99mm PURE FLUORITE CRYSTAL LARGE OBJECTIVE SERIES.
The TSN-99 PROMINAR Series is the evolution of over seven decades of Japanese optical design and technology. It utilizes the very best from Kowa’s optical heritage and benefits from features, technology and engineering developed by generations of Kowa optical experts.
 

Superior Low Light Performance

A large, 99mm pure fluorite crystal objective lens paired with a Kowa XD concave lens, produces superior lowlight performance and exquisite detail. This special combination combined with improved optical coatings virtually eliminates chromatic aberration even at high magnification.

Robust and Lightweight

Under the beautiful shell of TSN-99 PROMINAR, a super strong magnesium alloy chassis is utilized, this lightweight material is created using a sophisticated moulding process called thixotrophic moulding, the result: A material with all the strength benefits of metal while still reaming lightweight. By employing the use of a 100% magnesium alloy structure, the TSN-99 PROMINAR series spotting scope is one of the most compact and lightweight in its class of large objective spotting scopes making it more portable than many other models.

Dual Focus

The dual focus system is one of the defining features of Kowa flagship spotting scopes, highly engineered to give ultimate control, the TSN-99 PROMINAR is no exception, the optic is a dream to use out in the field. The dual focus mechanism is the gateway to controlling the image between your eye and the scope. Exquisite engineering is refined to make operation flawless.

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  BUILT TO LAST

  The TSN-99 PROMINAR series is built to last a life time - use it with absolute confidence even in the harshest of environments. Your reliable, life-long partner in any excursion to the great outdoors. The objective lens has further protection from the elements with Kowa’s unique KR coating which actively repels dirt, moisture and dust from building on the surface.

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  FORM AND FUNCTION

  The TSN-PROMINAR looks like no other scope, a statement of style and sophistication with bold details. But looks aren’t everything. Every slender curve has been considered at the design stage and serves a purpose with comfort and ease of operation at the forefront. Smooth ergonomics combined with high end engineering delivers a scope that is easy to use out in the field for long periods of time.

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  PERFECT DIGISCOPING

  With an easy access collar on the main body of the scope, the TSN-99 PROMINAR can quickly be transformed in to a super telephoto lens system. Kowa offers a wide range of digiscoping accessories. All are just a few simple steps away for direct connection to the spotting scope body and you are ready to start digiscoping.