August 2, 2021
When it comes to light transmission or field of view, bigger is usually better. The TSN-99 Prominar is a brand new high-end spotting scope by Kowa. It features a massive 99mm front objective lens. The 99mm spotting scope comes with a Fluorite XD (extra-low dispersion) lens that allows for maximum light transmission. It features superior edge-toedge sharpness and minimal chromatic aberration.
The primary TE-11WZ II eyepiece of the TSN-99 provides a 30-70X magnification range and a 40X extreme-wide-angle. This would be extremely useful for wind-reading. The existing accessories for Kowa’s series 88/77 are compatible with the TSN-99 series spotters.
A spotter this large is a must-have. This will be a popular choice for ELR shooters and wind coaches. This new optic may appeal to those who started with a 60mm and then moved up to an 80mm or even 88mm. It will offer better low-light performance. The objective is 99mm. This equals 3.898 in.
This big spotter is lighter than expected thanks to its 100% magnesium alloy structure. The angled model is 3.99 lbs. The straight version weighs 4.04 lbs. (1810 grams). (1835 grams). Kowa claims that the TSN-99 series’ magnesium body makes it “one of the most compact, lightweight and portable in its class… making it more mobile than many other models.” The objective lens has a protective Kowa KR coating that actively repels dirt, moisture, and dust.
Avaliable accessories include: TE-11WZ II 30-70X wide zoom eyepiece, TE-80XW 40X extreme-wide-angle eyepiece, TSN-EX16 1.6x extender, plus Digiscoping adapters.
Pre-orders for the TSN-99 PROMINAR spotting scopes can be made starting August 2, 2021. Product distribution will begin on September 9, 2021. Click HERE to view product information. Unfortunately, there is no official pricing available at the moment.
Kowa’s TSN-880 Prominar spotters (88mm TSN-880) have been ranked first in many spotting scope comparison tests. We expect the new TSN-99 to be even better. Kowa says: “The TSN-99 Prominar Series represents the evolution of more than six decades of Japanese optical design technology. It draws on the best of our optical heritage and reaps the benefits of technology and engineering that have been passed down through generations of Kowa optical professionals.
Kowa says that the TSN-99 PROMINAR Spotter was designed to give “the best and most detailed view of nature[.] We created the TSN-99 PROMINAR series to give you the best and most detailed views of nature.
TE-80XW Ultra-Wide-Angle 40X eyepiece: 37M at 1,000M
Kowa also offers the Kowa TE80XW eyepiece to the TSN-99 spotter series. The TE-80XW provides an 80-degree view and is one of the most comprehensive with comparable magnification. This view is 37 meters wide (40.5 yards) at 1000m distance. This would allow you to see a wide range of wind flags and targets with 40X magnification.
The TE-80XW features a field-flattener lens that maintains flat resolution across the entire 80-degree field. The Kowa TE80XW is waterproof and sealed against the elements. It also has Kowa’s unique KR coating that protects against dirt, moisture, and dust.
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Tags: Fluorite Glass, HD Glass, Kowa Prominar, Kowa Spotting Scope, Prominar, Spotting Scope, TSN-99A, TSN-99S
