How do I use my Kodak GREY card?
How do I use my Kodak GREY card?
Aim the surface of the gray card toward a point one third of the compound angle between your camera and the main light. For example, if the main light is located 30 degrees to the side and 45 degrees up from the camera-to- subject axis, aim the card 10 degrees to the side and 15 degrees up.
What is an 18 GREY card used for in photography?
The 18% Gray Card’s main purpose is to allow users to make adjustments to their camera that affect or rather allow users to setup correct exposure at the beginning of any photo sessions.
How do you set white balance with a gray card?
For Canon users:
- Take a photo of the gray card – you need to make sure there is NOTHING else in the shot.
- Navigate through your menu until you find where it says “Custom White Balance” or something similar.
- Select the image of the gray card you just took.
- Set your camera’s White Balance setting to Custom.
Why do photographers use a GREY card?
A grey card is designed to help photographers to adjust their exposure and white balance settings consistently by providing a reference point. The reference point will prompt your camera to compensate for any illuminant color in the space where you plan to shoot by adjusting the white balance and/or color profile.
What is the RGB for middle GREY?
Table of middle grays
| Middle gray as defined by | CIEXYZ relative luminance | sRGB coordinates |
|---|---|---|
| Geomean of 60:1 | 12.91% | rgb(101,101,101) or #656565 |
| 18% gray card | 18% | rgb(118,118,118) or #767676 |
| L*a*b* | 18.42% | rgb(119,119,119) or #777777 |
| sRGB | 21.40% | rgb(128,128,128) or #808080 |
What ire value should you set an 18% GREY card?
A Kodak Standard Grey Card has a reflectance of 18% which renders as a “normal” mid grey exposure density on film. In video terms this equates to 50% or 0.5 volts IRE.
How do you custom white balance?
Setting up custom white balance involves taking a photo of something white or mid-grey in the same light where you will be shooting your subject….
- Go to the shooting menu.
- Choose “Preset Manual” to set custom white balance.
- Select one of these.
- Select the image shot with grey to set for custom white balance.
