Tecnosky zoom 9-27mm 1.25"
2 Item Items
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A 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.
Constructed 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.
|Type of build||Zoom eyepiece|
|Focal length (mm)||9|
|Apparent field of view (°)||60|
|Eye relief (mm)||18|
|Coating of optical system||multiple|
|Number of lenses||7|
|Number of groups||4|
|Connection (to the telescope)||1,25"|
|Adjustable eyepiece cup||yes|
|inert gas charge||no|