A first for any KOWA eyepiece, the optical construction of the TE-11WZ contains 2XD-lenses. Images are delivered with outstanding sharpness even at 60X magnification. Chromatic aberration is limited at the highest level. Eye relief of 17mm remains constant throughout the magnification range. The TE-11WZ delivers a 20% wider field of view than the previous model. Suitable for the following Kowa spotting scopes: TSN -771*, TSN-772*, TSN-773, TSN-774, TSN-881*, TSN-882*, TSN-883, TSN-884, Telephoto lens*** Product no longer available** Requires TP-88EC1 prism adapterSpecification below is for TSN-880 series. Spec changes dependent on spotting scope body. Kowa TW-11WZ II 30-70x Zoom Spotting Scope Eyepiece TE-11WZ-II