Portra 400 reciprocity chart

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August undefined, 2024

WebMar 24, 2024 · Alongside the Portra films, Ektar is one of the most popular films on the market and definitely one of the most used color films out there. The film is well-known for its fine grain, vivid color saturation and poppy contrast. ... In regard to reciprocity failure, our experience with Ektar has been pretty good. Kodak’s data sheet for the film ... WebMay 16, 2024 · Using Portra 400, I wanted to retain a bit more saturation for this landscape scene so I average metered the foreground at 320 and shot just like that. ... Portra does not have very good reciprocity characteristics, so when my meter reads a 30 second exposure I double it and go for a minute. If things get much longer than that you’ll have to ...

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WebThe data sheets says "not before 1 second, and maybe after that", but the Big Honkin' List of B&W and Color tables from 2002 says "No" below 10 seconds, and NR (which I assume is … 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 … phone call on laptop windows 11

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WebAug 1, 2024 · Long story short, Portra 400 ‘s exposure tolerance is significantly better than UltraMax 400. In shooting UltraMax, overexposure results in color shifts where as Portra tends to maintain colors and highlights when it is overexposed. These color shifts are more apparent when you have a low key lit image. After scanning, I would say that Portra ... http://ueberlicht.com/wordpress/wp-content/uploads/2012/08/Reciprocity-Failure-Charts-Ueberlicht.pdf WebSep 17, 2024 · I used this graph by Isaac Sachs to reference Kodak Portra 160 & 400 to calculate how much time I would need to extend my exposures. For Portra 400 reciprocity … phone call on teams

What is reciprocity failure data for Kodak color negative films?

Portra 160 and 400 Reciprocity Failure - Large Format

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 LOG SENSITIVITY 0.0 * 1.0 2.0 3.0 4.0 E7023B Spectral-Dye-Density Curves Process: C-41 Minimum Density Midscale Neutral and D-min. Typical densities for a midscale neutral subject 700 2.5 1.5 2.0 0.5 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 … phone call on tabletWebNov 28, 2024 · Since 1998, Portra 400 has evolved from "VC" and "NC" into what we know it as now. The two other film stocks in the Portra lineup, 160 and 800, offer similar color … how do you know if your hamster is dying

"WebThis is a table of reciprocity correction for Fomapan 100 b+w film, based on a published reciprocity failure calculation. Such calculations are always approximations to reality so use these as guidelines. There is another correction table floating around the internet that lists corrections for indicated exposures from 1 sec to 100 secs linearly ... " - Portra 400 reciprocity chart

Portra 400 reciprocity chart

Bergger Pancro 400 Reciprocity Characteristics - large format …

WebApr 19, 2024 · Kodak Portra 400 Overview: Kodak Portra 400 is an extremely versatile professional film available in 35mm and 120. It loves light and handles highlights and detail retention extremely well. Rating at ISO 200 and metering for the shadows or midtones will give beautiful, warm colors and natural skin tones. You can pick up some Kodak Portra … WebJan 3, 2011 · Posts about kodak portra 400 reciprocity written by EveNSteve. Skip to content Skip to navigation. Figital Revolution A Maverick Manifesto for the 21st Century Photograher. kodak portra 400 reciprocity Kodak Portra 400 Pinhole Reciprocity Test. by EveNSteve January 3, 2011. Kodak Portra 400 at EI 100 60 Seconds Pinhole Test https: ...

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WebJan 19, 2024 · The Superia exhibits a rather moderate reciprocity failure. If you have to expose longer than one minute, you should add one stop of light. Compared to Kodak … 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 …

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. WebFeb 26, 2024 · Kodak´s official Reciprocity Diagram ends at 100sec measured time (1,40min). Thankfully the friendly support of Kodak, provided me with “P factors” so you …

http://ueberlicht.com/wordpress/wp-content/uploads/2012/08/Reciprocity-Failure-Charts-Ueberlicht.pdf WebAs expected, the film's reciprocity characteristics follow a power law. The result was a correction factor of 1.36 (i.e. Corrected Exposure Time = Metered Exposure Time ^ 1.36), determined using a least-squares linear regression of log exposure time. Pancro 400 appears to have at least a stop of latitude in both directions, which makes Bergger ...

WebReciprocity Failure Charts FUJI FUJI VELVIA 100 F FUJI SUPERIA 100 / 400 FUJI NPS 160 Measured f-stop 22 Pinhole f200 Measured f-stop 22 Pinhole f200 Measured f-stop 22 …

WebMay 15, 2024 · The original Portra 400 recipe is one of the most frustrating recipes I’ve created, but it also produces great results sometimes. The new Portra 400 recipe is a little … how do you know if your hamster is sadWebMar 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: … phone call on whatsapp on iphoneWebJul 30, 2024 · For example, Kodak Portra 400 can be shot at ISO 400 in daylight, but works like an ISO 100 film under tungsten street lamps. ... or f/4 and 1/250th. But with film, reciprocity breaks down when exposure times are longer than one second. Reciprocity failure happens because there is less energy carried per unit of low-intensity light. So the … how do you know if your hamster is sickWebJul 27, 2024 · Compared with Portra 160, Portra 800, Fujifilm Pro 400H, and Cinestill 800T, four of the most popular films available in 120, Portra 400 has been far and away a more popular search term worldwide ... phone call outlineWeb5 rows · KODAK PROFESSIONAL PORTRA 400 Film KODAK PROFESSIONAL PORTRA 400 is the world's finest grain ... how do you know if your hamster is stressedWebJun 8, 2024 · It's hard to overexpose Portra, so err on the side of a generous exposure. This is what I'd do personally, without wasting whole films on test exposures: Between 2 seconds and 10 seconds; give half a stop more, or 1.5 x the metered time. Between 10 seconds and 60 seconds; open up one stop or double the exposure. phone call overhaul mod how do you know if your harley is overheating