The Beseler 150mm HD lens with a F-Stop range of F5.6 to F32, and offers brilliant reproduction over a wide range of enlargement ratios. This lens is generally used for working with 4 x 5" format negatives.
With a six-element design, the Beseler HD lenses provides resolution of the finest details while maintaining a uniformly high contrast on axis to field edge.
The HD lenses have a pre-set diaphragm and removable full and half stop detents, plus a 50mm mounting thread.
Made in Germany.