Thanks Bernhard, much appreciated
Thanks Bernhard, much appreciated
What was the effective speed of the film used to take the shot of the Ford flathead V8?
I usually use Rodinal myself, but I have run out at the moment. So I have had to use Fomadon LQN dil 1+10. Some say that is a clone of Ilfosol, but I don't know for sure.
The film I have been using is Foma Indux R4, which seems to be around 3 ASA in the Fomadon when developed for 10 min at 20C.
The Indux is double-sided, so no worry over whether I got the sheet emulsion side up in the holder.
I wonder whether one should meter from a grey card when using a film that is green or blue sensitive in case it is leading to under-exposure.
I started my experiments with Rodinal dil 1:100 for 10 min as it worked for some Crontex MRF-21.
Green and Blue sensitivity means nothing to us, that's for actual X-Ray conversion holders.
AFAIK all X-Ray we have used here is Red insensitive, meaning under safelight.
I think any photo film developer will work. I use Ilford PQ and Rodinol.
Tin Can
One thing I noticed about using X-ray film was that the speed, such as it was went off as the sun got lower. I assume it is because there is less blue light present.
In this shot of the hawthorn trees I had the lens wide-open at f5.8. You can see how the image is well soft at the edges, but it isn't as noticeable as I thought it'd be. Only one of my lenses is actually an anastigmat.
I don't have a duplicate shot taken on panchromatic film for comparison purposes i'm afraid. The dead white sky is typical of x-ray film, blue sky being rendered as white.
I shoot normally at iso 80, but some go as low as iso 25, it depends on individual work flow. skies can be tamed by using filters, I always use a yellow or orange filter which gives you a better cloud definition, if they are present. I used a yellow filter on the ford, I find unless I am shooting indoors it is always on my lens.
andrew: The x-ray films are not sensitive to the warm end of the spectrum. Just about as far as green, but no further. It means the usual filters for B&W film do not apply.
I have been using yellow and orange filters on xray for quite a while and they work fine, try for yourself. If you were to try red you would get a blank canvas. Yellows allows for nice cloud formations in your pics and more contrast, and orange gives you nastier dark clouds.
+1.
Tin Can
Used the ONDU 8x10 pinhole camera again, after a long time.
LF006 by -HoodedOne-
Fuji HRT x-ray film with Y/G filter. Developed in R09 1+50 for 6 minutes.
Great result, nice balance from whispy couds, highlights and shadow detail.
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