Prior issues with eye cup and pocket knife have been resolved 10x magnification -- 25mm optical glass objective (front) lens -- 13.2mm optical glass eyepiece -- 2.5mm exit pupil -- 8mm soft eyecup -- 4.25" length Fully multi-coated (FMC) optics for superior light transmission, brightness & clarity 11-function pocketknife, neck strap and lens cloth included Premium quality rugged holster with polyester lining, 2-function belt loops (snap and thread-thru) & D-ring Axxiomm "Vista" 10x25 Pocket Telescope (Monocular) + 11-function Pocket Knife, Premium Holster & Accessories. Fully Multi-Coated Optical Glass for Superior Light Transmission & Maximum Clarity.