Olympus 10-30x25 Tracker Zoom PC I Porro Prism Binocular

 
Prism Type Porro
 
Magnification 10-30x
 
Objective Diameter 25mm
 
Angle of View 10x: 3.2°
30x: 1.9°
 
Field-of-View (@ 1000 Yds) 10x: 168' (56 m at 1000 m)
30x: 100' (33 m at 1000 m)
 
Minimum Focus Distance 16.4' (5.0 m)
 
Exit Pupil Diameter 10x: 2.5mm
30x: 0.8mm
 
Eye Relief 10x: 15mm
30x: 8mm
 
Relative Brightness 10x: 6.3
30x: 0.7
 
Twilight Factor 10x: 15.8
30x: 27.4
 
Focus Type Center
 
Weatherproofing None
 
Tripod Socket No
 
Dimensions 4.4 x 4.5 x 1.9" (111 x 114 x 48mm) WxHxD
 
Weight 0.69 lb (315 g)