LB 983 NightOWL II Operating Manual
Cleaning and Maintenance
113
8.1.3 Cleaning the Lens
The lens can only be cleaned if no filter wheel is installed. It should only be cleaned using pres-
surized air spray or cleaning agents available in photo shops!
o
Move the camera transport unit to the working height, i.e. so high above the bot-
tom plate that you can easily reach the lens from below.
o
Therefore move the camera (z-axis) into the low position (step 60000) using the
service software or indiGO. Click on
, se-
lect Position and choose Z-Axis and Position from
the dropdown menu.
o
Enter 60000 steps at the prompt and press OK to
move the camera to the specified position.
o
Pull off the filter wheel from below so that the un-
derside of the camera lens is accessible.
o
Clean the underside of the objective. Make sure there are no residues (dust, clean-
ing agent) on the glass surface of the lens.
o
Install the filter wheel again. Make sure that the filter wheel audibly clicks into
place.
o
Move the camera to the lowest position possible.
o
Unscrew both knurled screws fixing the camera to the transport unit.
o
Carefully lift the camera and clean the top side of the lens. Make sure there are no
residues (dust, cleaning agent) on the glass surface of the lens.
o
Carefully place the camera onto the transport unit again.
o
Fix the camera with both knurled screw to the transport unit.
o
Turn the NightOWL II off, wait about 5-10 seconds and then turn it on again. The
device will be initialized new.
Содержание NightOWL II LB 983
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