Model Number: NHP20-60x70 zoom binoculars
Exit Pupil Diam: 5.3mm
Magnification: 20-60x, 20-60x
Color: Black
Field of view: 56m AT 1000m
Prism (BAK4 / BK7): BK7
Eyepiece diameter(mm):16mm
Exit pupil diameter(mm):4mm
Field of view(ft /1000 yds):3.2°
EXIT PUPIL DIAMETER:4mm