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08-24-2020, 10:04 AM   #31
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QuoteOriginally posted by whwang Quote
I put two links to my gallery in my signature (below the post).
Now you are really tempting me to jump up to a 645Z for astro but then I think about the cost. Nice shots.

08-24-2020, 07:13 PM   #32
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The cost should be manageable if you go with a used one. The real problems are those other than the camera, telescopes, lenses etc.
08-24-2020, 08:09 PM   #33
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QuoteOriginally posted by whwang Quote
The cost should be manageable if you go with a used one. The real problems are those other than the camera, telescopes, lenses etc.
I saved a lot of money getting a used 645Z. Noticed your 645Z photos is modified. Did the mod remove the IR filter or was something else done? How much difference does the mod make?
Thanks,
barondla
08-24-2020, 08:56 PM - 1 Like   #34
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The modification replaced the IR-blocking filter with one that allows more deep-red to go through (but still blocks IR). This makes the camera more than 3x more sensitive to red nebulas. It is a must for serious deep-sky photography, but not quite so for wide-field Milky Way shots and astro-landscapes.

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