Polaroid T-990 دليل المستخدم

ملخص المحتوى في الصفحة رقم 1

Film Data Sheet
T-990
Integral Color Print Film
Description
General-purpose, high-speed, medium-contrast, integral film for
high definition instant color prints. It is balanced for daylight and
electronic flash exposure.

Key Applications
• Insurance photography
• Site & construction documentation



• Healthcare documentation
• Law enforcement (domestic violence, child abuse, others)
• Jewelry documentation
• Medical imaging (clinical documentation)
Film Speed
• Manufacturing (ISO

ملخص المحتوى في الصفحة رقم 2

Film Data Sheet Technical Data Spectra Film Family The information in this data sheet represents the typical performance Characteristic H&D curve for of Polaroid’s Spectra film family. normal development However, there may be some 3 variation between film lots. H&D Curves o o @ 70 F/21 C Blue Green Recommended speed: Red 0 ISO/DIN 640/29 2 Recommended processing time and temperature: Approximately 3 minutes 0 0 at 70 F/21 C Balance: Daylight and electronic o flash (5500 K)

ملخص المحتوى في الصفحة رقم 3

Film Data Sheet Technical Data Spectra Film Family Reciprocity law failure A wide range of shutter speeds can be used without loss of film speed or requirements for color filtration. For longer exposure times, some exposure compensation and filtration is suggested. Reciprocity The ability of the film to respond in a Reciprocity Law Failure Blue constant manner to a constant exposure Green 1.8 (light intensity x time). Red 1.6 Reciprocity failure occurs during very long 1.4 or very short e

ملخص المحتوى في الصفحة رقم 4

Film Data Sheet Technical Data Spectra Film Family Spectral Sensitivity Blue 1000 Green Red 100 10 1 0 350 400 450 500 550 600 650 700 Wavelength (nm) 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. Spectral Sensitivity