User manual POLAROID T-572 DATASHEET

[. . . ] Film Data Sheet Polapan 400 (T-572) Black & White 4 x 5 Pack Film Description 3URIHVVLRQDO % : 3DFN )LOP [ LQFK [ FP A panchromatic, medium-contrast film producing fine grain prints with excellent gradation and tonal range. Key Applications 7\SH ILOP · Professional photography proofing · Test shots of less than 1/10 second or with strobe · Scientific imaging (strobe or shorter exposures) Compatible Hardware 3RODSDQ Film Speed ISO 400/DIN 27 · Any instrument or camera equipped with a Model 550 Film Holder · MP-4+ Camera Special Treatment Processing the film for longer than 3 minutes may affect image contrast and density to some extent. [. . . ] If any paste appears, avoid contact with skin, eyes and mouth and keep away from children and animals. If you get some paste on your skin, wipe it off immediately, then wash with water to avoid an alkali burn. If eye contact occurs, quickly wash the area with plenty of water and see a doctor. Keep discarded materials away from children, animals, clothing and furniture. Limited Warranty See information on the film box. "Polaroid" and "Polapan" are trademarks of Polaroid Corporation, Cambridge, MA 02139 USA. Film Data Sheet Technical Data Polapan 400 (black & white peel-apart) T-72 (4x5 sheet), T-572 (4x5 pack) and T-672 (pack) The information below represents the typical performance of Polaroid's Polapan 400 black and white films. Specific film lots may vary. 400/27o 55 seconds at 70oF/21oC Panchromatic 20 - 22 line pairs/mm Medium Recommended speed (ISO) Recommended processing time and temperature Spectral sensitivity Resolution (1000:1) Contrast Characteristic H&D curve for normal, hot and cold development 3 550F/180C 700F/210C 950F/350C 2 Processing time and temperature For best results process at temperatures above 60oF(16oC). o F o C Time in seconds 30 30 30 45 60 90 Exposure Adjustment -2/3 stop -1/3 stop None None None 1/3 stop Sample Density 1 0 -3 -2 Relative Log Exposure -1 0 95 85 75 70 65 55 35 29 24 21 18 13 Characteristic curve for normal, under and over development 3 H&D Curves @ 70oF/21oC 30 sec. 180 sec. At 71o F/21o C: D-Max = 1. 70 D-Min = . 10 Slope = 1. 65 Sample Density 2 D-Max: The density value for the film's darkest black. In prints, the whiteness of the brightest highlight, relative to the unprocessed print. 1 0 -3 -2 -1 0 Slope: The positive ratio of the log E increments of the straight line region of the curve, as determined by the 1/4-3/4 increment method. [. . . ] Spectral Sensitivity: Shows the equivalent energy needed at each wavelength in order to activate the emulsion so that it produces a neutral density of . 75. Speed variation relative to color temperature 3200 K -1/3 stop o 4800 K - o 5500 K - o 6500 K - o 7500 K +1/3 stop o 10, 000 K +1/3 stop o [. . . ]