I didn't have any of them fancy film holders, so this one follows the design of my 8x10...the film sits in the back, and the front slides into the back holding the film flat. Reloading is by changing bag, but it should be a lot more convenient with the small size! It's really quite cute. I stole CuS's idea of using a shutter out of an old camera. I stole the shutter assembly out of my Jiffy Kodak 620 camera, which has a "T" setting. I just don't know if the shutter blade seals well enough around the pinhole, since you can see an air gap when it is shut. I made my first exposure on the way to work this morning, but I don't know if it's going to work. I made the pinhole pretty small, it's about .35 mm and the focal length is like 60mm Apologies for the quality of the image, it was the only one I had at work since it was attached to an email to my friend.