About Focus Function
When combined with the 645D or 645Z, autofocus operation is performed.
- = Autofocus driven by the supersonic motor in lens body
- = Autofocus driven by the DC motor in lens body
- Body AF
- = Autofocus using the motor in the camera body
*The equivalent mm in 35mm film format for the focal length of the 645 lens can be calculated by multiplying the focal length by 0.8.
*The rear converters A645 1.4X and 2X do not support the autofocus function. Also, the aperture value displayed in the viewfinder may vary depending on the combined lens.
*When mounted a lens which is installed SDM motor or DC motor, Film645 (645N/645 N II) can only focuses manually.