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Even with collimation absolutely spot on, the thick spidervanes do cause some what diamond shaped stars. its a function of their actual size and diffraction pattern.
leinad has a VC200L and won IOTW with M20 about a month or 2 ago, I milled his spidervanes down from 5mm to 2mm, they are still very rigid but you now have Round stars not Diamond shape!
The are a lovely scope, when fitted out with milled spidervanes and a good high quality focuser. Other things to think of getting is a 6.3 reducer unless you have a good mount and are dedicated to the F9 native focal length... difficult.
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