When folded this camera really gets the size of a wallet. Format is 6,5 x 9 cm. You can use the ground glass or the wire frame as viewfinder. The bellows extends a lot for close-ups. Lens is uncoated Meyer Gorlitz Anastigmatic Trioplan f1:4,5 105mm. Shutter Compur from 1s to 1/250. Carrying it with 3 loaded backs it is a good way to have the option of a medium format landscapes without making volume while traveling.