Kowa TSN-99 PROMINAR 99mm Fluorite Crystal Lens Straight Spotting Scope TSN-99S


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The TSN-99 Prominar Spotting Scope delivers high optical performance in a compact package. It features a large 99mm objective lens made of pure fluorite crystal, which is paired with a Kowa XD concave lens to provide ample light transmission even in the failing light of early dawn and late dusk. These lenses, combined with a series of improved optical lens coatings virtually eliminates chromatic aberration at high magnification. The TSN-99 is also equipped with a dual focus mechanism to quickly and smoothly bring your subject into detail with just a few revolutions. In addition, the this spotting scope is 100% compatible with the Kowa System accessories including different eyepieces, as well as the digiscoping adapters for DSLR cameras and smartphones.

Features of the TSN-99 Prominar Spoting Scope:

  • Pure fluorite crystal objective lens
  • 100% magnesium alloy structure
  • Compatible with Kowa System accessories
  • Dual focus

Note: an additional eyepiece is required to operate.


ModelKowa TSN-99 Series
Viewing AngleStraight
Scope Body Length:14.8 inches
Scope Body Weight:63.8 oz
Close Focus Range:19.6' / 6 m
Objective Lens Diameter:99mm
Objective Lens MaterialFluorite Crystal
Package IncludesObjective lens cap
Cleaning cloth
Item Condition:New
Product TypeShop All Spotting Scope
BrandShop All Kowa
Date First AvailableJuly 29, 2021
Last UpdatedSeptember 04, 2023

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