Skywatcher mirror cell
Hi all, my first time writing. I have just purchased my dream (4th) scope a 16" GoTo Skywatcher Dobbie from Bintel in Melb, the unpacking & build all went well with the instruction manual well detailed. Until I got to the last part of installing the mirror & housing which was well packed in its own box with 3 thumb nuts 3 washers & 3 springs, with NO Instructions of any kind?!!!. I did work-out the safe installation (I think, with the help of two friends), but even after laser collimation at first light the image is still not as sharp as I expected. Any suggestion.
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