Thread: Modding my 40D - which filter?
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Old 15-11-2021, 03:59 PM
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Merlin66 (Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
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Mark,
The UV cut off is close to the 400nm - no issues there.
Remember you only need a clip in filter if you intend to use standard camera lenses at infinity, with a telescope, you're good to go.
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