The Rollei film is a great ISO 400 emulsion, but not infrared. You can stick a deep red filter (hoya R72) on it and overexpose it to get a quasi IR effect.Retro stock it according to their web site: www.retrophotographic.com, but I've never tried it.
Have fun, Bob.
I've found that you can get an IR effect with deep red filters like the wratten 29 or 92. Exposures are in 5-10 second range. at F/8. Really depends upon how much IR is out during the day. I've developed in Rodinal 1:50 for 12 minutes.I have been shooting some Efke IR with the 72 IR filter. Found that the film speed is 3 stops below asa (iso?) 6. Developed 10 min in Rodinal 25/1 and got some decent stuff.
Watch out for reciprocity if you go for small f stops and very long exposures.
Digital Truth has a huge Efke IR data sheet on their site.
Happy day
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