Rollei RPX 25

Name: Rollei RPX 25
Brand: Rollei
Price: 9 GBP
Availability: InStock

Ultra-slow panchromatic with exceptional resolution and sharpness. Silver-rich emulsion. Formerly Agfa APX 25.

ISO

Formats

35mm, 120, 4x5

Process

Type

B&W

Characteristics

Grainvery fine

Contrastmedium high

Latitudegood

Reciprocity Failure

Compensation Formula

t' = t^1.33

Limited official data. Formula approximated from similar emulsions (Pan F Plus).

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Development Times

Developer	Dilution	ISO	Time	Temp
D-76	stock	25	6m	20°C / 68°F
Rodinal	1+25	25	6m	20°C / 68°F
Rodinal	1+50	25	10m	20°C / 68°F
Rodinal	1+100	25	60m	20°C / 68°F
D-76	1+1	25	8m	20°C / 68°F

Often Used For

studiomacroarchitecture

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Descriptions combine manufacturer specifications with community experience. Subjective assessments reflect common sentiment among photographers and may not match your results.

Last verified: Jan 2026Report an error