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Hydrogen Alpha Filter 400D, 450D, 500D, 550D, 1000D, 40D, 50D, 7D
Makes your Canon camera extremely sensitive to Hydrogen Alpha (H-a) light.
Allows you to use your Canon DSLR for Daylight AND Astrophotography.
Suits EOS 400D, 450D, 500D, 550D, 1000D, 40D, 50D, 7D
The Canon filter must be removed and replaced by the Astrodon Inside filter. For daylight use, you will use a custom white point, often shot with an 18% gray card. Thus, the modification allows you to enjoy daylight photography while using your Canon camera at night for astrophotography.
This can be done yourself if you are skilled (I can send a Video Link / Instructions), or by a camera repair place (recommended!).
I was going to make the modification, but had to sell my scope unexpectedly, which kind of made this pointless to keep around.
Asking for $90, will include shipping (worldwide) + 3% Paypal
Last edited by Jethro777; 06-01-2013 at 09:06 PM.
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