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Kowa TSN-99A Prominar 99mm Angled Zoom Spotting Scope Kit

by Kowa
Original price $3,450.00 - Original price $4,199.00
Original price
$3,450.00 - $4,199.00
Current price $4,199.00
In stock
In stock

Ships To: United States & Canada 🇺🇸 🇨🇦

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Kowa Optics TSN-99A Prominar 99mm Angled Spotting Scope - available with or without TE-11WZ II Zoom Eyepiece

Presenting the Kowa TSN-99A Prominar  99mm Angled Zoom Spotting Scope Kit offers exceptional brightness, wide field of view, and crystal-clear visuals for those who seek prolonged observation.

It boasts a large 99mm pure fluorite crystal objective lens paired with a Kowa XD concave lens, ensuring superior low-light performance and intricate detailing.

This combination, along with enhanced optical coatings, effectively eliminates chromatic aberration even at high magnification.

Kowa TSN-99A 30-70x99mm Prominar Angled Zoom Spotting Scope Kit Lifestyle Photo Outdoor

The scope features a dual focus mechanism for precise image control, with quick and fine focus options providing seamless operation and accurate focusing.

Constructed with a 100% magnesium alloy structure, it stands as one of the most compact and lightweight large objective spotting scopes in its category, enhanced by its waterproof and nitrogen-sealed shell and Kowa KR coating for rugged durability.

Kowa TSN-99A 30-70x99mm Prominar Angled Zoom Spotting Scope Kit Lifestyle Photo

The TSN-99 PROMINAR is designed for digiscoping, fully compatible with the KOWA SYSTEM accessory range, enabling versatile applications with interchangeable eyepieces, accessories, and digiscoping adapters for DSLR cameras and smartphones.


  • 30-70x Magnification: The Zoom Kit for the TSN-99A comes complete with the Kowa TE-11WZ II Zoom Eyepiece, delivering a versatile magnification range spanning from 30x to 70x. This eyepiece empowers users with the flexibility to zoom in for detailed observations of distant subjects and zoom out for broader perspectives. It stands as an ideal choice for nature enthusiasts, birdwatchers, or anyone in search of adjustable magnification to cater to diverse observation scenarios.

  • 99mm Objective Lens: The spotting scope features a substantial 99mm objective lens, ensuring exceptional light-gathering capabilities. This large diameter allows for clear and bright images, even in low-light conditions, making it suitable for a range of outdoor pursuits where lighting may vary.
  • Angled View Eyepiece Design: The angled eyepiece design enhances versatility and comfortable viewing angles, making it well-suited for shared use among users of different heights and preferences. It also provides flexibility in positioning the scope for various observation scenarios, such as bird watching, nature observation, or target shooting.
  • Fluorite Crystal Lenses: Utilizing fluorite crystal lenses, the spotting scope achieves ultra-low dispersion characteristics, minimizing chromatic aberration for unparalleled resolution and contrast. This advanced optical technology ensures a premium viewing experience with vivid and true-to-life images.
  • Waterproof and Fogproof: Engineered to meet JIS Protection Class standards, the housing of the spotting scope is fully waterproof. Additionally, it is filled with dry nitrogen gas, preventing internal fogging and ensuring a consistently clear image output, making it reliable in diverse weather conditions.
  • Dual Focus Mechanism: The spotting scope features a dual focus mechanism, allowing for seamless and precise adjustments. The rapid focus transitions from infinity to a minimum focusing distance in just a few revolutions, while the fine focus option provides pinpoint accuracy, especially beneficial at higher magnifications or when used with digiscoping setups.
  • All-Surface Multi-Coating: The optical system is equipped with all-surface multi-coating, ensuring precise color definition for brighter and sharper images. This coating minimizes glare and reduces distortions, contributing to a high-resolution and contrast-rich viewing experience.
  • Thixomolded Magnesium Alloy Body and Barrel: Crafted through thixotropic molding, the magnesium alloy body and barrel provide robustness and a tactile sensation akin to traditional metal bodies while significantly reducing overall weight. This durable construction excels in harsh conditions, instilling confidence and security in users.
  • Kowa's Eyepiece Locking Mechanism: The spotting scope incorporates Kowa's eyepiece bayonet mount with a secure locking mechanism, preventing inadvertent detachment or loss of the eyepiece during use, ensuring enhanced peace of mind.
  • Ideal for Digiscoping with a Camera or Smartphone: Designed for digiscoping, the spotting scope facilitates the capture of images and videos using a camera or smartphone. This feature adds versatility, allowing users to document observations and share experiences through various imaging devices.
  • Suitable for Nature and Bird Watching: Positioned as suitable for nature and bird watching, the Kowa TSN-99A Spotting Scope caters to outdoor enthusiasts who enjoy observing wildlife and the natural world. The combination of magnification options, optical quality, and design features makes it an ideal companion for nature-focused activities.
  • Dual Tripod Mounting Screws: Catering to versatile tripod setups, the spotting scope features a dual mounting screw system that accommodates both 1/4 and 3/8 inch mounts, ensuring stable and secure attachment to tripods of varying specifications.

Kowa TSN-99A 30-70x99mm Prominar Angled Zoom Spotting Scope Kit Features Video:


What's Included in the TSN-99A 99mm Zoom Kit:

✓ Kowa TSN-99A Prominar Angled Spotting Scope

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

✓ Objective lens cap

✓ Cleaning cloth

✓ Instructional manual

✓ Limited 10 Year Warranty

What's Included with the TSN-99A Spotting Scope Body Only:

✓ Kowa TSN-99A Prominar Angled Spotting Scope - Body Only

✓ Objective lens cap

✓ Cleaning cloth

✓ Instructional manual

✓ Limited 10 Year Warranty



Objective Lens Material: Fluorite Crystal
Objective Lens Effective Diameter: 99mm
Minimum Focusing Distance: 6m
Filter thread: 105mm
Length: 378mm
Weight: 1810g

Kowa 30-70x99mm Prominar Angled Zoom Spotting Scope Kit - TSN-99A ZM SET Brochure & Product Manual:

Download the Kowa 30-70x99mm Prominar Angled Zoom Spotting Scope Kit - TSN-99A ZM SET BrochureProduct Manual

Customer Reviews

Based on 1 review
David M.
I'm enjoying this incredible spotting scope.

Kudos to Kowa on this scope. First time I looked through the viewfinder it was like a ticket to Wowsville. What an experience. I don't think I'll ever get tired of using this spotting scope. Happy Scoping!