Celestron Hummingbird 9-27x56mm ED A

The optical system of the ED lens provides sharp, clear images with vibrant, beautiful colors. The 9 to 27x magnification range spans from binoculars to spotting scopes. Bird-friendly close focus distance: 10 ft./3m close focus meets the requirements for birdwatching. Waterproof and nitrogen-filled: protected from wet weather, humid conditions, and other environmental challenges.