Kowa

Kowa TSN-55A Prominar Fluorite Spotting Scope 17-40x Zoom

Experience Unrivaled Clarity in a Compact DesignThe Kowa TSN-55A Prominar Spotting Scope redefines portability without sacrificing optical performance. Featuring a pure fluorite crystal objective lens and a wide-angle zoom eyepiece, this spotting scope delivers exceptional clarity and brightness....

$2,399.00*
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*Price sourced from Amazon.com. Last updated:Aug 27, 2026.Price and availability are subject to change — details.

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Overview

Experience Unrivaled Clarity in a Compact Design

The Kowa TSN-55A Prominar Spotting Scope redefines portability without sacrificing optical performance. Featuring a pure fluorite crystal objective lens and a wide-angle zoom eyepiece, this spotting scope delivers exceptional clarity and brightness.

Designed for travelers and outdoor enthusiasts, the TSN-55A offers a dual-focus system for precise adjustments. With a 17-40x zoom magnification and a lightweight design, this spotting scope is the perfect companion for observation and digiscoping.

  • Objective Lens: PROMINAR Pure Fluorite
  • Magnification: 17-40x Wide Angle Zoom
  • Focus System: Dual Focus
  • Eyecup: Three Stage, Twist-Up
  • Tripod Mount: 1/4"/20
  • Material: Polycarbonate
  • Color: Green
  • Weight: 34 Ounces

Key Features

ANGLED MODEL - The TSN-55A angled spotting scope combines a 55mm pure fluorite crystal objective lens with a versatile 17-40x wide zoom eyepiece; Weighing just 965g and measuring 275mm, this compact optic is ideal for bird watching, shooting targets, hiking gear, camping, and hunting accessories

PURE FLUORITE CRYSTAL OPTICS - Kowa's PROMINAR pure fluorite crystal lens technology virtually eliminates color blur while enhancing brightness, contrast, and resolution; Combined with ED glass elements, the integrated 17-40x zoom eyepiece expands the field of view for a more immersive viewing

FAST & PRECISE DUAL-FOCUS - The advanced PROMINAR dual-focus system makes the spotting scope exceptionally easy to focus; Quick focus rapidly brings subjects into view, while fine focus provides precise fingertip adjustments for bird watching, wildlife observation, and detailed distant viewing

LIGHTWEIGHT, WATERPROOF & DIGISCOPING READY - Built for demanding outdoor use, this spotting scope features a fully waterproof, nitrogen-filled body with KR-coated optics that repel dirt and moisture; Its compact design works seamlessly with Kowa digiscoping adapters for telephoto solution

FIELD-READY PACKAGE - Ready for adventure right out of the box, the TSN-55A PROMINAR includes an objective lens cap, eyepiece cap, cleaning cloth, and instruction manual; The integrated tripod mount allows quick attachment for stable viewing in the field; Note: a carrying case is NOT included

Specifications

Objective Lens Material
PROMINAR Pure Fluorite
Magnification Range
17-40x Zoom
Eyecup Type
Three Stage, Twist-Up
Focus System
Dual Focus
Tripod Attachment
1/4"/20
Warranty
Limited Lifetime

Frequently Asked Questions

The Kowa TSN-55A Prominar Fluorite Spotting Scope features a PROMINAR Pure Fluorite Objective Lens, known for providing exceptional optical clarity.
This spotting scope offers a versatile 17-40x wide-angle zoom magnification, allowing for detailed observation at various distances.
The Kowa TSN-55A is equipped with a dual-focus system, which enables both quick and precise adjustments for sharp imagery.
Yes, it features a three-stage, twist-up eyecup, which is designed to enhance comfort for all users, including those who wear glasses.
The spotting scope includes a standard 1/4"/20 tripod attachment, making it compatible with most conventional tripods for stable viewing.