Rollei Retro 400 pull to 200 - timing?

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fuzk

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Hi all!

I'm asking on behalf of a friend who wants to try pulling the film. He is using HC-110 dilution B and he can't seem to find any developing timings for it. I tried to find on the internet but timings seem to vary. Help?

Thanks in advance!

Best,
Jy
 
I'd say 8min is a good starting point.

I use quite a lot of R-R 400 (rebranded APX400) at ASA 200-250. Usually I soup it in Rodinal 1+50 for 10min. Not my favorite film - but I still have one whole bulk roll of it left so I better not complain.
 
Thanks Mablo for the very quick reply. :)

How different is Rodinal from HC-110? I'm afraid we can't get (or my friend doesn't have) Rodinal. Would the timings vary greatly?

Best,
Jy
 
Sorry, I reread my very unclear development notes. The starting point is definitely not 8min but more like 6min for HC-110, dilution B. If still in doubt (you better be!) check with a forum member named RobertV. He is an expert of all things concerning Rollei films and their development.

Rodinal is quite different from HC-110 and dilutions are different so it is not unusual that dev times change quite a lot.
 
Mablo,

If being in doubt means I'm on the right track, you can definitely say I am! :p

I'll pm RobertV and see what he says. Thanks Mablo! :)
 
i used recently apx400 at 250, should be the same. 11 mins and one inversion per minute worked best for me (20deg C) in rodinal 1+50. (I scan the film.)
 
Pherdinand and Marduk,

Thanks for the very useful information. I'll be sure to pass it on to my friend and see what he makes out of it. :)
 
Well a normal time in dil B is about 6 minutes
so your friend would have to be looking at ~5 minutes BUT I would go closer to the 6 minutes anyway.

If he has a few rolls I think it is better to sacrifice one and determine the EI of the film.
- Set the development (6 min n HC110 B)
- Find a controlled scene (I used the mantel or a bookcase) with a wide range of tones
- Shoot -2,-1,0,+1,+2 or in half stops then a blank then repeat
- Develop a snippet of the film (by having hte seuqence repeated youĺl be sure to have at least one in your snippet)
- Evaluate which speed fits best the printing/scanning and then rate the film by this.


fuzk said:
Hi all!

I'm asking on behalf of a friend who wants to try pulling the film. He is using HC-110 dilution B and he can't seem to find any developing timings for it. I tried to find on the internet but timings seem to vary. Help?

Thanks in advance!

Best,
Jy
Click to expand...
 
It's a good question whether this is really a pull at all. Too much depends on metering technique and subject matter. With broad-area metering and a long subject brightness range, rating at 200 might give an identical exposure to metering shadows with a spot meter at 400.

Broadly, one stop overexposure (with identical development) will increase grain slightly and decrease sharpness slightly. Cutting developmemt will then reduce contrast and highlight desity. With a low-quality scanner, high density in the highlights may cause them to 'blow' to a featureless white. Wet printing, or with a good scanner, it shouldn't.

Cheers,

R.
 
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