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The document specifies a method to determine the ISO speed and range for printing of black-and-white photographic papers used to make positive reflection prints of continuous-tone subjects from black-and-white film negatives. determine ISO speed and ISO range values. Annexes A to C deal with the relationships between the paper range and the effective density range of the negative, log exposure range and contrast, and log exposure range and average gradient.
| Author | DIN |
|---|---|
| Editor | DIN |
| Document type | Standard |
| Format | File |
| Cancellation date | |
| Confirmation date | |
| expiration_de_validite | |
| ICS | 37.040.20 : Photographic paper, films and plates. Cartridges |
| Number of pages | 8 |
| Replace | DIN ISO 6846 (1992-03) |
| Cross references | ISO 6846 (1992-12), IDT |
| Set | MYSTD-20STD |
| Year | 1990 |
| Document history | DIN ISO 6846 (1994-05) |
| Country | Germany |
| Keyword | 6846 |