COLOUR CORRECT IMAGES USING A GREY CARD

COLOUR CORRECT IMAGES USING A GREY CARD

USING A GREY CARD TO COLOUR BALANCE IMAGES

A grey card is an item of equipment that every photographer should carry in there kit bag. This enables the photographer to have the correct white balance for the light that they are shooting their images under.

My choice is the XRITE Colour Checker Passport.

This piece of equipment works well with a RAW photo workflow. It has a grey card and two sets of colour swatches in a robust plastic case.

Picture of XRITE Grey Card Colour Checker Passport

Colour Checker Passport

Picture of XRITE Grey Card Colour Checker Passport

XRITE Colour Checker Colour Swatches

Picture of XRITE Grey Card Colour Checker Passport

XRITE Colour Checker Grey Card

 

 

 

 

 

 

 

 

 

 

 

 

 

HOW TO USE THE XRITE COLOUR CHECKER PASSPORT

The white balance you set by using the lighting conditions your working under. Take a photo of the grey card under that light by getting as much as you can of the card in the lens space. Going into the cameras menu, set a custom white balance (see your cameras instruction manual).

You photograph the colour swatches next. You imported the image into Photoshop CC and create a DNG colour profile. Your created DNG profile is then used for all the images under the same light conditions you created the custom WB in. This cuts the guesswork out of colour in an image.

You can proceed to take your images under the same lighting conditions.

USING SOFTWARE TO PROCESS THE IMAGES

You use your camera set on the WB setting and import them onto a PC.

Import the images into Lightroom (or Bridge). Using the white balance selector (W) tool click on the grey card which moves the temperature slider to the correct setting. You can then synchronise all the images  to the same temperature.

The colour swatch is exported into Colour Checker Passport program as a DNG file. Using the Passport this will create a colour profile for use in Lightroom or bridge (on restarting the programs).  The profile;e will appear in the camera calibration profile section allowing all images to be synchronized.

Even though you have synchronized the images you will find that you may need to make individual changes to each image.

View this video on how to set custom white balance on a canon 5dmk2

For further information Contact Martin

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