high-performance zoom eyepiece of top quality construction, providing
a flat field of view and crisp, clear distortion-free images. Features
a continuous focal length of 9mm to 27mm and a corresponding apparent
field of view of 60°-40°. For convenience, reference focal length
positions are engraved on the eyepiece barrel. The zoom is
super-smooth to operate and a pleasure to use. Eye relief 18mm.
with 7 lens elements in 4 separate groups. This exotic eyepiece model
features a generous sized eye-lens element and soft twist-up rubber
eyecup for comfortable viewing. Fully broadband multi-coated, features
blackened lens edges, internal baffling and is parfocal. Beautifully
finished in high-gloss anodized aluminium with knurled rubber grips.
Threaded to accept standard 1.25” filters.