30cm/12" Foldable Reflector Grey/ Balance 18% Grey Gray Reference Reflector

This gray card is to provide a standard reference object for exposure determination in photography. Its apparent brightne (and exposure determination) therefore does not depend on its orientation relative to the light source. By placing a gray card in the scene to be photographed, oriented at a defined angle relative to the direction of the incident light, and taking a reading from it with a reflected light meter, the photographer can be aured of consistent exposures acro their photographs. In addition to providing a means for measuring exposure, a gray card provides a convenient reference for balance, or color balance, allowing the camera to compensate for the illuminant color in a scene. Gray cards can be used for in-camera balance or post-proceing balance. Many digital cameras have a custom balance feature. A photo of the gray card is taken and used to set balance for a sequence of photos. For post-proceing balance, a photo of the gray card in the scene is taken, and the image proceing software uses the data from the pixels in the gray card area of the photo to set the balance point for the whole image. Many serious photographers or hobbyists consider gray cards an eential part of the digital photography proce. Features: 18% grey card reflector. Works with your light meter or digital camera. color on back side. Comes with a zippered bag. Specifications: Model: R-21 Material: PU, could be cleaning with water Color: Grey & Card Size: Approx. 30 * 30cm / 12 * 12in Card Weight: Approx. 55g / 1.9oz Package Size: Approx. 8 * 7 * 1.5cm / 3.1 * 2.8 * 0.6in Package Weight: Approx. 70g / 2.5oz Package List: 1 * 18% Gray Balance Focus Card 1 * Carrying Bag

About shipping
Shipping and Packaging All itwill be double checked and well packed before sending.Itwill be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

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