Celestron SkyMaster 12x60 Binocular - Porro - 71007 type-diagonals-and-adapters "While Barlow lenses are powerful

"While Barlow lenses are powerful tools

they are relatively inexpensive

Anti reflection angle that prevents reflection back to the objective

Typical telescope eyepieces used with fast Newtonians can have field stop locations differing by as much as half an inch

Celestron SkyMaster 12x60 Binocular - Porro - 71007 type-diagonals-and-adapters "While Barlow lenses are powerfulAbout the Celestron SkyMaster 12x60 Binocular The Celestron SkyMaster series of Celestron Binoculars have multi coated optics and high index BaK 4 prisms for superb light transmission and increased contrast and resolution. Coupled with large objective lenses, BaK 4 prisms offer amazing light gathering capabilities making the Celestron SkyMaster 12X60 Binoculars ideal for stargazing and other low light applications. With higher magnifications than