Ilford XP2 film and film rating

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seany65

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I know XP2 can be rated at 50 asa up to 800 asa, but I was wondering if it's possible to rate the film at different speeds for different frames, say 100 asa on frame 1 and 400asa on frame 2 without having to change the processing?

I've just ordered a Gevaert Gevabox camera which only has one speed (1/30th?) and 3 apertures: f8, f11 and f16 and I was wondering if my best bet would be XP2 and rating it at different speeds so that the exposure my lightmeter gives me is near 1/30th and one of these 3 apertures?

Probably a completely daft idea, but I thought I'd ask anyway.

Any help would be much appreciated.
 
It will be no miracle if you get a (more or less) usable picture from a C-41 film that is exposed at +3EV to -1EV and processed normally.
 
I have done 200, 400, and 800 on the same roll of XP2 with mostly good results, but not always.
 
I shoot it often in a Lomo LC-A 120 between 100 and 640, on the same roll and develop in New55 Film, R5 Monobath @400, it's brilliant!
I've also shot it the same and had it lab processed in C41, it's been fine as well.
 
rayfoxlee said:
The article with the link below tells how to deal with exposure for XP2 Super. I use XP2 at the ISO settings described and can confirm how well the film performs. I agree that the film is best NOT pushed, if best quality is to be maintained.

http://theonlinephotographer.typepa...er/2012/10/how-to-shoot-ilford-xp2-super.html

Give it a try. I don't think you will be disappointed!

Ray
Click to expand...


thanks for the link. I think it would also apply to Kodak BW400CN, of which I have quite a lot. I had received some poor information that it could be pushed well, so I tried that (underexposed and compensated for in development) and the results were 'orrible.
Now it is clear the opposite way is the way to go.
 
It stands overexposure very well -- 3 stops (EI 50 is OK) -- and underexposure tolerably at EI 800. Overexposure means finer "grain" and reduced sharpness; underexposure, the opposite. This is nothing to do with "pushing" or "pulling". Changing the C41 standard processing time is not a good idea.

Cheers,

R.
 
I remember how someone posted here about shooting regular bw film under different ISO. After reading it I did exactly the same. I was taking shots with Bessa R and Polypan F 50 in it and changing ISO settings in camera from 50 to 800. It worked well as long as it was enough light.
 
Thanks to everyone for the replies and the info.

So it seems what I'd thought I'd inaccurately half-remembered wasn't actually wrong at all, I could use xp2 at 100asa to 400asa on the same film.

Although it may not be quite as necassary as I'd first though as my other idea about altering the exposure when using the gevabox with it's one non-tripod speed and 3 apertures by using a yellow or a green filter to 'convert' f32 or f22 to f16, or allow the use of 1/30th instead of an indicated 1/60th or 1/125th could work.

@rayfoxlee. Thanks for the link. I had already seen this an hour or two before posting. I'd been googling 'xp2' to see if I could find the info that's been provided in this thread but couldn't see it so I asked here.

Thanks again to everyone.
 
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