Vixen Astronomy Binoculars BT-81S-A

Features of Vixen Astronomy Binoculars BT-81S-A Description Take a look through the new Vixen BT-81S-A binoculars. You will be impressed when you use them to observe gas nebula, star clusters or comets. The magnesium fluoride coating reduces chromatic aberration and the large aperture of 81 mm ensures a razor-sharp, contrast-rich image. The BT-81S-A binocular telescope set weighs 4.1 kg, is portable and also exceptionally suited for nature observations. Features Binoculars with 80 mm lens diameter 31.7 mm (1 1/4 inch) eyepiece sockets for changeable eyepieces Very high light intensity thanks to the large 80 mm lenses Dimensions: 480 x 190 x 155 mm / weight: 4.1 kg Included: binoculars, carry handle, viewfinder, dew caps Specs Optical design; Refractor telescope Resolution and limiting magnitude; 1.43 arc seconds, 11.3 Focal length; 480 mm (f/5.9) Type of coating; Fully multi-coated Color of coating; Blue Body material; Aluminum Adapter and connections; 31.7 mm clamp