Rolleiflex 2.8GX Type 2 Expression Published May 5, 2012 at 250 × 335 in Buying Rolleiflex And Rollei TLR Camera The GX “Expression” is the update of the GX Type 1, with new focus knob and Copal shutter. There was 1000 made. 80mm Planar HFT F2.8 lens. Schneider or Zeiss Heidosmat 80/2.8 Viewing Lens. 120 film only. LED Meter readout. Bay III.