Kowa extenders and filters are the perfect companions for Kowa scopes, seamlessly enhancing their capabilities and functionality.

1.6x Extenders

Increase the magnification of your Kowa spotting scope by 1.6x. Perfect for long range observation applications. Kowa extenders also feature an accessory collar making them compatible with Kowa digiscoping adapters for super telephoto photography.

Protection Filters

Protect your investment. Kowa high quality filters are available for our TSN-99 and TSN-88 PROMINAR spotting scopes. They feature Kowa KR coating to actively repel dirt and moisture from building on the surface and help to protect the objective lens form harsh environments.