| Nikon MK-1 Firing Rate Converter was designed by Nikon to address some slight weaknesses present in the MD-4. It attaches to the base of the motor drive, contains a trigger button for use in vertical shooting with additional function of three firing rates of either 1; 2; or 3 frames per second or unrestricted speed as determine by the motor drive. |
| Nikon MK-1 Firing Rate Converter |
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