Macro Soviet lens Industar 90U 4/ 75 lens from a rendered format enlarger in excellent, fully in good condition. Made at the Lytkarinsky optical glass factory. It is designed for a frame format of 6x6cm. The diaphragm consists of 10 blades. The lens is lightweight and therefore it is quite convenient to work with it. Perfect for macro photography. Additionally, we can complete the adapter to a modern digital camera camera.
Specifications: Format: 35mm mirror Type: Constant focal length (fixed) Focus: Manual Focus System: M39 Optical design: 4 elements in 3 groups, Tessar Focal length: 75mm Aperture: f / 4 - f / 16 Diaphragm Shaper: 10 Filter: no Weight: 65g Length: 32mm Product condition: Very good condition. Lenses clean no scratches, fungus and dust. The mechanics are working properly.