Kowa 99mm Prominar Fluorite Crystal Spotting Scope (Angled) with TE-11WZ II 30-70x Zoom Eyepiece

Model: TSN 99A Zoom Kit

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General Information

Objective lens effective diameter 99mm
Objective lens material Fluorite crystal and XD lens
Minimum focusing distance 19.7-feet
Filter thread 105mm
Length 14.9-inch
Weight 63.8 oz
Magnification 30-70x
Subjective field of view 59-70 degrees
Field of view at 1000m 35-20m (1000 yards /105-60 feet)
Exit pupil diameter 3.3 - 1.4
Relative brightness 10.9 - 2.0
Twilight factor 51.4 - 78.6
Eye relief 17mm
Product Description

Kowa 99mm Prominar Fluorite Crystal Spotting Scope (Angled) with TE-11WZ II 30-70x Zoom Eyepiece - TSN99AZOOMKI

The Kowa 99mm TSN-99 Prominar Spotting Scope offers an amazing viewing experience in a rugged and durable housing that is fully waterproof and nitrogen-filled. It also features a dual focus mechanism that allows you to get subjects in focus quickly and then fine-tune the image.


The spotting scope features Quick focus and Fine focus. With Quick focus, users benefit while viewing fast action subjects. Fine focus offers pin-point, finger-tip control. It provides ultimate focusing accuracy and can be adjusted even while wearing gloves.

Dual Focus

Control the image between your eye and the scope with the dual focus mechanism. To accurately use the dual focus mechanism, focus on a subject quickly, then fine-tune the image using the dual focus mechanism with course and fine adjustments.

Fully Waterproof and Nitrogen Sealed

Whether bird watching, hiking, camping, or just observing the scenery, this spotting scope is outdoor ready! It features rugged construction that can tolerate the severest conditions and provides confidence and a sense of security.


By employing the use of a 100% magnesium alloy structure, the TSN-99 is a lightweight and handy spotting scope that offers high optical quality despite its compact dimensions. It features a robust, rugged design that can be used in the harshest of environments.

KR Coating

The objective lens is protected with KR coating. This unique KR coating actively repels dirt, moisture, and dust from building on the surface.

Kowa TE-11WZ II 30-70x Zoom Wide Angle Eyepiece

Enjoy a comfortable viewing experience across the entire magnification range, with the 30-70x wide-angle eyepiece. This lightweight eyepiece delivers a field of view that ranges from 105 to 60 feet at 1,000 yards, which meets or exceeds any other wide-angle zoom eyepiece.

Product Highlights
  • 99mm objective lens
  • Angled viewing
  • Fluorite crystal and XD lens
  • 19.7-feet minimum focusing distance
  • 105mm filter thread
  • Dual focus mechanism
  • Fully wand nitrogen sealed
  • KR Coating on objective lens
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