Kowa TSN-66A/TSN-66S Prominar Spotting Scope Kit



  • 66mm pure fluorite crystal objective lens
  • Portable and light-weight
  • Dual focus for fast and precise focusing
  • Spotting scope with straight view including wide-angle zoom eyepiece 25-60x
  • Ideal for digiscoping with a camera or smartphone
  • Particularly suitable for nature and bird watching


All Kowa branded sporting optics products come with a 10 year warranty.

A free extension of up to 5 years in addition to the existing warranty of this product is available here >

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The TSN-66 PROMINAR is the newest member of Kowa’s PROMINAR family of spotting scopes, boasting exceptional pure fluorite crystal optics that have earned Kowa global acclaim.

The TSN-66 PROMINAR’s cutting-edge technology enables it to deliver exceptional optical performance, granting birdwatchers and outdoor enthusiasts access to a level of detail and clarity typically found only in larger, heavier spotting scopes. With a compact and lightweight body and 66mm objective lens, the TSN-66 PROMINAR is the ideal tool for those who want to travel light, without compromising on image quality when they arrive at their favourite location.

The TSN-66 PROMINAR allows you to experience nature in perfect clarity, even in the most remote and challenging habitats. Travel further, explore deeper and experience the natural world in a way that was previously impossible with a compact spotting scope.

Expanding the PROMINAR pure fluorite crystal family.
Proudly made in Japan, this spotting scope joins a line-up of world-renowned precision optics featuring unique optical coatings and pure fluorite crystal technology. The PROMINAR range has set the standard for optical quality and performance, delivering outstanding image clarity and resolution. The TSN-66 PROMINAR upholds this tradition, and now offers nature enthusiasts the opportunity to experience the precision and clarity of a PROMINAR spotting scope in a more compact and lightweight form.

Experience the truth and beauty of natural colour.
Kowa has always been dedicated to delivering optical products that offer a true-to-life representation of the natural world. For nature enthusiasts and bird watchers, Kowa optics provide an unrivalled viewing experience. With Kowa’s commitment to the highest quality standards and utilising pure fluorite crystal lenses, the products deliver a pure rendition of the view in front of the lens, allowing users to explore and enjoy every detail of the subject.

Lightweight yet tough: Portable perfection.
Strong, light and built to last. The 100% magnesium alloy body not only provides robustness but also ensures a lightweight design. With a fully sealed outer body, this spotting scope is 100% waterproof and nitrogen-filled, making it impervious to the elements. Experience the perfect balance of strength and weight with the TSN-66 PROMINAR, built to last a lifetime. The scope is offered in both Angled (A) and Straight (S) configurations.

Precision Dual Focus
With meticulous attention to detail, this scope delivers exceptional performance and intuitive operation. Our flagship spotting scopes are defined by their dual focus system, and the TSN-66 PROMINAR is no exception. This highly engineered feature provides ultimate control, ensuring flawless and precise operation. With quick focus, you can bring your subject into detail in just a few smooth revolutions. Meanwhile, fine focus provides pin-point fingertip control, delivering the ultimate in focusing accuracy. Whether you’re a seasoned pro or a novice, the TSN-66 PROMINAR’s dual focus system offers flawless operation out in the field.

Kowa System compatible
Cross compatibility is a fundamental feature of all our PROMINAR spotting scopes, including the TSN-66 PROMINAR. With the 100% compatible accessory collar and bayonet mount, you have access to a wide range of interchangeable eyepieces and accessories, making this scope a truly flexible and compact optical tool that can be used for many applications.

Additional information

Weight1519 g


Country Of Manufacture



Angled / Straight

TSN-66A Angled Eyepiece, TSN-66S Straight Eyepiece


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