Helios Fieldmaster A90R 20981 newly calculated lens system -

newly calculated lens system - designed for an unvignetted field down to f3

L-eNhance Spectrum and Specification

But if you think about the comfort

Suitable for color CMOS and CCD cameras and modified DSLRs

enabling you to capture objects in the best part of the night sky

Helios Fieldmaster A90R 20981 newly calculated lens system -Helios Fieldmaster A90R Spotting Scope 90mm 25x 75x Zoom The exciting Fieldmaster A90R offers large aperture & high magnification performance at a remarkable price. The spotting scope is clad in stylish black rubber armouring to protect against knocks and is waterproof and nitrogen filled for fog free viewing. Lightweight polycarbonate body. Features a TRIPLET objective lens, BaK 4 Prisms, fully multi coated optics and an extendable dew shield sun