Mamiya M645 1000S with 80mm f2.8 tray and the shutter speeds are

and the shutter speeds are working throughout the range (though 1s might be a touch long

Shows considerable moisture damage and pen marks

The Sigma APO DG 70-300mm f4-5

it's much larger and heavier

Mamiya M645 1000S with 80mm f2.8 tray and the shutter speeds areThe Mamiya M645 is a medium format SLR that shoots 6x4. 5cm images on 120 rollfilm. Compact and easy to handle, this camera has a focal plane shutter with speeds from 1s to 1 1000s (plus Bulb) and a waist level viewfinder. Accurate shutter speeds and metering, new light seals. Cosmetic condition is excellent, with only minor wear. Includes a clean Mamiya Sekor C 80mm f2. 8 lens.