crop 640x480 video - allow user to select which area of sensor to use instead of center
Created originally on Bitbucket by cgapeart (Colin Peart)
The 60D and 550D and probably other models have a crop 640x480 video mode. If it is technically possible to do so, it would be handy to be able to select which part of the sensor is used, instead of the center. This feature is of interest to astrophotographers, as when the camera is attached to a telescope, getting an object centered can be difficult - being able to select which part of the sensor is used would be a big hand there.