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Antique film


sumolux

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I have no idea. Maybe they were straight, since it's required the modernization and the automation of the modern production to make them tapered.

 

Dears! Of course they were straight when bought, but why do you think Leitz offered the ABLON film trimming template? For your information, I enclose a photo of this ABLON, both first (at left) and second version. The other template was offered to shape the film ends for the developing tank. And since there is question of early film treatment, I add photos of the ABCOO knife (with its etui) and the AGRIF hand "enroller", and finally of the AFLOO that allowed to fill the cassettes.

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Well indeed, that is what I was thinking too....! But was not 100% sure.

 

Why? Because I normally load my IId without cutting the film, even though the 'tapered' section is not quite long enough according to the specs.

Yet I never have had any issues working with the film out of the roll this way. Thus I assumed the film must have been straight before it was confirmed here.

 

So I guess the standard film taper is quite enough to prevent jamming when loading Barnack's design  :p

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Dears! Of course they were straight when bought, but why do you think Leitz offered the ABLON film trimming template? 

 

 

Not quite!. The ABLON was for those who bought bulk film. Film in cassettes were pre trimmed and the long leader remained until some time in the late 70's when the manufacturers started to use the still current short leader. 

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Pecole, I thought Sumo was talking of the very end of film, not of the shape obtained cutting it with ABLON.

 

Well, maybe...but then I do not understand the problem, nor the question, to be frank.

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I began using 35mm cameras in the 1950s, when all had the long leader for Leica cameras. I remember when I first opened a box in the 1970s and saw the new stubby style leader. By then all modern cameras could use the stubby leader without problems, and Kodak could save because each roll could be almost 2" shorter, which adds up when selling millions of them.

Many old cameras (such as my Contax II) had take-up spools with a short slot to insert the film tongue, so could not use a squared-off end of film. A think all film supplied in cassettes has had a trimmed leader of some length

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