shooting onto photo paper

AshleyC

AshleyC

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there was an article in this months Black & White that the guy was using photo paper instead of negatives to shoot onto. This was for 5x4's so he was just trimming it down to size, sticking it in the cartridge and shooting it at iso 6 i think!

But the odd thing was that he was getting a negative image when he developed the paper. I would of assumed he would get a positive since your just projecting the light onto white paper?

Cost wise it looked pretty effective at about £16 for what would be 50 shots, but the whole negative thing confused me.

Anyone here tried this?
 
I did try it years ago with a home made 8x10 pinhole, it does create a negative and I can't remember the details now but getting a positive print took quite a while.
 
Could you scan it and invert the image PS?

Andy
 
It will produce a negative image as areas hit by light will go dark. The emulsion works the same way as a film emulsion so the developed image will be negative.

The paper is intended to print from a negative. A negative reverses the white to black range so the paper also has to reverse it to get it the right way round again. A paper negative like this can be contact printed with another piece of paper to produce a positive.

However, Ilford do make a Direct Positive paper which will produce a positive image when exposed in a camera. This eliminates the contact printing step but the picture will be a mirror image as in the camera, the emulsion is facing the lens and the print has to be turned round to view it.


Steve.
 
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I did it, using print paper in a show-box pin-hole.
Develop the 'negative', like a print.
Dry.
Get fresh print paper, in the Dark-Room.
Put negative on top of fresh print paper on base-board of enlarger. Hold down with a sheet of glass. Expose with enlarger, the trap 'empty'.
Test strip with usual test stripping mask.
Develop.
Dry.
Decide which was best exposure.... if any.... or repeat above until you get one.
Repeat without test stripping, at selected exposure.
Can be a little fuzzy aparently, but ones I made were sharper than my pin-hole images!
 
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