pentaxuser
Member
Thanks, Olyman, for the reply. As you say shorter backed compact waste less film but in the case of the Mju II the user needs to place the film flat between the rails and simply push it to the end of the rail whereupon closure of the back starts the wind mechanism. As Olympus knows the length of its camera back then you'd think if the camera senses that enough film has been pulled forward to engage the wind mechanism which seem to be the case then if it then relied on the signal from the code on the cassette it would always only allow enough film to pass through to cover 24/36 frames and no more. On that basis even if there was still slack in the cassette it would rewind once X inches of film had passed but as we know an extra frame or maybe more can be obtained which suggests to me that the rewind is based solely on a change of tension, as you say, and has no connection with frame coding at all
pentaxuser
pentaxuser