Thread: Cracked Primary Mirror in new 254mm F4
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Old 01-06-2014, 02:16 PM
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Merlin66 (Ken)
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Merlin66 is offline 		 
Join Date: Oct 2005
Location: Junortoun Vic
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Lucas,
Looks like a mould mark to me...
A crack will have sharp edges and be seen to extend inwards....
If you still have doubts take it to the supplier for evaluation....
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