* Color correction filter for natual color.
* The CP1 filter is for Spectrum enhanced modified DSLR and Cooled DSLR cameras.
* Using this filter you can get the original canon’s natural color at daylight photos.
* Easy installation and removal from camera body.
* Compatible with 400D-FM, 450D-FM, 40D-FM, 50D-FM, Astro400D,Astro40D,Astro50D
* CP1 does function with the EF series lenses (can’t use with EF-s series lenses).