The Hi-Matic 7s and Hi-Matic 9 followed the H-Matic 7 in 1966, and were improved versions of the 7. Briefly, the cameras were rangefinder focusing, with automatic exposure, plus manual control guided by a viewfinder meter pointer that registered against an EV scale. The 7s came with the Contrast Light Compensator (CLC) metering system, but how it works in Hi-Matic cameras is unclear. The 7s also added a hot shoe and Safe Load System (SLS) indicator to show that film was loaded and being transported properly. Additional differences between the 7 and 7s included rangefinder windows changing from a contrasting 'pink and green' tint to 'yellow and blue'; the carrying strap lugs moving up to the side and given a more rounded shape; and the end of the lens barrel being black rather than the brushed aluminium of the 7.
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