Celestron Regal ED 10x42 BinocularsCelestron Regal ED 10x42 Binoculars deliver an impressive array of features for a binocular in their price category and the kind of specifications that birders want. Close focus is a birder friendly 4. 9', as is the 340' field of view at 1000 yards. The Regal EDs have ED (Extra low Dispersion) objective lenses to provide a view with greatly reduced chromatic aberration and increased resolution and contrast. The BaK 4 roof prisms are both phase and