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18% pelēkā karte
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IerakstsAutors
Publicēts: 24.02.10 14:05 labots
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Padalamies iespaidos, kura ražotāja (Kodak uc.) karti lietojam, plusi/mīnusi utt... vai bieži izmantojam?
Kur Rīgā nopirkt lētāk, vai tomēr pašam izprintēt uz mājas parastā tintes printerīša..? :face-smile:
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Publicēts: 24.02.10 14:17
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ir original kodak karte, otrā pusē krāsu karte. Mēģināju printēt, bet kaukas nebija labi...
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Publicēts: 24.02.10 14:22
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Romis, kad tika meklēta, tad rīgā bija baigās cenas.
pasūtījām toreiz klubam un privāti dažādus modeļus. Starpības nekādas. Iesaku meklēt ebajā un paņemt to kas vizuāli patīk.
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Publicēts: 24.02.10 14:29 labots
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Var pats uztaisīt m-p-b strīpu karti, tik vērtības pareizi jānosaka. Piemēram, balts CS pipetītes mērījumā nebūs visi 255x3. Tas ir maksimums, nevis balts. Tomēr aparāts var būt nekalibrēts vai eksponometrs neprecīzs, un pareizas ekspozīcijas sarēķināšanai punkta režīmā nāktos, teiksim, vienmēr piegriezt + 0,3EV. Vēl jau var mērīt pēc somas oderes, asfalta, delnas, upura sejas utt. vai vienkārši pēc baltas lapas, ar attiecīgu EV korekciju. "Samizdata" versija nederēs perfekcionistiem, bet tie jau tāpat ir nelaimīgi cilvēki.
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Publicēts: 24.02.10 14:40
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Uzsutije no ebaya tur pilns ar vinjam... ir ok... cenas ok.... noder :D
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Publicēts: 24.02.10 14:53
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jap, portretos pēc sejas tā ir darīts:face-grin:
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Publicēts: 24.02.10 14:55
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man taada karte bija liidzi vienai graamatai par fotoshopu. tipa melns, balts un 2 peleeki. Izmeegjinaaju vienu portretu fotografeejot peec pareizas sheemas shopaa ar pipeti kjibinaat un galiigi nesanaaca. parakos infas, visaadi izmeegjinaajos, sapratu ka rokas pa liiku un metu mieru....
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Publicēts: 24.02.10 15:04 labots
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Ui man ir gan standarta Kodak ar melnbalto un krasaino gan vel dazju izmantoju tikai "produktiem" nu tipa priekšmetiem un uzstādijumiem ar precizu krasu vajadzibu. Vienigi ko regulāri izmantoju ir balta lappa ja bildēšana telpās pēc tās korekcijas:) Ja kur nēmu tad agrāk Filmu laikmetā bez viņām bija pagrūti vairums drukātāju prasija lai būtu tādas , visas ir prezentētas Kodak , Agfa , Epson , X-rite :) Pašam visprecīzākā škiet tāda "Monaco Sistems" ražojuma ja runa par krasu niansēm un pelēkā gradācijām:) Bet ta ikdienā KODAK standarta ražojums:)
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Publicēts: 24.02.10 18:06
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Ceru ka tas nau atklajums citiem, ka somas LowePro speciali razho ar pareizo iekshejo apdari peleka krasa. :)
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Publicēts: 24.02.10 18:18
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mmax:Ceru ka tas nau atklajums citiem, ka somas LowePro speciali razho ar pareizo iekshejo apdari peleka krasa. :)

super, paldies, sho fiichu nezinaaju... man taada soma :)
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Publicēts: 25.02.10 13:39
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.. ar ko peleka karte labaka par vienkarsi baltu lapu, ko nofotografe pie attieciga apgaismojuma un pec tam redaktora vai raw convertera pasaka, ka tas ari ir domats balts?
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Publicēts: 25.02.10 13:52
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art-foto:.. ar ko peleka karte labaka par vienkarsi baltu lapu, ko nofotografe pie attieciga apgaismojuma un pec tam redaktora vai raw convertera pasaka, ka tas ari ir domats balts?

Tapec ka no balta parak atspid.
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Publicēts: 25.02.10 14:07
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art-foto:.. ar ko peleka karte labaka par vienkarsi baltu lapu, ko nofotografe pie attieciga apgaismojuma un pec tam redaktora vai raw convertera pasaka, ka tas ari ir domats balts?


ar pelēko karti to var paveikt precīzāk.
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Publicēts: 26.02.10 14:06
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.. ko TO? Vienigais, ko speju iedomaties, ir noteikt precizaku ekspoziciju, kaut ari parasta "neprofesionala" metode ir nomerit baltu lapu un par 1,5 stopiem (trim klikskiem) pagriezt vala diafragmu..
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Publicēts: 26.02.10 15:39
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art-foto:.. ko TO? Vienigais, ko speju iedomaties, ir noteikt precizaku ekspoziciju, kaut ari parasta "neprofesionala" metode ir nomerit baltu lapu un par 1,5 stopiem (trim klikskiem) pagriezt vala diafragmu..

Visie eksponometri ir rekjinati uz 18% karti.
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Publicēts: 26.02.10 15:51
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mmax:Ceru ka tas nau atklajums citiem, ka somas LowePro speciali razho ar pareizo iekshejo apdari peleka krasa. :)


Skrienu pie somas :D
Izlīdzējos ar printerī izdrukātu aprakstītu lapu, tas veido ap 20% pelēkā... ar rokas balansu sanāca labi :)
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Publicēts: 26.02.10 16:12
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Haiduks:
mmax:Ceru ka tas nau atklajums citiem, ka somas LowePro speciali razho ar pareizo iekshejo apdari peleka krasa. :)


Skrienu pie somas :D
Izlīdzējos ar printerī izdrukātu aprakstītu lapu, tas veido ap 20% pelēkā... ar rokas balansu sanāca labi :)


Tad jau labak nopirkt vien reiz atstarotaju mazinjo , kuram otra puse 18% peleka krasa. Man liekas kadus 6 latus maksa.
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Publicēts: 01.03.10 11:45
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vispār mūsdienās digitālajā foto aktuālākas ir 25% pelēkās kartes... ar filmiņām 18%...
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Publicēts: 01.03.10 12:44
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Expodisc Digital Pro Portrait 67 u.c.:face-smile:
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Publicēts: 01.03.10 13:08
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Luxferre:vispār mūsdienās digitālajā foto aktuālākas ir 25% pelēkās kartes... ar filmiņām 18%...

Katram Brendam savs eksponometra gljuks. Bet vispar standartu neviens nau mainijis. Citiem brendiem tas tiesham efektivaks, bet kopuma paliek 18% . Uz WB tas neattiecas.
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Publicēts: 01.03.10 14:05 labots
 citēt
mmax:
Luxferre:vispār mūsdienās digitālajā foto aktuālākas ir 25% pelēkās kartes... ar filmiņām 18%...

Katram Brendam savs eksponometra gljuks. Bet vispar standartu neviens nau mainijis. Citiem brendiem tas tiesham efektivaks, bet kopuma paliek 18% . Uz WB tas neattiecas.


Man ir basiccolor pelēkā karte. www.colourmanagement.net...

mmax gudriniekam palasīties... ;)


For all these reasons the basICColor gray card is perfectly suited as a reference for gray and lightness comparisons for all systems used in digital photography, especially in combination with the Color
Solutions desktop background.
- White balance of digital cameras for profiling and shooting
- Exposure meter (digital via color picker with profile active, analog with correction factor)
- Lightness setting of viewing booth and monitor (visually and instrumented)
- Light meter for adaptation of color temperature between monitor and viewing booth
- visual check of monitor calibration
The basICColor gray card was developed with the production principles of the ECI in mind (more free information under www.ECI.org ). From there you can download the working space eciRGB which is based on a gamma of 1.8. The more advanced version of a working space, LStar-RGB, can be downloaded from www.LStar-RGB.com . LStar is also the tonal response curve, monitors for imaging work should be calibrated to. It allows for a harmonic distribution of grayscales in accordance with the human perception, and detail in midtones and highlights. A detailed survey regarding the usability of different working spaces can be found at www.LStar-RGB.com .
At these workstations and in imaging programs you should choose a midtone gray (R=G=B=153) for a desktop background. This kind of gray equals L*=60 under an LStar calibration. This kind of lightness is best suited for checking the gray representation of your monitor, since color casts are more irritating in light and midtone grays than in dark tones. For Gamma 1.8 settings see www.LStar-RGB.com

These are the reasons why the basICColor gray card for use in digital photography and pre press has a remission factor of 25%. This equals a midtone gray of L*=60. Gray cards made for conventional aperture metering (e.g. Kodak gray card) have a remission factor of 18% which equals a colorimetric midtone gray of L*=50. This value is stored in aperture meters as a reference for object measurements. For conventional aperture meters, an exactly neutral grey without metameric failure is of minor importance.
If you should intend to use the basICColor gray card for conventional aperture meters, you need to apply a correction factor of 1/2 f-stop. In digital photography the color picker should show values of 125 to 130 (R=G=B) in eciRGB or 150 to 155 in LStar-RGB.
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Publicēts: 01.03.10 14:28
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Luxferre:
mmax: Katram Brendam savs eksponometra gljuks. Bet vispar standartu neviens nau mainijis. Citiem brendiem tas tiesham efektivaks, bet kopuma paliek 18% . Uz WB tas neattiecas.


Man ir basiccolor pelēkā karte. www.colourmanagement.net...

mmax gudriniekam palasīties... ;)


For all these reasons the basICColor gray card is perfectly suited as a reference for gray and lightness comparisons for all systems used in digital photography, especially in combination with the Color
Solutions desktop background.
- White balance of digital cameras for profiling and shooting
- Exposure meter (digital via color picker with profile active, analog with correction factor)
- Lightness setting of viewing booth and monitor (visually and instrumented)
- Light meter for adaptation of color temperature between monitor and viewing booth
- visual check of monitor calibration
The basICColor gray card was developed with the production principles of the ECI in mind (more free information under www.ECI.org ). From there you can download the working space eciRGB which is based on a gamma of 1.8. The more advanced version of a working space, LStar-RGB, can be downloaded from www.LStar-RGB.com . LStar is also the tonal response curve, monitors for imaging work should be calibrated to. It allows for a harmonic distribution of grayscales in accordance with the human perception, and detail in midtones and highlights. A detailed survey regarding the usability of different working spaces can be found at www.LStar-RGB.com .
At these workstations and in imaging programs you should choose a midtone gray (R=G=B=153) for a desktop background. This kind of gray equals L*=60 under an LStar calibration. This kind of lightness is best suited for checking the gray representation of your monitor, since color casts are more irritating in light and midtone grays than in dark tones. For Gamma 1.8 settings see www.LStar-RGB.com

These are the reasons why the basICColor gray card for use in digital photography and pre press has a remission factor of 25%. This equals a midtone gray of L*=60. Gray cards made for conventional aperture metering (e.g. Kodak gray card) have a remission factor of 18% which equals a colorimetric midtone gray of L*=50. This value is stored in aperture meters as a reference for object measurements. For conventional aperture meters, an exactly neutral grey without metameric failure is of minor importance.
If you should intend to use the basICColor gray card for conventional aperture meters, you need to apply a correction factor of 1/2 f-stop. In digital photography the color picker should show values of 125 to 130 (R=G=B) in eciRGB or 150 to 155 in LStar-RGB.

Katram fototehnikas razhotajam atskiras eksponoetrija fotoaparatos. Vienam var but bus labi 18% , citam bus 25% labi.
Bet ka standarts , visiem eksponometrs ir domats darbibai ar 18% karti. Tas ir standartizets lai nebutu problemas gan amatieru gan profi fotografiem.
Es vispar nelietoju kartes jo es ar Jpeg nedraudzejos.
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Publicēts: 01.03.10 14:37
 citēt
mmax:
Luxferre:
Man ir basiccolor pelēkā karte. www.colourmanagement.net...

mmax gudriniekam palasīties... ;)


For all these reasons the basICColor gray card is perfectly suited as a reference for gray and lightness comparisons for all systems used in digital photography, especially in combination with the Color
Solutions desktop background.
- White balance of digital cameras for profiling and shooting
- Exposure meter (digital via color picker with profile active, analog with correction factor)
- Lightness setting of viewing booth and monitor (visually and instrumented)
- Light meter for adaptation of color temperature between monitor and viewing booth
- visual check of monitor calibration
The basICColor gray card was developed with the production principles of the ECI in mind (more free information under www.ECI.org ). From there you can download the working space eciRGB which is based on a gamma of 1.8. The more advanced version of a working space, LStar-RGB, can be downloaded from www.LStar-RGB.com . LStar is also the tonal response curve, monitors for imaging work should be calibrated to. It allows for a harmonic distribution of grayscales in accordance with the human perception, and detail in midtones and highlights. A detailed survey regarding the usability of different working spaces can be found at www.LStar-RGB.com .
At these workstations and in imaging programs you should choose a midtone gray (R=G=B=153) for a desktop background. This kind of gray equals L*=60 under an LStar calibration. This kind of lightness is best suited for checking the gray representation of your monitor, since color casts are more irritating in light and midtone grays than in dark tones. For Gamma 1.8 settings see www.LStar-RGB.com

These are the reasons why the basICColor gray card for use in digital photography and pre press has a remission factor of 25%. This equals a midtone gray of L*=60. Gray cards made for conventional aperture metering (e.g. Kodak gray card) have a remission factor of 18% which equals a colorimetric midtone gray of L*=50. This value is stored in aperture meters as a reference for object measurements. For conventional aperture meters, an exactly neutral grey without metameric failure is of minor importance.
If you should intend to use the basICColor gray card for conventional aperture meters, you need to apply a correction factor of 1/2 f-stop. In digital photography the color picker should show values of 125 to 130 (R=G=B) in eciRGB or 150 to 155 in LStar-RGB.

Katram fototehnikas razhotajam atskiras eksponoetrija fotoaparatos. Vienam var but bus labi 18% , citam bus 25% labi.
Bet ka standarts , visiem eksponometrs ir domats darbibai ar 18% karti. Tas ir standartizets lai nebutu problemas gan amatieru gan profi fotografiem.
Es vispar nelietoju kartes jo es ar Jpeg nedraudzejos.


JPEG dažreiz noder - bildējot sportu, piemēram. Tad ir vērts pirms šūta veikt pareizos iestatījumus :)
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Publicēts: 01.03.10 14:38 labots
 citēt
mmax:
Katram fototehnikas razhotajam atskiras eksponoetrija fotoaparatos. Vienam var but bus labi 18% , citam bus 25% labi.
Bet ka standarts , visiem eksponometrs ir domats darbibai ar 18% karti. Tas ir standartizets lai nebutu problemas gan amatieru gan profi fotografiem.
Es vispar nelietoju kartes jo es ar Jpeg nedraudzejos.

Tā arī neko neesi sapratis... nu labi...
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Publicēts: 01.03.10 14:39
 citēt
Romis:
mmax: Katram fototehnikas razhotajam atskiras eksponoetrija fotoaparatos. Vienam var but bus labi 18% , citam bus 25% labi.
Bet ka standarts , visiem eksponometrs ir domats darbibai ar 18% karti. Tas ir standartizets lai nebutu problemas gan amatieru gan profi fotografiem.
Es vispar nelietoju kartes jo es ar Jpeg nedraudzejos.


JPEG dažreiz noder - bildējot sportu, piemēram. Tad ir vērts pirms šūta veikt pareizos iestatījumus :)

Dazhreiz telefona fochiks ari noder.
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Publicēts: 01.03.10 14:41
 citēt
Luxferre:Tā arī neko neesi sapratis... nu labi...

Es sapratu. Bet pamegjini par to parunat ar canon nikon un tl razhotajiem.
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Publicēts: 01.03.10 14:42
 citēt
Luxferre:
mmax:
Katram fototehnikas razhotajam atskiras eksponoetrija fotoaparatos. Vienam var but bus labi 18% , citam bus 25% labi.
Bet ka standarts , visiem eksponometrs ir domats darbibai ar 18% karti. Tas ir standartizets lai nebutu problemas gan amatieru gan profi fotografiem.
Es vispar nelietoju kartes jo es ar Jpeg nedraudzejos.

Tā arī neko neesi sapratis... nu labi...


varbūt paskaidrosi?
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Publicēts: 01.03.10 14:44
 citēt
Romis:
Luxferre: Tā arī neko neesi sapratis... nu labi...


varbūt paskaidrosi?

Prieksh kam seu dzivi sarezhgjinat, ja var fochet RAWos?
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Publicēts: 01.03.10 14:45
 citēt
mmax:
Romis:
JPEG dažreiz noder - bildējot sportu, piemēram. Tad ir vērts pirms šūta veikt pareizos iestatījumus :)

Dazhreiz telefona fochiks ari noder.


Tu takš ar jpeg nedraudzējies, a te pēkšņi telefotokamera :)
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Publicēts: 01.03.10 14:46
 citēt
Romis:
mmax: Dazhreiz telefona fochiks ari noder.


Tu takš ar jpeg nedraudzējies, a te pēkšņi telefotokamera :)

Nau tada telefona, kursh ar RAW draudzejas.
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Publicēts: 01.03.10 14:49 labots
 citēt
mmax:
Luxferre:Tā arī neko neesi sapratis... nu labi...

Es sapratu. Bet pamegjini par to parunat ar canon nikon un tl razhotajiem.



Ar viņiem viss ir kārtībā... :D un šķiet ka nesaprati gan...
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Publicēts: 01.03.10 14:56 labots
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Koroche - TIEM kam nesanaak (un varbuut labi ka nesanaak) tiem arii ar peleeko karti nesanaaks.
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Publicēts: 01.03.10 15:13 labots
 citēt
Pelēkās kartes lietošana mūsdienu fotogrāfijā nenozīmē tikai pliku ekspozīcijas mērīšanu...

bet visā visumā tas viss pupu mizas... :D
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