Celestron Nature DX ED 10X50

Extra low dispersion ED glass objectives
magnification 10X
Obkective lens diameter 50mm
lens coatings: fully multi coated.
Prism coatings: BaK-4
Angular field of view: 5.9
Linear field of view: 309ft/103m@1000yds/m
close focus: 8.2ft/2.5m
eye relief: 17.8mm
Exit pupil: 5mm
Waterproof and Nitrogen purged.
Accessories included: Carrying case/strap/eyecover/Objective covers/Cleaning cloth