Rollei 8OS and Foma100 Long Exposure

karlori

Digital Refugee
Local time
4:03 AM
Joined
May 15, 2010
Messages
415
Hi,

I got my hands on some Rollei 80S and Foma 100 and 200 in 120format and would like to know how these films perform with long exposures ?
Can you provide some examples and some correction tables as I wasn't lucky in finding anything useful online.
TiA

Best Regards
Karlo
 
I really don't mean to be rude when I suggest that you try it yourself. Once you get to long exposures, so many things contribute to the final outcome that the best intentioned advice from others can be terribly misleading.

That said, I'm sure you realise that your biggest enemy will be reciprocity failure. Dunn and Wakefield suggest the following correction factors as a general starting point, the first figure being seconds, the second figure being the correction...

1 x 1.25
2 x 1.5
5 x 2
10 x 2.5
20 x 3
30 x 3.5
50 x 4
80 x 4.5
120 x 5


The other suggestion I'd make, is to start with Rodinal and use stand developement, say 100:1 for an hour. If you can get your hands on "Exposure Manual" (ISBN-0-85242-762X) by the above mentioned J.F.Dunn and G.L.Wakefield, you'll find much to help you.
 
Reciprocity failure for Foma 100 is quite steep:

1/2s 1/2s
1 s 2 s
2 s 10 s
4 s 27 s
8 s 1 m
15 s 2 m
30 s 5 m
1 m 13 m
2 m 35 m

Foma 200 is slightly steeper:

1/2 1/2
1 s 3 s
2 s 12 s
4 s 30 s
8 s 1 m
15 s 2 m
30 s 6 m
1 m 14 m
2 m 40 m

Cannot comment on Rollei 80S but I wouldn't hold my breath it's any better.
 
Reciprocity failure for Foma 100 is quite steep:

1/2s 1/2s
1 s 2 s
2 s 10 s
4 s 27 s
8 s 1 m
15 s 2 m
30 s 5 m
1 m 13 m
2 m 35 m

Foma 200 is slightly steeper:

1/2 1/2
1 s 3 s
2 s 12 s
4 s 30 s
8 s 1 m
15 s 2 m
30 s 6 m
1 m 14 m
2 m 40 m

Cannot comment on Rollei 80S but I wouldn't hold my breath it's any better.

Holy hell :eek: ... I might as well sit down take a canvas and start drawing what my eyes see :eek:.

Thank you for your input
 
Back
Top Bottom