Remarkably small and lightweight, the TSN-55 PROMINAR Spotting Scope from Kowa offers the same sharp, aberration-free viewing experience as its larger siblings in a highly compact package. The 10" scope comes with Kowa's TE-11WZ II eyepiece built into the body, with a magnification range of 17-40x, and its pure fluorite crystal objective lens all but eliminates fringing for color accuracy and clarity. Dual fast/fine focus makes it easy to dial in the details of your subject. Designed and manufactured in Japan, the scope is fully sealed and nitrogen-purged to prevent internal fogging from abrupt temperature changes. It comes with a twist sunshade, a 58mm filter thread, and an eyepiece thread for attachments including digiscoping adapters.

Optical Performance

• 55mm aperture
• Ultra low dispersion PROMINAR fluorite glass elements eliminate chromatic aberration, which causes halos, astigmatism, and fringing, for improved color rendition and contrast
• Built-in 17-40x TE-11WZ II PROMINAR wide-angle zoom eyepiece with two extra-low dispersion lenses for a sharp image and a generous field of view

Use and Handling

• Integrated aiming sight
• Smooth and precise fine and coarse two-speed focusing mechanism
• 58mm objective lens filter threads
• 1/4"-20 mount to accommodate most photo, video, and field tripods

Construction Details

• Lightweight and impact-resistant chassis
• Nitrogen filled, waterproof, and resistant to internal fogging when moving through extreme temperature changes and conditions
• Oil-resistant KR exterior lens coatings make it easy to clean dirt, sap, and oil without leaving smudges or residue
• Retractable sunshade reduces glare and lens flare, keeps snow and rain off the objective for clearer viewing

Specifications

• Objective Lens Diameter 55 mm.
• Lens Material Fluorite Crystal
• Field of View (ft./1000yds) 192 ft. - 105 ft.
• Minimum Focus 9.2'
• Magnification 17-40x
• Length 10 in.
• Weight 34 oz.
• Filter Size 58 mm.