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Bob Salomon wrote:
> In article <1150641160.285210.98140@r2g2000cwb.googlegroups.com>,
> "Steven Woody" wrote:
>
> > i got a negative carrier on hand, it gets a hole sized of 6.8cm x 5.4,
> > is it for 120 film? i've never played with 120 format, but i know one
> > kind of 120 is 6cmx4.5cm, i just don't know why this carrier sized so
> > strange, why not it be exactly 6cmx4.5cm ? you know, the 35mm carrier
> > is exactly 1x1.5 inch.
> >
> > thanks for any answer.
> >
> > -
> > woody
>
> It is for 6x7cm. Each manufacturer of 6x7 cameras and roll backs had
> slightly different actual negative sizes so at one time there were 7
> different 6x7 negative carriers for Beseler enlargers. beseler changed
> to just one size carrier in 1972.
thanks. but i've still not well understand. all 120 film get the same
height, that is 6cm, camera manufactures only make their own decisions
on the width. now, my carrier is 6.8x5.5 cm, what demension is it's
height? if it's height is 5.5cm, so how a 6cm height negative can be
inserted into the hole? if the height is 6.8cm, so only the 5.5cm leave
to the width, this way the carrier more than likely a 6x4.5 carrier
with many stranger extra spaces. still confusing!
>
> While 35mm film has a nominal size on 1 x 1.5" most enlarger negative
> carriers for 35mm have slightly smaller openings.
>
> --
> To reply no_ HPMarketing Corp.
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