The Beseler Beslar 50mm lens contains coated and color corrected optical glass elements, and an F-stop range of f3.5 to f16.
It's iris diaphragm has click stops.It has a 39mm (Leica) mounting thread and include lens cap and jam nut.
|Magnification Range||Not specified|
|Filter Size||Not specified|
|Dimensions (HxW)||Not specified|