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4.2 Installation of an optional lens
The device is delivered with a 15°-standard lens. If you wish to insert an optional 12° or 18°-lens (it is not standard
part of delivery,only for request), please follow the instructions below:
Optional 12°-lens:
Remove the the 15°-objective by loosening the 3 fastening screws with an appropriate screwdriver. Fix the tube
with the 3 screws and then screw the flange with 12°-lens .
flange with 12°-lens
tube
standard 15°-objective
Optional 18°-lens:
1.Open the cover by loosening the fastening screws at the sides of the cover.Unscrew the knurled-head screw on
the plate of the light-output. Install the optional 18°-lens holder.
2.Fix the 18°-lens holder with the knurled-head screw.Close the cover and tighten the fastening screws at the
sides of the cover.
18°- lens holder
knurled-head screw
standard 15°-objective
fastening screws
7
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