ETC User Manual
Source Four jr / jr Zoom
Lens and Reflector
Switching lens assemblies
Follow these procedures to replace
a fixed field lens with Zoom lens.
1: Loosen the screw at the
2: Pull the light baffle out of
3: Remove the beam focus
4: Slide the Zoom lens rear assembly into the barrel and install its beam
5: Slide the Zoom lens front assembly into the barrel and install its beam
6: Reinstall the light baffle and secure it with the retaining screw.
Note: Reverse steps 1–6 to replace Zoom lens with a standard
Source Four jr / jr Zoom
front of the baffle. See
figure at right.
the barrel.
knob from the bottom of
the barrel and slide the lens assembly from the barrel.
focus knob.
focus knob.
lens.
Lens tray
Light baffle and
retaining screw
Page 10 of 12
ETC
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