The dual speed Starlight Instruments Feather Touch Micro Focuser is an ideal replacement for the stock focuser for your Celestron 8” SCT. A joy to use, the Feather Touch Micro Focuser provides precise, buttery smooth control of standard and ultrafine speed manual focusing to get the best possible images from your telescope. The Posi Drive Motor System for the Feather Touch focuser can lift in excess of 56 pounds. This motor system attaches to the pinion shaft of any Feather Touch ", 3", or " focuser which eliminates slippage and offers the ability to precisely repeat with heavier payloads. The PDMS has microns per step ") which is 11, steps per. Step 5 Remove Focus Bearing Assembly Turn the brass focus shaft counterclockwise to remove it from the threaded focus rod. This will take quite a few turns. Once the bearing assembly is removed, only the threaded focus rod (which pushes and pulls on the mirror cell to focus the telescope) will be left sticking out of the telescope as below.
Step 5 Remove Focus Bearing Assembly Turn the brass focus shaft counterclockwise to remove it from the threaded focus rod. This will take quite a few turns. Once the bearing assembly is removed, only the threaded focus rod (which pushes and pulls on the mirror cell to focus the telescope) will be left sticking out of the telescope as below. The Starlight Instruments SCT MicroFocuser provides the smoothest control for fine focusing. Two focus knobs allow for standard or 1/10th-speed focusing, mak. The third scope has a standard 2 inch Feather Touch focuser and drawtube. It becomes very expensive if you have to buy different focuser adapters for each of the scopes. After looking at quite a few options, I decided to purchase the Starizona Micro Touch Focus system.
Feather Touch Micro Focuser for Celestron HD8" / CPC / NexStar 6 - 8 Important note: The retrofit kits for the FeatherTouch Focusing Units depends on. When manually focusing your CCD or DSLR camera, you will see improved accuracy and ease. Adding the Starlight Instruments' "Focuser Boss Digital Kit" allows. control focus while still allowing you to manually move your focuser by hand if Telescopes with FeatherTouch 2" focuser (3" and 3,5" models require.
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