19-04-2011, 07:22 PM
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Registered User
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Join Date: Apr 2006
Location: Alans Flat
Posts: 375
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Quote:
Originally Posted by Merlin66
You don't need the filter replaced for focus, but yes the additional UV and IR wavelengths can give bloating in astro shots.
The clip in UV-IR is a good solution for NON EF-S lenses.....(or just have a UV-IR in the optical train before the camera if mounted on a telescope)
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Brilliant well done!
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