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Old 07-12-2013, 11:07 PM
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Lee
Colour is over-rated

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Join Date: Sep 2005
Location: Newcastle, Australia
Posts: 2,414
Not sure in regards to the physical form of the filters.... but Astronomik do some in visual and CCD - the CCD versions block IR wavelengths. You can use a CCD one for visual, vice versa likely not so good...
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