Assertion: shutter's speed | /r/HasAspect | claimed 1/1250 s top speed
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text: Note that the Contax (Germany) 35 mm RF camera of 1932 had a vertical travel FP shutter with dual brass-slatted roller blinds with adjustable spring tension and slit width, and a top speed of 1/1000 s (the Contax II of 1936 had a claimed 1/1250 s top speed), but it was woefully unreliable and not an antecedent of the modern Square shutter.