The Schneider 24mm APO f5.6 XL lens has a helical focusing mount and Wide DS lensplate. With a 22MP CCD this lens gives coverage equivalent to a 17mm lens on 35mm format. With a 17MP CCD this lens gives equivalent coverage to a 19mm lens on 35mm format.
This lens is intended for use with digital backs, and can be used with roll film if there is sufficient coverage - It does not have sufficient coverage to be used with 4x5" film. This is a lens in a Schneider electronic shutter, ready to be mounted to Sinar P Camera.