Svbony

10x42 ED Flat field correction Bak4 FMC High Power IP67 Waterproof

Svbony SA205 Binoculars for Adults, 10×42 ED Flat

Svbony SA205 Binoculars for Adults, 10×42 ED Flat field correction Bak4 FMC High Power IP67 Waterproof, Equipped with Neck Strap Refractive Adjustment, Large Eyepiece, for Bird Watching Hunting Hiking Flat field correction; this design solves the problems of edge blur; distortion; field curvature; and chromatic aberration; bringing a more comfortable birding experience ED glass; the binoculars greatly eliminates chromatic aberration;...

Svbony SV550 APO Refractor Telescope

Svbony SV550 APO Refractor Telescope, 122F7 FPL51

Svbony SV550 APO Refractor Telescope, 122F7 FPL51 ED Triplet APO OTA, FMC Dual Speed Focuser Apochromatic Telescopes with Soft Case, for Deep Sky Astrophotography Imaging Visual Observatio The SV550 APO refractor is a compact refractor with 122mm aperture; f/7 focal ratio and 854mm focal length; a great travel telescope for astrophotography and observation; The OTA weighs 6.44kg/14.18lb; easy to carry...