# CIFF Image Properties Metadata keys for the Camera Image File Format (CIFF) image format. ## Topics ### Dictionary [`kCGImagePropertyCIFFDictionary`](/documentation/ImageIO/kCGImagePropertyCIFFDictionary) A dictionary of key-value pairs for an image that uses Camera Image File Format (CIFF). ### Image Details [`kCGImagePropertyCIFFDescription`](/documentation/ImageIO/kCGImagePropertyCIFFDescription) The camera description. [`kCGImagePropertyCIFFImageName`](/documentation/ImageIO/kCGImagePropertyCIFFImageName) The image name. [`kCGImagePropertyCIFFImageFileName`](/documentation/ImageIO/kCGImagePropertyCIFFImageFileName) The image file name. [`kCGImagePropertyCIFFImageSerialNumber`](/documentation/ImageIO/kCGImagePropertyCIFFImageSerialNumber) The image serial number. ### Exposure [`kCGImagePropertyCIFFWhiteBalanceIndex`](/documentation/ImageIO/kCGImagePropertyCIFFWhiteBalanceIndex) The white balance index. [`kCGImagePropertyCIFFFlashExposureComp`](/documentation/ImageIO/kCGImagePropertyCIFFFlashExposureComp) The flash exposure compensation. [`kCGImagePropertyCIFFMeasuredEV`](/documentation/ImageIO/kCGImagePropertyCIFFMeasuredEV) The measured exposure value. [`kCGImagePropertyCIFFMeteringMode`](/documentation/ImageIO/kCGImagePropertyCIFFMeteringMode) The metering mode. ### Shutter Information [`kCGImagePropertyCIFFReleaseTiming`](/documentation/ImageIO/kCGImagePropertyCIFFReleaseTiming) The priority for shutter release timing—shutter or focus. [`kCGImagePropertyCIFFSelfTimingTime`](/documentation/ImageIO/kCGImagePropertyCIFFSelfTimingTime) The time in milliseconds until shutter release when using the self-timer. [`kCGImagePropertyCIFFReleaseMethod`](/documentation/ImageIO/kCGImagePropertyCIFFReleaseMethod) The method of shutter release—single-shot or continuous. [`kCGImagePropertyCIFFContinuousDrive`](/documentation/ImageIO/kCGImagePropertyCIFFContinuousDrive) The continuous drive mode. [`kCGImagePropertyCIFFShootingMode`](/documentation/ImageIO/kCGImagePropertyCIFFShootingMode) The shooting mode. ### Lens and Focus [`kCGImagePropertyCIFFFocusMode`](/documentation/ImageIO/kCGImagePropertyCIFFFocusMode) The focus mode. [`kCGImagePropertyCIFFLensMaxMM`](/documentation/ImageIO/kCGImagePropertyCIFFLensMaxMM) The maximum lens length in millimeters. [`kCGImagePropertyCIFFLensMinMM`](/documentation/ImageIO/kCGImagePropertyCIFFLensMinMM) The minimum lens length in millimeters. [`kCGImagePropertyCIFFLensModel`](/documentation/ImageIO/kCGImagePropertyCIFFLensModel) The lens model. ### Camera Information [`kCGImagePropertyCIFFFirmware`](/documentation/ImageIO/kCGImagePropertyCIFFFirmware) The firmware version of the camera. [`kCGImagePropertyCIFFOwnerName`](/documentation/ImageIO/kCGImagePropertyCIFFOwnerName) The name of the camera’s owner. [`kCGImagePropertyCIFFCameraSerialNumber`](/documentation/ImageIO/kCGImagePropertyCIFFCameraSerialNumber) The camera serial number. [`kCGImagePropertyCIFFRecordID`](/documentation/ImageIO/kCGImagePropertyCIFFRecordID) The number of images taken since the camera shipped. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)