Blocking filter comparision : PST Bf Vs Omega Optical 394nm filter photo

Andy Dodson | all galleries >> Solar Photography >> Evoloution of my Ca K filter > Blocking filter comparision : PST Bf Vs Omega Optical 394nm filter

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19-JUL-2012

Blocking filter comparision : PST Bf Vs Omega Optical 394nm filter

This comparision has been cropped and the vignetting of the PST's BF isn't visible and the mentioned alignment of the Omega filter isn't obvious either, but it shows the contrast differences. (same proc. throughout)

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Date/Time	19-Jul-2012 17:01:37
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Flash Used	No
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other sizes: small medium original auto

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If you want a copy of this photo please quote the IMG# (if possible) and e-mail andydods2001@gmail.com

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