Motordrive MD4 for Nikon F3 with the Nikon Instruction Manual. The MD4 powers both camera and the drive, it advances film in Single or Continuous Mode (up to 8 frames per second). Good condition with minor wear marks and a second, non-working MD4 with its 8-cell battery cartridge is included for spares. Price excludes Postage/Courier – BUYER TO PAY COURIER CHARGE