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f0t0fan
journeyman


Reged: 05/07/2007
Posts: 78
Slide Copying
      24/07/2008 21:50

I have been trying to use a bellows and slide copier attachment in conjunction with my DSLR (Pentax K10D). The bellows/slide copier assembly assumes the use of a 50mm lens. In trying to use this with a camera with an APS-C sensor I have hit a problem - with a 50mm lens I cannot get full coverage of a 35mm slide because of the magnification effect.

Now comes the catch 22. If I move the slide holder further away from the lens it goes beyond the infinity focus of the lens because of the built in extension inherent in the bellows. But if I try to use a 35mm lens with the slide holder in the normal position I hit the same problem. The extension puts the lens beyond the infinity focus position.

Any ideas as to how I can overcome the problem short of waiting for Pentax to introduce a full frame sensor.

Please note that I already own a dedicated slide scanner - a Scanwit approx 6 years old. The resolution on this is still quite good - approx equivalent to a 12 Meagapixel camera but the noise level is much higher than a modern DSLR hence my attempts to use the bellows/slide copier combination.

Any ideas would be welcome.

Thanks in anticipation

Ron D

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Subject Posted by Posted on
* Slide Copying f0t0fan 24/07/2008 21:50
. * * Re: Slide Copying f0t0fan   28/07/2008 22:30
. * * Re: Slide Copying El Sid   25/07/2008 13:06
. * * Re: Slide Copying Malcolm_Stewart   25/07/2008 09:00
. * * Re: Slide Copying Nod   25/07/2008 08:39

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