Reciprocity failure calculator
For long exposures, film loses sensitivity. Enter your metered time to estimate the corrected time.
Estimate only — always check your film's data sheet for exact corrections. No correction is needed below ~1 second.
For long exposures, film loses sensitivity. Enter your metered time to estimate the corrected time.
Estimate only — always check your film's data sheet for exact corrections. No correction is needed below ~1 second.