Brand?:?Nikula10X21?monoculars

Multiples?:?10X

Objective?Diameter?:?21mm

Angle?:?6.5?＜

Exit?pupil?diameter?:?2.68mm

Exit?pupil?distance?:?10mm

Coating:?blue?film

Prism?:?BaK7

Focus:?Focusing?eyepiece