Astrel Instruments AST492 Pour commencer - Page 9

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Astrel Instruments

Filters mounting procedure

This paragraph describes the complete procedure to be followed to mount the filters on the

integrated filter-wheel. The wheel uses standard 1.25" mounted filters or 31mm unmounted

filters.

The AST492 is equipped with a 7 positions filter wheel. Position number 1 is referenced by a

small white arrow near the hole, which points to the direction where position 2 is located.

Arrow

indicator

WARNING: Do all the following operation in a clean ambient in order to minimize dust

entering.

1. Remove the six screws locking the camera top plate in order to access the filter wheel

Getting Started

Figure 4: Filterwheel box internal

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AST492

rev A