Camera Adapter Back Board For Nikon NF to Sinar 4x5 Photograph. Nikon NF to Sinar 4x5. Your'll receive the item in10-15. We usually respond within 24-48 hrs due to the time difference.This item is in the category "Cameras & Photo\Film Photography\Film Backs & Holders". The seller is "tssy2005" and is located in this country: CN. This item can be shipped worldwide.