Black & White Conversion · Black & White Conversion • DO NOT DO in-camera monochrome conversion...
Transcript of Black & White Conversion · Black & White Conversion • DO NOT DO in-camera monochrome conversion...
![Page 1: Black & White Conversion · Black & White Conversion • DO NOT DO in-camera monochrome conversion – only uses red channel, throws away 2/3 of your data (blue and green channels)](https://reader034.fdocuments.net/reader034/viewer/2022051923/6010dcf78c823031a411c4e3/html5/thumbnails/1.jpg)
Black&WhiteConversion
Introduc)ontoPhotoshop
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Lectureoutline
• Blackandwhiteconversion• Duo/Tri/Quadtones
• Note:theserecipesarefromTheAdobePhotoshopCS5BookforPhotographersbyScoFKelby
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Black&WhiteConversion
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Black&WhiteConversion
• ExcludingACRandthirdpartyplug-ins,thereare8waystoconvertanimagefromcolortoblack&whiteinPhotoshop
• Ofthethirdpartyplug-ins,NikSilverEffectsProisconsideredtobethestandardinconver)ngcolortoblackandwhite– TopazLabsalsomakesablackandwhiteplug-in,asdoesOnOnesoSware.
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Black&WhiteConversion
• DONOTDOin-cameramonochromeconversion–onlyusesredchannel,throwsaway2/3ofyourdata(blueandgreenchannels)
• Trueblack&whiteisaninterpreta)ononhowallthreechannels(red,green,blue)interactwitheachother
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Black&WhiteConversion
• Destruc)ve– Converttograyscale– Gradientmap– Desatura)on
• Non-Destruc)ve– CopyLightnesschannel*– Gradientmapadj.layer– Hue/Satura)onadj.layer– Channelmixeradj.layer– Black&whiteadj.layer
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Black&WhiteConversion
• Destruc)ve– Grayscaleconversion– Menu:
• Image→Mode→Grayscale
– Throwsawayallcolordata
– MaygiveyouanOKblack&whiteimage,mostofthe)methoughitresultsinaflat(lowcontrast)image
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Black&WhiteConversion
• Destruc)ve– Gradientmap– Menu:
• Image→Adjustments→Gradientmap
• Selectblacktowhitegradient
– Mapsblacktoshadows,whitetohighlights
– Doesafairlygoodquickblack&whiteconversion,butisdestruc)ve
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Black&WhiteConversion
• Destruc)ve– Desaturate– Menu:
• Image→Adjustments→Desaturate
• [shiS]+[cmnd/ctrl]+u
– Removescolors– Destruc)ve,slightlyflat(lowcontrast)image
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Black&WhiteConversion
• Non-destruc)ve*– Lightnesschannel(Lab)– Menu:
• Image→Mode→Labcolor
• CopyLightnesschannel– Throwsawayallcolordata
– GivesabeFerblack&whitethangrayscale(notasflat),s)llthrowingawaycolordata
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Black&WhiteConversion
• Non-destruc)ve– Gradientmapadj.layer– Menu:
• Layer→NewAdjustmentLayer→GradientMap
• Selectblack&whitegradient
– Adjustmentlayer:non-destruc)ve,haslayermask
– Iden)caltoGradientMap
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Black&WhiteConversion
• Non-destruc)ve– Hue/Satura)onadj.layer– Menu:
• Layer→NewAdjustmentLayer→Hue/Satura)on
• Takesatura)onsliderto-100
– Adjustmentlayer:non-destruc)ve,haslayermask
– Abletoadjustindividualchannelsforsatura)on&lightness
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Black&WhiteConversion
• Non-destruc)ve– Channelmixeradj.layer– Menu:
• Layer→NewAdjustmentLayer→ChannelMixer
– Adjustmentlayer:non-destruc)ve,haslayermask
– Abletoadjustred,greenbluechannelsforamountineach(sum≠100)
– ClickMonochrometogetblack&white
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Black&WhiteConversion
• Non-destruc)ve– Black&whiteadj.layer– Menu:
• Layer→NewAdjustmentLayer→Black&White
– Adjustmentlayer:non-destruc)ve,haslayermask
– Abletoadjust6channels(red,blue,green,yellow,cyan,magenta)from-200to+300
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Duo/Tri/Quadtones
• Richerblackandwhitesareavailablebydoingduo/tri/quadtoneimages
• Convertimagetoblack&whiteusingtheGradientmapmethod
• ConverttoGrayscale(havetogotograyscaletogettoduotones)– Menu:Image→Mode→Grayscale– FlaFenanylayers,discardcolorinfo
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Duo/Tri/Quadtones
• ConverttoDuotones– Menu:Image→Mode→Duotone
• Defaultstomonochrome(Black)• Fromdrop-downmenupickcombina)ons:– Bl5415145773(Quadtone)– 478Brown(100%)bl4(Duotone)– BlWmGray7WmGray2(Tritone)– WmGray11bl2(Duotone)
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Duo/Tri/Quadtones
• Whatyougetreallydependsupontheimage;differentimageswilllookdifferentwiththesamemix.Experiment.
• Whendone,changebacktoRGBcolor– Menu:Image→Mode→RGBColor