Kowa TSN-55A PROMINAR 17–40xW zoom spotting scope

KOWA TSN-55A PROMINAR 17–40xW zoom spotting scope

The KOWA TSN-55A PROMINAR is a nature spotting scope fitted with an angled eyepiece, whose 55 mm objective lens contains pure Prominar fluorite crystal. It is ideal for birdwatching, hunting and observing landscapes, and measures just 255 mm in length and weighs 965 grams. See also our other telescopes in our range.

A fluorite crystal and a wide-angle view

Kowa’s Prominar fluorite element eliminates colour aberrations and produces a sharp, vivid and true-to-life image. The TE-11WZ II wide-angle zoom eyepiece, integrated into the body, offers 17–40x magnification, and the field of view is up to 52 % wider than that of its predecessor, the TSN-550.

Weather-resistant construction for off-road use

The telescope is completely sealed and nitrogen-filled, making it waterproof and capable of withstanding harsh conditions. The Kowa KR coating on the lens surface helps to keep the view clear.

Digiscoping with a smartphone or camera

With Kowa smart adapters, you can attach a smartphone or DSLR camera to a telescope, turning it into a compact telephoto system for long-distance nature photography.

Main features

• A pure Prominar fluorite crystal produces a sharp image with no colour aberrations.
• The 17–40x wide-angle zoom lens allows you to switch quickly from a wide-angle view to close-ups.
• With the dual-focus system, you can adjust both the fast and fine focus.
• The square eyepiece makes viewing comfortable, for example when using a tripod.
• Measuring 255 mm in length and weighing 965 g, it is easy to carry, even on long hikes.
• An optional protective filter can be fitted to the filter thread to protect the lens.
• The screw-on lens hood reduces glare and protects the lens.
• The flip-up eye shields are suitable for use both with and without spectacles.

Technical specifications

• Lens diameter: 55 mm
• Magnification: 17–40x
• Field of view (angle): 3.64–2°
• Eye relief: 17 mm
• Closest focusing distance: 2.8 m
• Glass type: XD, fluorite crystal
• Filter thread: 58 mm
• Eyepiece position: angular
• Eye cups: flip-up
• Waterproof: yes, nitrogen-filled
• Length: 255 mm
• Weight: 965 g

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