Rollei IR in 510-Pyro

[monochromeFan]

the rollei website says that the film in question has a desginated baseline of 22 minutes at 20 C in 1+50 Rodinal...

[Mds88]

You can get Rollei IR sheet film here:

https://www.argentix.ca/index01.php

I just purchased a box.

[PatrickMarq]

Last year friends of mine from Florida, who came to Belgium brought for me 3 boxes of Rollei IR 4x5 because I could not find the here.
When inspecting the boxes there was a label saying: ‘Made in Belgium’ …

[alkman]

Just curious if you accounted for reciprocity with the exposure. Rollei films have some unpleasant reciprocity curves, and exposure times can increase rather quickly. I have definitely had IR shots go south due to too short exposure times.

[paulbarden]

Just curious if you accounted for reciprocity with the exposure. Rollei films have some unpleasant reciprocity curves, and exposure times can increase rather quickly. I have definitely had IR shots go south due to too short exposure times.

1 second does not require reciprocity compensation.
By the time you reach 5 seconds metered exposure, reciprocity makes it 12 seconds. 10 seconds becomes 33 seconds, and so on. It's not an especially egregious reciprocity response, compared to some.