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Appendix C Adapter Adjustment and Focusing Procedures 111
111
Lens Focusing Procedure
Except for the lens mount focus procedure that applies to F-mount lenses as described
above, there is no difference between focusing considerations for an F-mount lens and a
C-mount lens. Simply use the focusing ring on the lens to produce the sharpest image at
full aperture. Then stop the lens down to its sharpest aperture (probably at a mid-range
aperture setting) and adjust the Exposure Time for the best possible image as observed at
the monitor.