This standard was last reviewed and confirmed in 2020. Therefore this version remains current.
Specifies a method for calculating a spectral distribution index to evaluate the ability of expendable flash and electronic flash units to produce photographic colour results comparable with those obtained with daylight-type films exposed to daylight illumination.
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|std 1 61|
|std 2 61||Paper|
A standard is reviewed every 5 years
Stage: 90.93 (Confirmed)
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