Giant Binocular

Giant binoculars are a must for long-range terrestrial observations because you can see much brighter and sharper image in greater details with a giant binoculars. Now days, some people prefer to use big (or bigger) binoculars for astronomy as the use of both eyes is more comfortable than using a telescope. 
 

Optical Specifications of Giant Binocular:
-Two Magnifications: 25x 40x
-Real Angle of View: 2° 30' 1° 30'
-Real Field of View in Meters @ 1000 Meters 43.64m 26.18 m
-Apparent Angle of View: 62.5° 60.0°
-Minimum Focal Distance (Varies for each user) 50 m 140 m
-Exit Pupil Diameter: 4 mm 2.5 mm
-Eye Relief: 14 mm 8.2 mm
-Inter papillary Distance Range: 58 mm 72 mm
-Relative Brightness: 16 6.5
-Twilight Factor: 50 60.25
-Objective Lens Diameter: 100 mm
-Lens Coating Material: Magnesium Fluoride
-Lens Coating Type: Fully Broadband Multi-coated
-Elevation Angle: 57°
-Depression Angle: 30°
-Azimuth Angle: 360°
-Dimensions: L= 25" W= 8.6" H= 10.9"
-Weight: 12 kgs.

 

 

 

 

 

 

 

 

 

45 degree-ocular version of the 100mm giant binoculars are designed for more comfortable astronomical viewing. The body is painted either in silver or champagne. With one set of eyepieces (either 25x100 or 40x100). Comes complete with a wooden tripod, mount and the nylon case.
 


Here's an example of what you can expect to see with the Giant Binocular 25/40x100mm binoculars

Zoom 1x

Zoom 20x

Zoom 40x