Axis Q1921 Guide D'installation page 7

Replacement lens
Select ImageSource in the drop-down list and click
7.
Select group.
Select the matching lens option in the ImageSource
8.
IO Lens drop-down list.
9. Focus the camera to the appropriate distance. See the
table below for recommended focus distances for
achieving optimal focus both for near focus and
infinity.
Lens
AXIS
Q1921/-E
AXIS
Q1922/-E
10. Secure the stop screw.
Notes:
• Hold the lens gently by the metal ring; do not touch
the lens surface.
• Be careful not to get dust on the sensor while
exchanging the lens.
10 mm 19 mm
2 m 8 m
(6.6 ft.) (26 ft.)
3 m 10 m
(10 ft.) (33 ft.)
Page 7
35 mm 60 mm
22 m 60 m
(72 ft.) (197 ft.)
33 m 90 m
(108 ft.) (296 ft.)