Pentax 8.5mm XF Series Eyepiece

To optimize the performance of the PF-65ED/EDA 65mm ED Spotting Scopes, PENTAX has developed three compact, high-performance XF-series eyepieces, all featuring a bright, high-contrast image, an American-standard 31.7mm sleeve and focal lengths ideal for outdoor viewing and bird watching. The smc PENTAX XF8.5 is a standard unifocal eyepiece, offering a focal length of 8.5mm, and a magnification of 46 times, with a 60 degree apparent field of view and a long 18mm eye relief. The eyepiece features an extendible eyepiece ring with four click-stop positions.