Specifications:
Focal length - 300 mm
Max. diaphragm. - F 4,5
Min. diaphragm. F 64
Aperture 64 32 22 16 11 8 5,6 4,5
Lep-in aperture. 18
Filter (mm) 86
Weight (gr.) 1250
Length (mm.) 74
Format: Large format
Type: Fixed focal length (fixed)
Focus: Manual focus
System: Large format
Optical design: 4 elements in 3 groups, Tessar
Additional Information:
Aperture ratio 1: 4.5
Field of view 53 °
Resolution (center / edge) 22/5 lines / mm
Frame size 18 × 24 cm
End distance 287 mm
Connecting thread М80х0.75
filter М76х0.75
Dimensions - 76.5 × 96.0 mm
Weight 820 g (without mounting flange)
Industar-37 300 mm f / 4.5 is a lens for large format cameras and enlargers, an improved version of Industar-13.