The Minolta Dynax 505si was the first of Minolta's SLR camera bodies with the combination of a central cross autofocus sensor with two vertically placed sensors. It was much lighter than its predecessor, the Minolta 500si but had a lot more features.


  • Type: autofocus SLR camera body
  • Year of release: 1998
  • Manufacturer: Minolta
  • ASA/ISO range: 25 to 5000 ASA DX-coded (6 to 6400 manually)
  • Film Format: 35mm
  • Modes: 5 programmed modes, fully automatic mode, shutter preferred mode, aperture preferred mode, manual mode with support through viewfinder
  • Exposure Metering: 14 field TTL measuring with Si photo diode, switchable to spot metering via central field, manual correction +-3EV
  • Focusing: TTL phase-detecting autofocus based on 2 vertical AF-sensors and a central cross-sensor, switchable to manual focusing or single sensor usage
  • Shutter: electronically controlled focal plane shutter with speeds 30 sec. to 1/4000 sec.
  • Viewfinder: pentaprism showing 90% of image, plus additional info in LCD sector, micro prism focusing aid for manual focusing
  • Lens Mount: Minolta A-Lenses bayonet
  • Flash: guide number 12, controlled by second Si photo diode, serves in dim light as autofocus support light
  • Weight: 350 g without Lens + Film + Cr2-Batteries
  • Dimensions: 135 x 90 x 59 mm