Film · Black and white negative
Rollei/Maco Paul & Reinhold 640
Black-and-white negative film sold as a limited twin pack of two 36-exposure rolls to mark Rollei's centenary in 2020. Rollei gives ISO 640, fine grain, natural contrast and an exposure latitude of ISO 320 to 1600.
Rollei describes it as a limited twin pack (2020 centenary edition); it is still listed on Rollei's product page in October 2026.
- Box speed
- ISO 640
- Process
- BW
- Formats
- 35mm
- Grain
- Fine
- Latitude
- Not published
- Reciprocity
- Not published
Characteristics
Reciprocity failure
No official data available. The manufacturer hasn't published reciprocity specifications for this film.
For long exposures, try starting with a 1.3 exponent (t' = t1.3) as a baseline and bracket your shots. This is a reasonable middle ground that works for many films.
No manufacturer reciprocity data found; test or bracket long exposures.
Often used for
Help improve this page. Some information for this film is limited. If you have experience shooting Paul & Reinhold 640 or know of published data we're missing, we'd love to hear from you.
Get in touchDescriptions combine manufacturer specifications with community experience. Subjective assessments reflect common sentiment among photographers and may not match your results.