- Modes: Av (Aperture priority), HyM, P (Program line mode), Paction, Pclose-up, Plandscape and Tv(Shutter priority).
- Panorama (additional blinds on top and bottom)
- Built-in exposure meter.
- Exposure correction ±3 EV in increments of 1/2 EV.
- There is no exposure lock.
- Self—timer - 12 sec.
- Electronic shutter made of metal shutters with a vertical stroke of 30 — 1/2000 sec, in
- Power Supply 6 Volts 2CR5.
- Built-in motor drive for film broaching with the possibility of serial shooting up to 2 k/sec.
- Display of shutter speed and aperture position in the viewfinder.
- PowerZoom function.
- "Z-20" can work with any Pentax lenses