IT Concepts Digital Video Recorder, Operation Manual, Page: 22 / 48

22
Changing and adjusting Objectives
Different interchangeable objectives are available
for the iRis (except 4mm). Therefore an optimal field
of view and f-stop can be chosen at any time. The
objectives are differently coloured to discern them
easier.
The objectives can be adjusted and exchanged by
using the lens tool. The working distance is conti-
nuously adjustable by screwing the objective in or
out the distal end. For easier adjusting the lens tool
is equipped with an adjusting hole. Through that
hole you can check the image during adjustment in
live mode.
It is recommended to adjust the objective to the re-
quired working distance before starting the inspec-
tion. The working distance gets farther by turning
the objective into the distal end.
Caution! Never turn in the objective with force.
Mounting the Side View Tip Adapter
If a lateral view is necessary (e.g. in tubes or narrow
cavities) a 90° Side View Tip Adapter can optionally
be mounted. Depending on diameter of the scope
the adapter is available with different working dis-
tances. With 6 and 8mm probe it is simply screwed
into the distal end after having removed the objec-
tive and on the distal end without removing the ob-
jective at 4mm probes.
Do not torque the Side View Tip down with force
and never use tools (e.g. tongs) for it.
Starting Inspection
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