This focusing mount is set up for a 150mm lens but the scales can be changed to allow for any lens that uses the copal 0 standard. The mount gives focusing ability to cameras that lack bellows focus. Please contact your camera manufacturer to discuss how to use it with your camera. This is a Rodenstock standard item and all technical and panoramic camera manufacturers should be familiar with it. New this item is $670 from BH.
150mm Apo Sironar Digital is also available for sale. For larger panoramic formats try it with the Apo Sironar W, or super symmar XL.