Celestron Feathertouch SCT Microfocuser Manuel d'utilisateur télécharger pdf

Installation Instructions – Celestron 11” Telescopes

Important:

The telescope optical tube must be positioned horizontally before

removing the original focus assembly. If the telescope is not horizontal the primary

mirror could move during the installation.

Required Tools: Phillips Screwdriver

1/16” Hex-Head Wrench (Not required for NexStar 11 GPS)

Step 1

Remove Focus Knob

NexStar 11 GPS telescopes have a rubber knob which can be pulled off. Older 11"

telescopes will have a metal focus knob which must be removed using a 1/16” hex-head

wrench to loosen a small set screw. Once the knob is removed you will see the brass

focus shaft as shown below.

1 2 3 4

Installation Instructions – Celestron 11” Telescopes Important: The telescope optical tube must be positioned horizontally before removing the ori

Step 2 Move Primary Mirror Back Turn the brass focus shaft clockwise to bring the mirror back and expose the Phillips-head screw at the end of the

Step 4 Remove Focus Assembly Cover Plate Use screwdriver to remove three screws from the focus assembly cover plate (the three screws around the ou

Step 6 Thread on SCT MicroFocuser Begin threading the SCT MicroFocuser onto the threaded focus rod. When there is only about 1/4" left to go,

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Celestron Feathertouch SCT Microfocuser Manuel d'utilisateur