User’s guide
Adjust the back focus
The back focus of a camera is predefined by the factory default. However, some models are out of focus depending on the lens
Etype. If your camera is out of focus, follow the instructions below to adjust the back focus. The following is the procedure used to set the proper back focus point in fixed focus lenses.
Lens without zooming feature
Capture a sharp subject (with a grid pattern) more than 10m apart and adjust the focus ring to the infinity ( ).
Adjust the adjustable ring of the flange back so that you can capture the sharpest image.
Fasten the screw of the adjustable ring of the flange back.
Lens with zooming feature
Capture a sharp subject (with a grid pattern)
Adjust the zoom in the WIDE direction as possible and turn the adjustable ring of the flange back so that you can capture the sharpest image.
Repeat and above
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