Indicates if the image file has an alpha channel.
- iOS 9.0+
- macOS 10.13+
- Mac Catalyst 13.0+
When the value of this property is 0, no alpha channel is used; when the value is 1, an alpha channel is used.
The ISO speed setting for the camera at the time the image was captured.
The manufacturer of the device that was used to capture the image.
The size of the lens aperture at the time the image was captured, as a log-scale APEX value.
The owner of the camera used to capture the image.
The color space model used in this image, such as RGB, CMYK, YUV, or YCbCr.
A value that indicates if the flash was used to capture the image.
The actual focal length of the lens in millimeters.
An array that contains the names of the various layers in the file.
The model of the lens used to capture this image.
The total number of pixels in the image.
The height of the item, such as image or video frame height, in pixels.
The width of the item, such as image or video frame width, in pixels.
The white balance setting of the camera when the image was acquired.
The version of GPS Info IFD header that was used to generate the metadata for the image.
The version of the EXIF header that was used to generate the metadata for the image.
The mode that was used for the exposure for the image.
The class of the program used by the camera to set exposure when the image is captured.
The time that the lens was open during exposure, in seconds.
The time that the lens was open during exposure, in a string, such as "1/250 seconds".
The focal length of the lens divided by the diameter of the aperture when the image was captured.
The name of the color profile used for the image.
A value that indicates if red-eye reduction was used when the image was captured.