Westinghouse H840CK15 with RCA 15GP22 1953 NTSC extended color gamut phosphors.
Wayne B. here at VideoKarma forum suggested we try rendering photos in TIFF file format to show 1953 NTSC extended color gamut color phosphors. Unlike JPEG, TIFF is an uncompressed format, that captures the full dynamic range of the photo and the photographer adjusts the color and light values. It’s similar to video monitor or television color calibration. Calibration is done to reduce clipping, crushed blacks, adjust grey scale, color balance, luminosity, white balance and gamma. Sorted out the problem we had and needed an SD card reader to transfer TIFF files from our Sony A6300 to iPad Pro 2 with wide color gamut P3 display. We have improved results over the iPhone X and edited the TIFF files with the professional Affinity Photo editor similar to Photoshop. Some of these photos were not edited at all, straight out the camera.
I can say that the greens are rendered as I see them on the 15GP22 with the movie, Wizard Of Oz. With JPEG, the greens were muted. The reds are deeper, but I can’t say with authority they are 1953 NTSC correct. Images were photographed with the Sony A6300, rendered in Tiff 16 bit, color space P3 to match the color profile on my iPad, edited where necessary, and converted to JPEG or PNG to reduce the enormous file sizes of TIFF which are over 110 MB’s.
Since the files were converted back to Jpeg they should display properly on an sRGB monitor, although you may not see the extended color rendering. If you see distortion or artifacts, I’d like to know. Having fun with this.
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