Specifications

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3.1.5 MOUNTING AN IR ILLUMINATOR TO THE SIRIUS
To mount an IR illuminator to the Sirius, use the optional Weaver rail adapter. Perform the following
steps:
1. Install the Weaver rail adapter (A) onto one of the Sirius rails.
2. Tighten the two xing screws (B) on the adapter.
3. Loosen the IR illuminator xing screw (C).
4. Mount the IR illuminator on the Weaver rail adapter and tighten the xing screw (C).
B
C
FIGURE 35. MOUNTING AN IR ILLUMINATOR TO THE SIRIUS
A
3.1.7 MOUNTING ACCESSORY LENSES TO THE SIRIUS
To mount the 3X afocal lens (A) to the device, screw it into the threading of the standard 1X objective
lens on the Sirius.
To mount the 3X (B), 5X (C) or 8X (D) lens, unscrew the existing 1X objective lens of the Sirius and screw
in the 3X, 5X or 8X lens in its place.
The Sirius congured with an 8X lens can be installed on a tripod. To mount the unit on a tripod, use the
1/4’’threadedsocket(E)onthehousingofthe8Xlens.
D
B C
FIGURE 36. MOUNTING ACCESSORY LENSES TO SIRIUS
E
A
NOTE:
The unit may be badly damaged if the tripod collapses or overturns. Remove the unit from the
tripod if it is not within your reach.
3.1.8 MOUNTING A CAMERA/ CAMCORDER TO THE SIRIUS
To mount any 35mm SLR photographic camera or 8mm camcorder to the Sirius, use the optional cam-
era adapter and perform the following:
1. Using the (M37x0.75 threaded) adapter ring (B), screw the (M52x0.75 threaded) adapter (A) into the
front lens of the photographic camera or video camera.
2. Remove the eyecup from the Sirius eyepiece.
3. Connect the adapter with the eyepiece and tighten the three xing screws (C) located on the adapt-
er.