Beslar lenses contain coated and color corrected optical glass elements. Iris diaphragm has click stops. All lenses have 39mm (Leica) mounting thread and include lens cap and jam nut.
For 6x7cm format, use lensboard (#8023 or #8086)
|Recommended Film Format||21/4" x 23/4" (6x7cm)|
|Mount Thread size||39mm|
|Full/Half Click Stops||Yes/No|