The Vixen GL60 43x/60x/79x Wide Angle Spotting Scope Eyepiece is designed for use with Vixen Geoma spotting scopes.This awesome spotting scope eyepiece has fully multicoated optics, a high magnification and a wide field of view, allowing you to immerse in your environment.This is a short focal length eyepiece, exclusively for observing and not digiscoping. It provides a high level of magnification with a wide apparent field of view, and is best reserved for use in either full daylight or total darkness. It can be effectively used with the Geoma ED 67mm and 82mm scopes as an astronomical viewer of planets.Your GL60 can be easily exchanged with other Vixen eyepieces whilst out in the field without disturbing wildlife.Specifications:- Magnification: 43x with 52mm scopes, 60x with 67mm scopes, 79x with 82mm scopes- Angle of view: 1.5 with 52mm scopes, 1.1 with 67mm scopes, 0.9 with 82mm scopes- Field of view (@ 1000m): 26m with 52mm scopes, 19m with 67mm scopes, 15m with 82mm scopes- Exit pupil diameter: 1.2mm with 52mm scopes, 1.1mm with 67mm scopes, 1mm with 82mm scopes- Eye relief: 15mm- Relative brightness: 1.5 with 52mm scopes, 1.2 with 67mm scopes, 1.1 with 82mm scopes- Twilight factor: 47.3 with 52mm scopes, 63.4 with 67mm scopes, 80.5 with 82mm scopes- Weatherproofing: None- Dimensions (WxH): 33mm x 88mm- Weight: 88gIn the Box:- Vixen Eyepiece GL60 WideModel: VX1831