Skip to content

Kowa 99mm Prominar Pure Fluorite Crystal Spotting Scope

Sold out
Original price $3,450.00 - Original price $4,199.00
Original price
$3,450.00 - $4,199.00
Current price $4,199.00

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

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.

  TSN-99A (Angled) TSN-99S (Straight)
Objective Diameter 99 mm. 99 mm.
Lens Material Fluorite Crystal Fluorite Crystal
Minimum Focus 19.7' 19.7'
Length 14.0 in. 14.3 in.
Weight 3.9 lbs. 4.04 lbs.
Filter Size 105 mm. 105 mm.


Magnification 30 - 70x  
Field of View at 1,000 yds. 115 - 66 ft.  
Eye Relief 17.0 mm.  
Weight 0.80 lbs.  

Have any questions?

Phone: 1-800-291-8065
Hours: Mon-Fri 9AM – 5PM MST
or hit the chat button during store hours.

Customer Reviews

Be the first to write a review

Net Orders Checkout

Item Price Qty Total
Subtotal $0.00

Shipping Address

Shipping Methods