SaleOut Of Stock Kowa TSN-66S PROMINAR 25-60x Straight Zoom Kit
“The TSN-66S Prominar strikes a superb balance between portability and premium optical performance. With fluorite-driven clarity and versatile zoom performance, it is an outstanding spotting scope for those wanting serious capability without stepping into the largest objective class.” – Thomas.
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
Delivery costs & estimated arrival
Find your country below for the delivery charge and how long your order should take to reach you. All orders ship with FedEx. Estimates are in working days and exclude weekends and public holidays.
| Country | Up to 2kg | 2kg – 30kg | Estimated delivery | ||
|---|---|---|---|---|---|
| Order under €350 | Order €350 & over | Order under €350 | Order €350 & over | ||
| Austria | €11.95 | €26.95 | €26.95 | €26.95 | 5-7 working days |
| Belgium | €8.95 | €14.95 | €14.95 | €14.95 | 4-6 working days |
| Bulgaria | €11.95 | €31.95 | €31.95 | €31.95 | 7-9 working days |
| Croatia | €11.95 | €31.95 | €31.95 | €31.95 | 6-8 working days |
| Cyprus | €14.95 | €89.95 | €89.95 | €89.95 | Contact us |
| Czechia | €10.95 | €21.95 | €21.95 | €21.95 | 5-7 working days |
| Denmark | €10.95 | €21.95 | €21.95 | €21.95 | 4-6 working days |
| Estonia | €11.95 | €31.95 | €31.95 | €31.95 | 6-8 working days |
| Finland | €11.95 | €26.95 | €26.95 | €26.95 | 5-7 working days |
| France | €10.95 | €21.95 | €21.95 | €21.95 | 4-6 working days |
| Germany | €8.95 | €14.95 | €14.95 | €14.95 | 5-7 working days |
| Greece | €11.95 | €31.95 | €31.95 | €31.95 | 8-10 working days |
| Hungary | €11.95 | €31.95 | €31.95 | €31.95 | 5-7 working days |
| Ireland | €6.95 | €6.95 | €8.95 | €8.95 | 2-4 working days |
| Italy | €10.95 | €21.95 | €21.95 | €21.95 | 5-7 working days |
| Latvia | €11.95 | €31.95 | €31.95 | €31.95 | 6-8 working days |
| Lithuania | €11.95 | €31.95 | €31.95 | €31.95 | 6-8 working days |
| Luxembourg | €11.95 | €31.95 | €31.95 | €31.95 | 5-7 working days |
| Malta | €14.95 | €89.95 | €89.95 | €89.95 | Contact us |
| Monaco | €10.95 | €21.95 | €21.95 | €21.95 | 4-6 working days |
| Poland | €10.95 | €21.95 | €21.95 | €21.95 | 5-7 working days |
| Romania | €11.95 | €31.95 | €31.95 | €31.95 | 6-8 working days |
| Slovakia | €11.95 | €31.95 | €31.95 | €31.95 | 5-7 working days |
| Slovenia | €11.95 | €31.95 | €31.95 | €31.95 | 6-8 working days |
| Spain | €11.95 | €26.95 | €26.95 | €26.95 | 5-7 working days |
| Sweden | €11.95 | €26.95 | €26.95 | €26.95 | 5-7 working days |
Returns & withdrawal
Which option you use depends on why you are sending the item back.
Changed your mind?
You have 14 days from receiving your order to withdraw from your purchase. Use our Withdrawal from Contract form to tell us. It is the quickest way, and we will then email you a free returns label.
If you would rather post the item back yourself to our returns address in Ireland, you pay the postage. Full details are on our Returns page.
Withdrawal from ContractFaulty, damaged or wrong item?
If your item arrived faulty, damaged or not what you ordered, please follow the steps on our Returns page. We cover the cost of returning these items.
Full details of all our return options are on that page.
Returns pageDelivery prices are shown in euros and confirmed at checkout.

calcPageSize()); bodyToggle()"
/>