Kowa TSN-66S PROMINAR 25-60x Straight Zoom Kit
- Pure fluorite crystal 66 mm objective for exceptional clarity and natural colour
- Lightweight magnesium alloy body that is waterproof and nitrogen-filled
- Straight-view design paired with a 25–60x zoom eyepiece for versatile field use
- Precision dual-focus system for quick and fine focusing control
- Fully compatible with the Kowa System for wide accessory and eyepiece options
- Ultra-compact, portable and ideal for travel and digiscoping
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The Kowa TSN-66S PROMINAR 25–60x Straight Zoom Kit delivers world-class optical performance in a compact, travel-friendly design. Featuring a pure fluorite crystal 66 mm objective lens, this premium spotting scope provides unrivalled colour accuracy, exceptional resolution and outstanding clarity, hallmarks of Kowa’s renowned PROMINAR series. Made in Japan and engineered with a robust magnesium alloy body, the TSN-66S offers the perfect balance of strength and portability for birdwatchers, wildlife observers and nature photographers who refuse to compromise on image quality.
With Kowa’s precision dual-focus system, advanced optical coatings, full waterproofing and full compatibility with the Kowa accessory system, the TSN-66S PROMINAR is an elite all-rounder built for travel, performance and a lifetime of exploration.
- Magnification 25–60x (with supplied eyepiece)
- Objective Lens Diameter 66 mm
- Objective Lens Material Fluorite crystal
- Length 380 mm
- Minimum Focusing Distance 3.5 m
- Filter Thread 72 mm
- Weight (Body Only) 1535 g
- Weight (With Eyepiece) 1915 g
- Body Material Magnesium alloy
- Waterproof Yes
- Nitrogen Filled Yes
- Pure Fluorite Crystal Optics – The TSN-66 PROMINAR uses Kowa’s legendary pure fluorite crystal lens technology, delivering industry-leading resolution, contrast and colour fidelity with minimal chromatic aberration.
- Ultralight, Robust Construction – Built from 100% magnesium alloy, the scope is incredibly strong yet lightweight, offering long-term durability without excess weight. Fully waterproof and nitrogen-filled to withstand harsh field conditions.
- Straight Viewing Configuration – The TSN-66S straight eyepiece position provides fast, intuitive target acquisition, ideal for tracking moving wildlife or scanning open landscapes.
- Precision Dual Focus – Kowa’s flagship dual-focus system combines rapid coarse focusing with ultra-fine micro adjustments for pinpoint accuracy, even at high magnification.
- Kowa System Compatibility – The scope’s universal accessory collar and bayonet mount allow full use of Kowa’s interchangeable eyepieces, digiscoping adapters and accessories.
- Outstanding Digiscoping Performance – Pure fluorite glass, compact size and high optical brightness make the TSN-66S one of the most effective lightweight digiscoping platforms available today.
- TSN-66S PROMINAR Straight Spotting Scope
- TE-11WZ II 25-60x Wide Zoom Eyepiece
- Objective Lens Cap
- Cleaning Cloth
- 10 Year Kowa Warranty
+ 5 Years Extended with Kowa Online Registration - Click Here for more information
Tactical Scope Shipping Policy
Our aim is to ensure that your order arrives with you as soon as possible and in the safest, most cost-effective means.
Shipping charges may be subject to additional surcharges if out of area or over weight restrictions.
DPD SHIPMENTS REQUIRE THE CUSTOMER TO SHOW A PIN CODE ON DELIVERY – READ MORE: HERE
Note: The above DPD link is to our group partner site Optics Warehouse, with whom we share logistics and stock. Link opens in a new window.
Couriers
We use DPD, Royal Mail, TNT, and UPS courier services for all our UK and international orders. Once your order is dispatched, you will receive an email with your unique tracking number.
In-Store Items
These are items we have in stock and aim to dispatch within 1–2 working days. During busy periods, this may be delayed slightly. If you'd prefer to collect your item in person, please contact us in advance to arrange. Collection orders must be paid for beforehand.
Pre-Order Items
Pre-order items are typically out-of-stock or in limited supply. Purchasing a pre-order secures your item, and it will be dispatched within 24 hours of restock where possible. Check the product page for estimated restock dates. These dates may change, so staying in touch is advised.
International Delivery & Taxes
If your shipping address is outside the UK, you may incur import duties or taxes upon arrival in your country. These charges are your responsibility. Customs regulations vary, so please check with your local customs office. Some packages may be opened for inspection.
Need Help?
If you need assistance, call us at +44 (0)1803 611895 (Optics Warehouse) or email [email protected].
DPD Shipments & PIN Code Delivery
We have now introduced DPD Pin Code verification for all orders shipped via DPD. You will receive a PIN via email and text.
A valid email and mobile number must be provided at checkout. Emails will come from Riviera House 3PL. Please check spam/junk folders if not received.
Failure to present your PIN to the delivery driver will result in a failed delivery and rescheduling may be required.