Nikon MK-1 Firing Rate Convert (MD4)

Nikon MK-1 Firing Rate Converter was designed as an easy and economical accessory that performs specific tasks to compensate for slight weaknesses present in Nikon F3 with MD-4 Motor Drive. The MK-1 is handy and easy tool that attaches to the base of the MD-4. It contains a trigger button for vertical format photography. Providing firing rates of 1, 2 or 3 frames per second or unrestricted speed as determine by the motor operation - which is also subject to the power and type of battery being used.