Celestron Ultima 100 - 45 Degree Zoom Spotting Scope - 52252About the Celestron Ultima 100 45 Degree Zoom Spotting Scope Celestron Spotting Scope''s highly acclaimed Ultima Series is more versatile than ever. The Celestron Ultima 100 Series Spotting Scope feature multi coated optics to provide exceptional clarity and brilliance. The largest aperture scope in the Ultima line, the 100mm, provides the best performance in low light conditions. The Celestron Ultima 100 Series Spotting Scopes perform extremely well