WebDec 4, 2024 · December 4, 2024. Kodak Portra 400 is the perfect film choice for exceptional blue hour exposures. Blue hours is the time of the day, pre-sunrise or post-sunset, when the sun settles below the horizon before the sky goes dark. You know it's blue hour because everything takes on a subtle blue tint. During this time, the light is soft and quickly ... WebApr 29, 2002 · No filter correction or exposure compensation is required for PORTRA. 160NC/VC and 400NC/VC Films for exposures from 1/10,000 second to 10. seconds. For PORTRA 800 Film, no adjustments are required for. exposures from from. 1/10,000 second to 1 second. For critical applications with longer. exposure times, make tests under your …
Portra 160 and 400 Reciprocity Failure - Large Format
WebI was talking to Peter Gomena last month about his experiences with Portra sheet film in pinhole cameras and he said he'd found some good data on Portra's reciprocity failure but that he hadn't had much chance to test it himself. Surprisingly, the reciprocity failure for 160 and 400 seem to follow the exact same curve. I put the data into Excel and cleaned it up a … WebReciprocity and Special Filter Data for KODAK Films The reciprocity law states that the intensity of light falling on a photographic film multiplied by the exposure time equals the … early history of richland county ohio
Reciprocity Plus on the App Store
WebKODAK PROFESSIONAL PORTRA 400 Film The world’s finest grain high-speed color negative film Available in 36 /135, 120 (pro pack), 4x5, 4x10, 5x7, 8x10, 11x14, 20x24. At … Web250 300 350 400 450 500 550 600 650 700 750 *Sensitivity = reciprocal of exposure (erg/cm ) required to produce specified density WAVELENGTH (nm) 2 Spectral-Dye-Density Curves Minimum Density Midscale Neutral and D-min. Typical densities for a midscale neutral subject 700 2.5 1.5 2.0 0.5 DIFFUSE SPECTRAL DENSITY 1.0 600 WAVELENGTH (nm) 400 … WebMar 7, 2011 · Anyone have a chart or information on reciprocity corrections for the new Kodak Portra 400? Also, how about pushing to 800 or 1600 ISO? Anyone tested... Enabled: Analog. Hybrid. Digital. Online: 5,237. ... New Portra 400 - Reciprocity charts & push/pull? A. Thread starter Jeff Bannow; Start date Mar 5, 2011; Latest Gallery. A. cst morning