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Camera Conversions for Astro photography


User_Removed 5 4.6k 1 Scotland
17 Feb 2011 7:07PM
Does anyone know of a UK company that will replace the sensor filter on a dSLR to suit it for astro-photography. I assume that it is a similar operation to converting for IR although, for astro work, we need to retain the sensitivity to the visible spectrum while extending it a bit beyond 700nm.

Basically I want to get an old Nikon D70 converted to act like the custom-built Canon EOS 20Da.

There was a firm called ACS that did IR conversion work but they seem to have gone belly-up as they don't respond to e-mails.

Any ideas?

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User_Removed 10 17.9k 8 Norway
17 Feb 2011 7:13PM

Quote:There was a firm called ACS that did IR conversion work but they seem to have gone belly-up as they don't respond to e-mails.


Interesting.

I was considering sending my trusty D70 off to them for conversion... Sad

Why not contact their nemesis in the US - Life Pixel and get their input?
17 Feb 2011 7:34PM
Check this site, the guy gave a brilliant lecture with awesome pics at our local camera club, He used a Nikon d200 with 200mm lenses may be of some use, don't recall he had to modify camera but he used a neat gismo on the tripod to track stellar movement



http://cosmicbug.wordpress.com/

Bill
User_Removed 5 1.4k England
17 Feb 2011 7:57PM
http://astrosurf.com/buil/d70/ircut.htm

Remove it yourself, then use external filters to get halpha sensitivity.

~(Astronomik IR-block ) ~

super easy.
User_Removed 10 17.9k 8 Norway
17 Feb 2011 8:07PM
Thanks Sam - I lost that link a while ago!!
User_Removed 5 1.4k England
17 Feb 2011 8:12PM
They are quite easy to do, you just need the right thickness screw driver - makes it a doddle.

Generally nikons are quite easy to remove parts from; compared to point and shoots an canon - which tend to use more film-like IR cut offs.

- Make sure you do this in a positive pressure environment, dust is a big problem.
MrGoatsmilk 6 1.5k England
17 Feb 2011 8:13PM
Some on SGL use Astronomiser , but quite a few go DIY SGL . Either way there will be plenty of help and advice there.
User_Removed 10 17.9k 8 Norway
17 Feb 2011 9:48PM

Quote:...you just need the right thickness screw driver - makes it a doddle.



...and that I have!

Wink
MikeA 10 1.2k England
18 Feb 2011 9:18AM
I had my old D10 converted using Astronomiser , works a treat and at a reasonable price.

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