Anyone know or speculate on the 645D for astrophotography

Christopher M.W.T · 09-25-2010, 05:38 PM

Just curious how it would potentially perform in that sort of usage.

nightfly · 09-25-2010, 06:12 PM

I'd love to see some tests as well, but I suspect it has the same or very similar firmware / software as the K-7. For moonlit landscapes, this may be a great camera, but for deep sky work I suspect it will be less than satifactory. You'd also need to remove the IR blocking filter as well to get good Ha sensitivity. Besides, you can get a big chip CCD for the price of a 645D. Of course, a 645D could be used for other work. Just my rambling 2 cents.

I'll stick to My P67, so far the finest camera (IMHO) for astrophotography made by Pentax.

09-25-2010, 05:38 PM	#1
Christopher M.W.T Veteran Member Join Date: Jun 2009 Posts: 1,689	Anyone know or speculate on the 645D for astrophotography Just curious how it would potentially perform in that sort of usage.

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09-25-2010, 06:12 PM	#2
nightfly Senior Member Join Date: Nov 2008 Location: Maine, USA Photos: Gallery Posts: 251	I'd love to see some tests as well, but I suspect it has the same or very similar firmware / software as the K-7. For moonlit landscapes, this may be a great camera, but for deep sky work I suspect it will be less than satifactory. You'd also need to remove the IR blocking filter as well to get good Ha sensitivity. Besides, you can get a big chip CCD for the price of a 645D. Of course, a 645D could be used for other work. Just my rambling 2 cents. I'll stick to My P67, so far the finest camera (IMHO) for astrophotography made by Pentax.