Mamiya 80mm f/4 (N/A)
An interchangeable medium format lens with an electronic leaf shutter, designed for the Mamiya 7 system
Overview
This is the 80mm f/4 lens for the Mamiya 7 and Mamiya 7II camera systems. It is often called the normal lens for the platform. The electronic leaf shutter is in the lens and runs from 4 seconds to 1/500th of a second plus bulb. The camera controls it. The lens comes with its own special lens hood, and users say the hood should not be missing when you buy one. Optically it is praised for sharpness at all apertures, no distortion, and even illumination across the frame.
Specifications
| Focal length | 80mm f/4 |
| Optical construction | 6 elements in 4 groups |
| Dimensions | 2.2" (56mm) length, 2.6" (67mm) diameter |
| Weight | 10.2 oz (290g) |
| Minimum focus distance | 3 feet (1m) |
| Filter thread | 58mm |
| Shutter type | Electronic leaf shutter (in-lens) |
| Shutter speed range | 4s to 1/500 plus bulb (controlled by camera) |
| Lens hood | Included (special lens hood) |
Design
The electronic leaf shutter sits inside the optical assembly, as it does in every lens in the Mamiya 7 system. The optical layout is six elements in four groups. No other construction details are documented.
Context
This is the standard normal lens in the Mamiya 7 system. The other lenses are the 43mm f/4.5, 50mm f/4.5, 65mm f/4, 150mm f/4.5, and 210mm f/8. It is made for the Mamiya 7 and 7II rangefinder cameras,
Market
Two demo sale prices from Calumet list the lens at $729.99 and $949.99. Neither is an original MSRP. The provided sources document no current market data, common failures, or collectibility trends.
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