Rolleiflex 2,8 GX Edition 1929-1989. Special model produced by Rollei Fototechnic to commemorate the 60th anniversary of Rolleiflex TLR's. This is the first GX model which still has a Deckel Syncho-Compur shutter. Part of the production of the second model was fitted with a Copal shutter. Taking lens is a Planar 1:2,8 f=80mm, made by Rollei. Viewing lens is a Heidosmat 1:2,8 f=80mm. Both diaphragma and shutterspeed values are fed into an electronic lightmeter which has a following system using Led's. However, the normal functions of this TLR are pure mechanical so it is possible to make photos without a battery installed. . . See also : camera-wiki.org/wiki/Rolleiflex_2.8_GX