Zeiss Eyepieces 30x/40x Eyepiece w/pouch. Zeiss Vario Eyepiece 52 80 66 features adjustable magnification and expansive fields of view. Like all Zeiss spotting scope accessories the level of optics technology delivers impressive clarity. Be sure to see the full line of Zeiss products for more high grade optical technology including spotting scope eyepieces. Specifications for Zeiss Vario Eyepiece 52 80 66: Compatibility: Zeiss DiaScopes Magnification: 30x Field of View (ft/1000yds): 120 Features of Zeiss Eyepieces Vario 30x 40x: Lightweight yet durable for optimal aiming performance Incredible optics quality level for maximum performance and maximum range LotuTec lens coating to resist water grease dirt dust Package Contents: Zeiss Eyepiece Vario 30x / 40x Eyepiece 52 80 66 Carrying pouch