Adjust The Lens Aperture - NAC Image Technology MEMRECAM GO-4K User Manual

Adjust the Lens Aperture

How to adjust the aperture of F-mount lenses is explained. Even if the lens does not have an
aperture ring, the aperture can be adjusted with the ring on the camera.
F mount adapter has a mount aperture ring.
Even if you attach a lens without an aperture ring, you can adjust the aperture using the
mount aperture ring on the camera body.
Mount aperture ring
Adjust the Aperture Adjust the Aperture
The method for adjusting the aperture differs on lenses without an aperture ring.
If the lens has an aperture ring
Example:
SIGMA ASPHERICAL 24mm 1:1.8D
EX DG MACRO
• If using a lens with an aperture ring and the mount aperture ring isn't turned in
the CLOSE direction, stopping down will not occur properly even if the aperture is
adjusted with the lens aperture ring.
• Make sure that the aperture ring is turned in CLOSE direction-until it stops.
(00519)
Adjust the aperture with the lens aperture ring
• Turn the mount aperture ring in the direction of
Aperture ring
CLOSE until it stops.This cancels the mount aperture
ring function.
• Next, turn the aperture ring on the lens to adjust the
aperture.
D Type lens
23

Adjust the Lens Aperture