Kowa TSN 99A Prominar Angled Spotting Scope with 30-70x Wide Angle Zoom Eyepiece
instalment plans from £302.63/month

- Objective Lens Effective Diameter 99mm
- Objective Lens Material Fluorite Crystal
- Magnification 30-70 Wide Zoom
- Eye Relief 17mm
- Exit Pupil Diameter 3.3-1.4mm
- Relative Brightness 10.9-2.0
- Twilight Factor 51.4-78.6
- Field of View 2.0-1.13 Degrees
- Field of View at 1000m 35-20m
- Minimum Focusing Distance 6m
- Length 378mm
- Weight 1810g
- Filter thread 105mm
For those who arrive early and leave late.
LARGE 99mm OBJECTIVE LENS
A large 99mm pure fluorite crystal objective lens paired with a Kowa XD concave lens produces superior lowlight performance and exquisite detail. This special combination combined with improved optical coatings virtually eliminates chromatic aberration even at high magnification.
DUAL FOCUS - PIN POINT CONTROL
The dual focus mechanism is the gateway to controlling the image between your eye and the scope. Exquisite engineering is refined to make operation flawless. Quick focus allows for fast action to bring your subject in to detail in just a few smooth revolutions, whilst Fine focus gives pin-point, finger-tip control offering the ultimate in focussing accuracy.
TOUGH, LIGHTWEIGHT & PORTABLE
Utilising a 100% magnesium alloy structure, the TSN-99 PROMINAR series spotting scope is one of the most compact and lightweight in its class of large objective spotting scopes making it more portable than many other models.
A fully waterproof and nitrogen sealed shell plus Kowa KR coating on the optics makes the scope reassuringly rugged.
DESIGNED TO DIGISCOPE
The TSN-99 PROMINAR is 100% compatible with our KOWA SYSTEM accessory range giving you access to Interchangeable eyepieces, accessories and digiscoping adapters for DSLR cameras and smartphones - creating a truly flexible optical tool for many applications.
ULTIMATE VERSATILITY
The accessory collar and bayonet mount of the TSN-99 PROMINAR is 100% compatible with our KOWA SYSTEM accessory range giving you access to interchangeable eyepieces including the TE-11WZ II 30-70x wide zoom and the new TE-80XW 40x extreme wide as well as digiscoping adapters and other optical accessories such as the Kowa TSN-EX16 1.6x extender, creating a truly flexible optical tool for many applications.
- TSN-99A PROMINAR angled spotting scope
- TE-11WZ II 30-70x wide zoom eyepeice
- Objective lens cap
- Cleaning cloth
- 10 year warranty
- Extendible to 15 Years with Registration
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 order@tacticalscope.co.uk.
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.