Challenger GS 1x20 2x Lens Converter is designed for use on the Challenger GS 1x20 night vision monocular.
The lens converter increases optical magnification 2 times, thus delivering more detailed images.
Objective lens diameter - 55mm
Magnification - x 2
Field of view (with NV device) - degree 24.2
Resolution (with NV device) - lines/mm 40mm
Length - 67mm / 2.6 inch
Weight - 100g / 3.5 oz