I have the HEQ5 with a Skywatcher 8" f/5, and can say that 9kg [ his 4 plus another 5] would not be enough, assuming that his OTA weighs pretty much the same as mine. I have to have my shaft fully extended with my two 5kg weights, and add another 1kg weight if adding
any accessory other than my DSLR. The OTA itself weighs 9.5kg.
raymo
Last edited by raymo; 13-05-2015 at 11:57 AM.
Reason: more text
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