Installing the camera
121
Alvium G1 User Guide V1.1.1
NOTICE
Damage to sensor or optics by improper handling
If an S-Mount lens is screwed against the sensor, sensor and lens can be damaged.
• Screw in the lens at 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
3. Set a gauge to the length of (a).
Figure 46: 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 the lens in and out until you have found
most accurate focus.
Figure 47: Lens and fixing nut
Figure 48: Adjusting focus
a
b
c
d