The length is fixed and cannot be adjusted. All you can see on the picture will be included in a set of a package. Please refer to the pictures for more details.Please check the pictures and don't hesitate to ask any questions about the item! Weekends are not available because post office is closed. All return requests must be made within 30 days of the receipt of the item. The item "CLA'd MINT Mamiya RZ67 Pro II Medium Format Camera 120 Film Back From Japan" is in sale since Friday, December 11, 2020. This item is in the category "Cameras & Photo\Film Photography\Film Cameras". The seller is "scraps_japan" and is located in kobe-city. This item can be shipped worldwide.