RARE Konishiroku f. Leica 1.9/50mm Hexanon M39 Mount clean glass/ clean blades, full working
The Konishiroku Hexanon f/1.9 50mm (Leica M39 / LTM mount) is a rare Japanese vintage rangefinder lens made by Konishiroku (the company that later became Konica) during the mid-1950s. It was designed for Leica screw-mount cameras and compatible Japanese rangefinders of the era.This lens is now considered a collectible vintage Hexanon, especially in clean condition with clear glass and functioning rangefinder coupling.
Key specifications
- Lens: Hexanon 50mm f/1.9
- Mount: Leica Thread Mount (M39 / LTM)
- Format: 35mm rangefinder
- Optical design: 6 elements in 5 groups
- Maximum aperture: f/1.9
- Minimum aperture: f/22
- Diaphragm: 10 aperture blades
- Filter thread: 40.5 mm
- Minimum focus distance: approximately 1.0 m / 3.3 ft
- Construction: rigid all-chrome metal body with focusing tab and infinity lock




