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geezer@gpo
member
Reged: 11/06/05
Posts: 87
Loc: Southwestern Oregon
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Canon 10-30 IS collimation
06/29/09 10:43 PM
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I have a 4-year old 10-30 IS that is just about miraculous for terrestrial objects, but which displays much diffrent images of stars left and right, making them not-so-useful for night work.
I recently read a post that described near perfect performance from a 10-30 IS, and this has me wondering if one side of my unit is mis-collimated.
Can these binoculars be collimated in the field, or is this a factory return? Second question, will customer service even know what I am complaining about since this is essentially a horse-race viewing unit, and is not sold or advertised for astronomical use?
If this coma is just the nature of the beast, then I will quit worrying about it. But, if I can get pinpoint stars, I want them. IS is the difference between bliss and blasphemy.
Thanks for any thoughts or experiences.
Kim J.
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Terminal optimisim is the lifeblood of adventure.
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