Reference Manual

P - Series
Reference Manual
83
IR filter on the CCD
The IR filter (Phase One TG1 Infrared cut-off filter) is
placed on top of the CCD.
The filter may not be removed for several reasons.
The focusing of the P back will be damaged.
It is only possible to remount the filter without dust
in between the filter and the CCD if you have access to
special clean room facilities.
The Phase One Product Warranty is terminated.