Brand: Panda
Specification: 20X50
Objective Diameter: 50mm?? ?
Coating: blue film (no color problem・ clear imaging)?? ?
Exit Pupil Diameter: 2.5mm?? ?
Exit pupil distance: 5mm?? ?
Field: 56M/1000M?? ?
Relative brightness: 18.6?? ?
Twilight Index: 39.7???