Orion 8x40 Achromatic Finder Scope, Straight-through Viewing, 8x Magnification, Black

The Orion 8x40 Achromatic Finder Scope features fully coated achromatic optics with 17mm eye relief, a 5.3-deg (inverted) field of view and adjustable focus. The baffled tube is held in an aluminum dovetail bracket that has a simple spring-loaded, two-screw adjustment.