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Adjusting device for the GSO RC's focuser (for 10" models and bigger)
For which purposes is a focuser adjustment needed? Regarding the focuser's adjustment, we're talking about minimal amounts of tipping. If using a DSLR camera with APS-C sensor (or other CCD cameras up to approx. 23mm sensor diagonal), you won't have any problems with field definition. But if you have a full-frame camera, correcting the focuser can increase off-axis image sharpness.
Mounting the adjusting device is quite easy:
- remove the focuser
- screw on the device
- fix the adjusting device with the small set screws
- re-attach the focuser
