma Series Scopes 14x with 52mm Geoma Scopes 20x with 67mm Geoma Scopes 27x with 82mm Geoma Scopes 53° Apparent Field of View Dimensions: 33 x 42mm (WxH) Weight: 50 gr Eye relief: 19 mm
For Spotting Scopes Waterproof, Fogproof Fully Multi-coated 16-48x w/ 67mm Scope 20-60x w/ 82mm Scope Eye relief: 19 mm Water & fogproof Dimensions: 44 x 101 mm Weight: 173 gr
70° apparent field of view five elements, in three or four groups blackened lens edges and an effective baffle system for high-contrast images full wide-band multi-coating parfocal within the series steplessly adjustable eyecups
Optical quality - exceptional sharpness eyecup can be screwed out - even suitable for spectacle wearers Focal length 21.5 mm to 7.2 mm - step-less magnification Contrast Power - stray light baffles field of view of 40° to 53° multi-coating on all air/glass surfaces 15mm of eye relief 1.25 inch barrel diameter
Wide 82° apparent field of view Broad image with minimal optical distortion Ideal for detailed observation True color transmission across the entire field of view
Two elements out of the 6 optical elements are made of ED (Extra-low Dispersion) glass elements to provide excellent sharpness edge-to-edge, low level of chromatic aberration and very well managed astigmatism, making this eyepiece a real competitor to much more expensive eyepieces.
FOV of 82 Degrees Features a built-in, soft rubber eyecup which extends by rotating an external collar The comfortable eye relief on all models and suitable for spectacle wearers All models are fully broadband multi-coated for high contrast and maximum light transmission
1.25" 10 mm focal length wide 70 degree apparent field of view 5 lens elements Fully multi-coated lenses and blackened lens edges for sharp, high contrast views 10 mm eye relief respectively, and fold down rubber eyeguard for comfortable and adjustable viewing Threaded for standard 1.25" astronomy filters Lightweight for easy telescope balancing
It can be used not only for visual observations, but also for variable projection photography through a telescope. Perfect for use with compact Digital or SLR cameras.