The Nikon ;16-48x60 Monarch ED Spotting Scope ;offers a contrast-rich and color-accurate image, while maintaining edge-to-edge sharpness due to Field Flattener Technology. Equipped with an 60mm objective lens that gathers ample light and a 16-48x zoom eyepiece, this angled-viewing scope is suited to a wide range of uses. Multi-layer coatings on the lenses and prisms provide bright detailed views, even in low-light conditions. The focusing ring permits fine adjustment for distant subjects and coarse adjustment for nearby subjects. Weather and temperature changes won't interfere with your glassing