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Home Eyepieces Zoom & Guiding Eyepieces Helios HyperFlex 9 - 27mm Zoom Eyepiece
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 inch filters.
good product. Had to send first one back,faulty,the response from everyone concerned was first class. The fault should have been picked up at factory (Q.C.) not out in the field. Replacement arrived next working day and faulty one returned,both at no extra cost to myself. Still a good product for the price. (09/02/2018) Mick Cochrane - Carlisle
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01356 660401
