The new top of the range Fieldmaster-ED82DS is perfect for the most discerning birdwatcher and nature observer. This high-end instrument features a triplet objective lens which provides a highly corrected image and exceptional optical performance, even to the edge of the field. Two Exotic ED (Extra-low dispersion) lens elements are employed in its construction, which virtually eliminate chromatic aberrations, and deliver high-fidelity true-colour images. Features high quality BaK-4 Prisms. Optics are fully broadband multi-coated throughout for maximum light transmission and contrast. Features a precision 4:1 ratio dual-speed focuser for exceptional focusing accuracy. The stylish spotting scope body is constructed from robust but lightweight magnesium alloy, with a sliding dewshield/sun shade. Fully waterproof and nitrogen-filled for clear, fog-free viewing. The supplied 7.5-22.5mm zoom eyepiece, constructed from 8 lens elements, provides a generous 19.5-18mm of eye relief and is suitable for use with or without spectacles. Supplied with Stay-on case. Standard tripod bush. Dimensions 390x99x126mm. Weight 1885g.
The Helios Fieldmaster-ED82DS is covered by a 5-Year Limited Warranty.
|Magnification||20x to 60x|
|Object Lens Diameter||82mm|
|Field of view||2.1 to 1.05 degrees|
|Actual Field of View||39m to 20m @ 1000m|
|Nearest Focus Distance||13m|