Opteka Medium 5 X 4 inches Color and White Balance Reference Grey Card Set with Quick Release Neck Strap for Digital Photography
US Delivery Time: 3-5 Business Days.
Product Description
Opteka Medium 5 X 4 inches Color and White Balance Reference Grey Card Set with Quick Release Neck Strap for Digital Photography
The color values of Opteka Digital Grey Card set have been tested under varying light conditions and show a high degree of spectral neutrality. Using the industry-standard X-Rite spectrophotometer, LAB values of L* 63.8, a* -1.6, b* -0.4 are measured from the surface of the grey card under D50 standard illuminant. For optimum color correction, the black card achieves truly deep blacks (RGB 16,16,15). The grey card displays superior spectral neutrality with measured values of 162, 162, 160. The white card has a tested RGB value of (220, 224, 223). All three cards have excellent uniformity across a range of light sources.Features of Opteka Medium 5 X 4 inches Color and White Balance Reference Grey Card Set with Quick Release Neck Strap for Digital Photography
Includes three color calibrated reference cards Dimensions 5" X 4" 0.1" (130mm by 100mm) Logo label with focus target is affixed to one side of the grey card. Both sides of the cards are usable for white balance Works with any digital camera, for JPEG and RAW files Lanyard Strap IncludedSpecification of Opteka Medium 5 X 4 inches Color and White Balance Reference Grey Card Set with Quick Release Neck Strap for Digital Photography
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Product FAQs
Q: What are the dimensions of the Opteka Grey Card set?
Ans: The dimensions of the Opteka Grey Card set are 5 inches by 4 inches.
Q: What color values have been tested for the grey card?
Ans: The grey card has been tested for spectral neutrality with LAB values of L* 63.8, a* -1.6, b* -0.4.
Q: What are the RGB values for the black card?
Ans: The black card achieves deep blacks with RGB values of 16, 16, 15.
Q: Does the set work with any digital camera?
Ans: Yes, the Opteka Grey Card set works with any digital camera for both JPEG and RAW files.
Q: Is a lanyard strap included with the set?
Ans: Yes, a quick release neck strap is included with the Opteka Grey Card set.
Warning - California Proposition 65 This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.