I'm starting a new project soon that will involve shooting interiors with Portra 400 sheet film and flash. Prints will be RA4. I checked the color temperature of my flash and found that it varies from about 4400K to 4800K depending on the output. The meter suggests using an 82A or 82B cooling filter to balance the flash light. The specs for portra 400 suggest no filtration for daylight or flash. I'm wondering if 4400K to 4800K is close enough to the 5500K this film is presumably calibratred for? Is it impotant to filter in this case? Thanks in advance for your advice...
No. 4400K is halfway between daylight (5500K) and incandescent light (3200K).I'm wondering if 4400K to 4800K is close enough to the 5500K this film is presumably calibratred for?
It's difficult to get a consistent color temperature reading.I'm wondering if it's my color meter. My metz 45CL4 comes in at about 4800K......
If that's really the only issue, you could correct it inexpensively using Rosco gels over the strobe heads.Oh, forgot to mention one more thing. My Minolta suggests no magenta/green filtration but about -30 mired red/blue filtration for the speedotron flash heads.
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