Mamiya C3 Professional with 80mm f2.8 ballhead The Tamron-F AF Teleconverter 2X

The Tamron-F AF Teleconverter 2X N-AFd MC7 for Nikon F is a 2x teleconverter that can double the focal length of a compatible lens

"ergonomics"

which is NOT compatible with the D1 annd D2 series

5m of film in a normal tank

dilute it 1:1 for lightly sharper (and slightly grainier) negatives

Mamiya C3 Professional with 80mm f2.8 ballhead The Tamron-F AF Teleconverter 2XThe Mamiya C3 Professional is a medium format TLR with interchangeable lenses; a Mamiya Sekor 80mm f2. 8 lens is included. The C3 looks like a classic Rollei Yashica TLR, but larger and heavier. It has some minor cosmetic wear on the body from use, as well as a small dent on one side panel which does not affect function. Good bellows and new light seals. The included lens is clean, with an accurate shutter. Shoots 6x6cm images on 120 rollfilm.