All models feature an electronically controlled 'flash-bar' socket across the top of the camera, for insertion of a 10-times use flashbulb unit.
Polaroid - as well as other companies - made external flash units that plugged into this socket.
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The SX-70 is a folding single lens reflex Land Camera first produced by the Polaroid Corporation in 1972.
After several years, production was switched to Singapore with lenses made by Rollei under license from Zeiss.
Also, the time-tried strap suspension of its predecessors is again used here.
The technical features of the Rolleiflex 2.8 FX are legendary: An 80 mm f/2.8 Planar lens with Rollei HFT coating, a TTL exposure meter and TTL autoflash control in conjunction with an SCA-356 adapter provide ample room for creative experimenting.
The camera allows manual focus as close as 26.4cm (10.4"), and has a shutter speed range from 1/175s to more than 10 seconds.
A variety of models was offered, though all share the same basic design.