DZOFILM 10-24 T2.9, User Manual

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Linglung series lenses will all go through flange back adjustment
based on M4/3 standard before shipping, but flange back distance
can vary depending on the camera and even such factors as the
ambient temperature. If the flange back distance is incorrect, the
camera will not focus at the correct distance. Linglung series has fast
adjustment structure which is placed aperture ring and lens mount.
Lens Control
Use the lens controls to zoom in to zoom out, adjust aperture or focus.
Focus
Rotate the focus ring to increase or
decrease the focus distance.
Adjusting the Flange Back Distance
Focus ring
Zoom ring
Zoom
Rotate the zoom ring to zoom out,
increasing the area visible in the
frame or zoom in on the subject so
that it fills a larger area in the frame.
Fange back adjusting ring
Flange Back Adjustment
Rotate flange back adjusting ring,
increasing or decreasing the flange
back distance
Aperture ring
Aperture
Rotate the aperture ring to stop
aperture down, raising the f-number
and narrowing the aperture, or lower
the f-number to widen the aperture.