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Alvium USB Cameras User Guide V3.6.4
Installing the camera
NOTICE
Damage to sensor, optics, or electronics by improper handling
If an S-Mount lens is screwed against the sensor or electronics, sensor, lens, or
electronics can be damaged.
• Screw in the lens at less than 11.0 mm maximum protrusion.
• Follow the instructions carefully.
Determining the allowed range for the position of the
lens
1. Measure the length of the lens.
2. Calculate:
a = c – b
a: length of the mounted lens, measured from lens
mount front flange
b: maximum protrusion (11.0 mm)
c: length of the lens
Lens mounts and maximum protrusion
163.
3. Set a gauge to the length of (a).
Figure 71: S-Mount lens and maximum
protrusion
Mounting the fixing nut to the lens
4. Screw the fixing nut clockwise onto the lens until you
can hold the front part (d) of the lens with your finger
tips.
Focusing the lens
5.
Checking (a) with a gauge
, slowly screw the lens
clockwise into the lens mount until the image is
roughly in focus.
6. Slowly screw in and unscrew the lens until you have
found the most accurate focus.
Figure 72: Lens and fixing nut
Figure 73: Adjusting focus
a
b
c
d
