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Canon EOS Ra Sensor Measurements at PhotonsToPhotos

Started Aug 13, 2020 | Discussions thread
GXAlan Regular Member • Posts: 223
Re: To: Neuropsychology ...(PICS)
1

I'm yet to source my power supply (Celestron has run out of the 12V 5A variety until late September) but I'm almost ready to go. I'll be sure to report in when I get to sample some shots with longer exposures and slightly smaller apertures. I have no idea if this will work properly... but it should.

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Just waiting for a power supply to become available.... (the smaller Celestron Lithium Power Tank on the right will probably be used to power my lens warmer). The camera + lens is large enough and heavy enough that I needed a mount that would offer me more payload than I might require - with a scope fitted at a later date. I'll be interested to see how the Ra works with a good telescope.

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Regards,
Marco Nero.

If you are in the US, Amazon has plenty of alternatives.  I believe it’s just 12V, center positive, 2.5mm.  Several of the listings/reviews will mention that it replaced the Celestron.  There was on that was UL listed.

Here’s a quick shot of 49 x 1 min from a metropolitan area.  ISO 1600.  F/5.6.  Vixen SXD2 unguided.  No filters.

Eos Ra.  49x1 min from urban city.

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