Olympus Six medium format film camera, equipped with a Zuiko lens, and a folding design. This was given to me. I lack the knowledge to understand what it is. I also don't know how to open the back cover. I would like to sell it to someone who understands these points. - Model Name: Olympus Six - Serial Number: 141838 - Lens: Olympus Zuiko 1:3.5 - Shutter Speed: Up to 1/200 second - Film Type: Medium format film - Color: Black - Features: Folding camera Thank you for looking.