Collimation of Celestron C8 on 4-13-2002 HOME
The spots are due to dust specks on the CCD sensor.
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 |
 |
 |
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| extra focal | extra focal | extra focal | extra focal | focus | |
 intra-focal |
 Intra |
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 |
 |
|
 |
Collimation of Celestron C8 on 4-13-2002 HOME
The spots are due to dust specks on the CCD sensor.
|
|
|
|
|
|
| extra focal | extra focal | extra focal | extra focal | focus | |
| intra-focal |
Intra |
|
|
|
|
|