Trichrome photography by Sergei Mikhailovich Prokudin-Gorskii
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Trichrome is the process of using black and white film, one image taken with a red filter, green filter and blue filter. Then some processing needed.
Digitally composed from 4 blac&white negative film scans in GIMP. Here is MY PROBLEM: could someone refer to me what are the optimal color assignment and blending modes in GIMP? I cannot really say at this point if I used "screen" or "additive light", for each layer and overall, and any way this made the upper right corner of the picture quite much blown out of proportion despite the negatives (and their scans) holding relatively good detail in that area. I was trying to play with curves in each layer, but while the situation improved, it did not reach my liking. I am very much GIMP naive, but I have also not used Photoshop extensively at any point - therefore, I am layer workflow naive. I guess that this is the beginning of a learning journey for me.
Minolta Maxxum 7
Sigma 35mm f1.4 DG HSM Art
4 negatives of ADOX HR-50
1st: 2x NISI natural night & Landscape C-PL filters (the only blue I had) - after this one, the tripod head shifted, so it was most difficult to align, which did not succeed completely
2nd: B+W Yellow & NISI PRO-C-PL filters
3rd: 580nm (light red) IR pass filter
4th: 720nm IR pass filter
Developed in Kodak X-TOL in Tromsøfotoklubb, camera scanned with JJC film holder and SAD lamp.
Trichromatic photography is the process of taking three identical black and white photos (film), each taken with a different color filter (red, green, and blue), and then combining the three photos to create a color image. This is how it was done before color film arrived.
Trichrome image of Happisburgh lighthouse, Foma 100 b&w film.
3 exposures, red filtered (105sec), green & blue (45sec each).
fearnphoto 45A // RealitySoSubtle 0.4mm pinhole // Fomapan 100, +1 dev, Rodinal 1+50.
Infrared RGB Trichrome using Rollei IR 400 and hoya RGB filters to emulate discontinued Kodak Aerochrome,
Stand dev in Rodinal 1:100 for 70 mins.
Fujica gw690ii + 90/f3,5
Rollei IR 400 + hoya R72
Hoya RGB filters
Sorry if this clashes with your group rules**
6x6 pinhole trichrome of my favourite tree
The process:
3 x b&w negatives
Dev'ed & Scanned
Composited into Trichrome in software
Sent to phone
Printed on Polaroid Lab
Emulsion lifted
Emulsion placed on paper
Scanned
Uploaded to socials...
Why? Just because :)
Correct colour for the plant (which is called Little Ruby) but the background and leaves in shadow don't look right. More experimentation is in order.
Film stock: Kodak Vision 2383 Color Cine Print Film
ISO: 3-6
Format: 135
Camera: Pentax P30
Lens: SMC-PentaxA 50mm F1.4
Filter: Blue, Green, Red
Developer: Caffenol C-L (minus restrainer)
Time: 35 min @ 20 degC semi-stand
[First image to be explored - 13th April 2023 @#490 www.flickr.com/explore/2023/04/13]
RGBY
Nikon F75
AF Nikkor 80-200mm 4.5-5.6 D
Rollei Retro 400s
R72 filter - red channel
red filter - green channel
green filter - blue channel
night (no filter) - yellow channel
The light changed a lot during the exposures for this #pinhole #trichrome image!
No 💩 Sherlock.
No easy way of balancing your way out of this one. I made it, so you have to see it 😁
this is the wheel that lives at the coffee shop.
shot at night, four minutes of exposure total — red 1m, green 1m, blue 2m.
frederick coffee company, frederick, md.
acros@80, hc110b 4.5' ~20c
pentax mx
RGB Trichrome
Nikon F75
AF Nikkor 80-200mm 4.5-5.6 D
Rollei Retro 400s
R72 filter - red channel
red filter - green channel
green filter - blue channel
mamiya 6MF 75mm f/3.5 + fuji acros 100 + 6-stop ND filter + red 29, green 58 & blue 47 filters. color trichrome photo created by combining three B+W exposures shot with colored filters to create a "RGB" image: lab: the icon, los angeles, ca. scan: epson V750. exif tags: lenstagger.
Canon F1 - Canon FD 2/28mm / Agfaphoto APX 400 3 photos taken with red, green and blue filter
developed in Adox XT3/ 20°/ 12 min, fixed with Amaloco Proffixx, scanned with Epson Perfection 2440 and composed in GIMP
Another image for #wppd2022. Trichrome pinhole image of my favourite tree
RSS 6x6
Ilford HP5
3 RGB exposures
Trichrome during a heavy overcast day, light rains & LOTS of mosquitoes.
Fujica gw690ii + 90/f3,5
Rollei IR 400 + hoya R72
Hoya RGB filters
Dev in Hc110 1:31 for 6.5 mins.
Pentax LX, smc Pentax Shift 1:3.5 28mm, f/8, Göttinger Farbfilter no. 681, 682 and 683
Ilford Delta 400 film/Jobo Alpha developer
Exakta Varex IIB/ Agfaphoto APX 100@200/ Adox XT3 20°/ 13:45/ Amaloco Proffixx/ Scan Epson Perfection 2440/ mit RGB Filter/ composed in GIMP
Saturday morning before all people comes into the city
Sydney. January 2023. Instax Square Monochrome. Nons Camera SL660 + Canon LTM 50/1.4 + Cokin filters.
Rollei IR 400
Fujica gw609ii + 90mm
HC110 @20 for 6.5 mins
trichrome, rain clouds, low light and contrast.
This local church is very handy test subject. It very picturesque and we get good Trichrome skies quite often. Great for experimenting with cameras, film, filters and exposure lengths
Bus trail (JE13 LJE www.flickr.com/photos/130810902@N08/54328901591)
Terminus Rd, Eastbourne, East Sussex, UK
Harris Shutter Effect/Colour Separation/Trichrome from 30fps video
CMYK Risograph panoramic pinhole trichrome print
RSS 6x17 pinhole
Ilford FP4 (x3 exposures)
RGB filters
CMYK (4 layer) Risograph
Trichrome photography involves taking three exposures of the same subject on black and white film. Each exposure is taken through a red, green or blue filter. Using a Zeiss Ikon Contaflex Super BC 35mm camera, I took three photos of the scene on black and white film (Kentmere Pan400) with a red, green or blue filter in front of the lens. The three images were deliberately misaligned in camera, assembled in Photoshop Elements.
TRichrome image made from three photos taken on black and white film using a Vivitar Ultrawide and Slim camera, with red, green and blue filters in front of the lens.
Canon A-1/ Agfaphoto APX 400, three photos with with red, green and blue filter/ developed in Adox XT3/ 20°/12 min./ scan with Epson Perfection/ composed with GIMP
3 separate black and white photographs with color filters merged together in photoshop.
Rollei RPX 25, HC-110
Minolta X-700 - Vivitar Auto Macro 55 2.8 - Ilford HP5+ @ 800 - Rodinal 1+50 - dslr "scan"
sharpening set to zero
Exakta Varex IIB/ Ilford Pan 400/ Adox XT3 20° - 9 Minuten/ Amaloco Proffix
three pictures taken with, red, blue and green filter composing of the photos in gimp 3.0
my first trichrome picture. taking the photos is easy, the working with the computer not...
After reading an article about trichromatic photography I realized that I had to try it. It's a technique of creating a color image from three black and white shots using green, red, and blue filters separately, then overlaying each in photoshop assigning each to the appropriate color channel.
Even though this subject wasn't the best choice since the water is always in motion I went for it using my long neglected Mamiya RZ67 and Fomapan 100.
Trichome image made using Kentmere 100 in a Chroma Camera Cube 135 pinhole camera.
These negatives are 24x24mm
Trichrome composite photograph using a Holga 120N and the Holga filter set on Kodak TMax 100 Black and White Film.