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Glad I dont live in VIC
Regarding the law in NSW, as we now know membership of a bona fide Astronomy society allows us to use them for this purpose, but whats the go re- buying new ones? can they still be purchased here, or imported frome o/seas from ebay etc?
Laser collimators may need to be more than 1 mw to be seen on clean or freshly coated mirrors. Then theres the fancy grid collimators, that must surely be quite a few mw to project a grid across the whole mirror.
Scott
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