BatteryGripBG-E22 An optional accessory for the EOS R camera, the Battery Grip BG-E22 enables seamless vertical operation, helps maintain optimal lens balance and holds 2 LP-E6N battery packs to extend operation time. EOS R
Canon engaged with the camera manufacturers developing 4K UHD cameras where the central topic was the quest for genuine 4K resolution. The early work with each centered about benchmarking the latest generation of HD lenses to help identify the various optical performance parameters essential to advancing 2 /3-inch lens to 4K UHD image quality. Of particular interest to all of the camera manufacturers were the following:
Studying how each of these lenses convoluted with the Canon CMOS image sensor and allied Canon CFA helped establish overall color reproduction benchmarks that guided the subsequent exploration of the new Canon cinema lens spectral response. ... [ 2 ] ISO 6728: 1983 “Determination of ISO Color Contribution Index (ISO/CCI)”, International Standards Organization, 1983
