Kowa TSE-Z9B 20-60X Zoom Eyepiece
Category: Accessories - Optics
Experience versatile and precise observation with the Kowa TSE-Z9B 20–60× zoom eyepiece. Designed for smooth twist zoom operation, it delivers seamless magnification from 20× to 60×, with an exit pupil of 3.3–1.1 mm and eye relief of 16.5–16.0 mm for comfortable viewing. The eyepiece provides a clear field of view of 33–17 m at 1000 m, high relative brightness, and a twilight factor of 36.3–62.9, ensuring sharp and bright images even in lower light conditions.
Fully compatible with Kowa System S spotting scopes, including TSN-601/602, TSN-663M/664M, TSN-82SV, as well as select older models* (adapter required). It is also optimised for digiscoping with a wide range of Kowa adapters, making it an ideal choice for wildlife observation, birdwatching, and photography enthusiasts.
Specifications may vary depending on the spotting scope model.
* Compatible older moldels include, TSN-603/604 | TSN-661/662/663/664 | TSN-1/2/3/4 |TS-601/602 |TS-611/612/613/614 | TSN-820/820M (requires TSN-EC1A adapter ring)
What's in the box & Warranty
- TE-9Z 20-60x zoom eyepiece
- Eyepiece carry pouch
- Protection caps
- Instruction manual
- 10-year manufacturer's warranty
Completing your purchase
Take a moment to review your selection and total before payment.
Preparing your order
Please consider both preparation and transit when planning your purchase.
Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.
Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.
View policyRequesting a refund
Contact the store with your order details so your request can be reviewed.
Please contact us for the refund processing timeframe before returning an item.
View policyDelivery arrangements
The available delivery services and charges are listed below.
Standard Shipping · United States: $0.00
Express Shipping · United States: $3.99
View policyBefore arranging a return
Speak with the store before arranging a return shipment.
United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.
View policy
