Came across this 4 x 5 holder/adapter and can't find a like piece anywhere. OD is 7" x 8" and ID is 92mm x 117mm. Thanks in advance. Click image for larger version.  Name: DSC_6790.jpg  Views: 24  Size: 22.1 KB  ID: 214407Click image for larger version.  Name: DSC_6788.jpg  Views: 22  Size: 23.4 KB  ID: 214408Click image for larger version.  Name: DSC_6788.jpg  Views: 22  Size: 23.4 KB  ID: 214408