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GSO 12" Collimation Springs Replacement
Hi Guys,
the factory springs pressing against the prim. mirror cell on my 12" GSO Dob are weak and were never really up to the job. I know that Bob`s Knob`s offers replacement but there is no local dealer in NZ and its expensive to have it shipped from USA or AUS (crazy expensive for 3 little springs).
Has anybody got details of the required qualities, so that I could approach a local maker?
Or does somebody know of a decent 'Bunnings' alternative?
Cheers,
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