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Another very firm vote for the AstroSystems barlowed collimator. SDM sell them here in Oz, and I have nothing but praise for mine. Others I've performed on-field collimation services for have also been highly impressed with its accuracy and ease of use. In the same league as the HG and CatsEye, without doubt. AstroSystems state that if it is ever out of collimation itself, you send it back to the USA for them to re-collimate at their expense. It's something I've never heard of anyone actually having to do - so that's proof enough of how stable they are.
Last edited by Omaroo; 31-08-2010 at 09:38 PM.
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