22% Off

Kowa TSN-99 PROMINAR 99mm Straight Spotting Scope Body

SKU: KWTSN99S MFR: TSN-99S
Earn VIP Reward Points

Key Features

  • Experience unmatched clarity with the Kowa 99mm objective lens for brighter, sharper images.
  • Enjoy versatile viewing with this straight spotting scope, perfect for birding & nature observation.
  • Capture stunning details with high magnification power, bringing distant subjects into clear view.
  • This Kowa spotting scope body is built tough with water-resistant construction for outdoor use.
  • Achieve stable, shake-free viewing by easily mounting to any standard tripod for steady observation.
  • Fluorite crystal lenses provide exceptional color fidelity, enhancing your spotting scope experience.
See More Product Details
Special Order?Estimated to Ship: 08/21/2025
Free Shipping

See Options

1

Protect your gear with Adorama Protect.* Learn more

2 Year

$119.99

3 Year

$179.99

4 Year

$215.99

Available to U.S. customers only.

Need help? Ask our experts.

Overview
Compare
Specs
Protection
Q&A

Questions & Answers

Reviews about this item

Review Summary

Select a plan in the Add Protection section above and purchase with this product by clicking “Add to Cart”.

image-protection

TRUSTED PROTECTION PLANS, EXCEPTIONAL SERVICE.

Invest In Your Gear and Peace Of Mind!

Accidents happen. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failures, and more.

Repair or Replacement

Repair or Replacement

If we can’t fix it, we’ll replace it at no additional cost.

Accidental Damage

Accidental Damage

Protect your product from drops, spills, and more.

Peace of Mind

Peace of Mind

Enjoy your gear without fear. We have you covered!

Failure Protection

Failure Protection

When regular use of your product over time results in mechanical or electrical failure.

Zero Deductible

Zero Deductible

We will never charge you a deductible after the purchase of a plan.

Customer-Focused Support

Customer-Focused Support

Our claims process is simple & easy and our customer service team is happy to help.

Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for international or U.S. territories purchases. Plans on open box items do not cover pre-existing damage.
Adorama Protect plans are available for ABS clients. If you have any questions or require assistanse, please call 800-223-2500

Kowa TSN-99 PROMINAR Specifications

Design
  • Viewing Angle

    Straight

  • Prism Type

    Roof

Performance

Jump to...
  • Objective Lens Diameter

    99mm

  • Minimum Focus Distance

    19.7' (6m)

Features

Jump to...
  • Fogproof

    Yes, Nitrogen Filled

  • Environmental Resistance

    Water-Resistant (Unrated)

General

Jump to...
  • Material

    Objective Lens: Fluorite Crystal

  • Battery / Runtime

    No

  • Filter Thread

    105mm

  • Tripod Mounting Thread

    1/4"-20 Female, 3/8"-16 Female

  • Dimensions

    14.3" (36.32cm)

  • Weight

    4 lbs (1.83kg)

  • UPC Code

    879110008943

About Kowa TSN-99 PROMINAR

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 molding process called thixotropic molding, 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.

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.

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.

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.

Kowa TSN-99 PROMINAR Features

  • 99mm PROMINAR Pure Fluorite Crystal Objective Lens
  • Spotting Scope Body Only; Eyepiece Sold Separately
  • Portable and Lightweight
  • Magnesium Alloy Body
  • Dual Focus for Fast and Precise Focusing
  • Angled Viewing Version
  • Compatible with the TE-11WZ II, TE-80XW, and TE-20H Eyepieces

Warranty Information

This product has a limited lifetime warranty.

Key Features

  • Experience unmatched clarity with the Kowa 99mm objective lens for brighter, sharper images.
  • Enjoy versatile viewing with this straight spotting scope, perfect for birding & nature observation.
  • Capture stunning details with high magnification power, bringing distant subjects into clear view.
  • This Kowa spotting scope body is built tough with water-resistant construction for outdoor use.
  • Achieve stable, shake-free viewing by easily mounting to any standard tripod for steady observation.
  • Fluorite crystal lenses provide exceptional color fidelity, enhancing your spotting scope experience.

What's in the box:

  • Kowa TSN-99 PROMINAR 99mm Straight Spotting Scope Body
  • Objective Lens Cap
  • Cleaning Cloth
  • (Eyepiece Not Included)
  • Kowa Lifetime Limited Warranty