Product Description
SkyMaster Binoculars are large-aperture offerings from Celestron - great both for astronomy or long-range terrestrial observing The tripod adapter on the 20x80 model provides support and increased rigidity These were never designed to be held in the hands Take this beast where skies are dark and mount it to a tripod Then be awed at their awesome ability to penetrate the inky depths of night - revealing the subtle nuances of galaxies and nebulae with all the advantages of using two eyes instead of one
Features: Wide Angle, 3.7° Angle of View, Porro Prism
Prism Type: Porro (BAK4)
Magnification: 20x
Objective Lens Diameter: 80 mm
Angle of View: 3.7 degrees (Actual)
Field of View: 195' @ 1000 yd / 64.74 m @ 1000 m
Minimum Focus Distance: 108' / 32.92 m
Exit Pupil Diameter: 4 mm
Eye Relief: 18 mm
Interpupillary Adjustment: 56 to 72 mm / 2.2 to 2.8-inch
Diopter Adjustment: -4 to +8
Focus Type: Center
Environmental Resistance: Water-Resistant (Unrated)
Dimensions: 12.8 x 9 x 4.7-inch / 32.51 x 22.86 x 11.94 cm
Weight: 4.7 lb / 2.13 kg