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Sun Jun 21, 2015 6:12 pm
I'm new here and new to photographty. Eventually I'd like to do some astro photography but for now I'm sticking to DSLRs.
I'd like to know where I can buy a screw-in filter for taking images of the Sun. Is there anything available in the market.
I've searched the internet and found Thousand Oaks but I think they only do filters for telescopes.
If anyone has suggestions kindly let me know.
Fri Jun 26, 2015 12:00 am
The main problem is that the sun is relatively small in DSLR terms, only covering half a degree in size, and any interesting items on the disc are going to be even smaller, so even a telephoto lens isn't going to show an awful lot.
That said, you can buy A4 sheets of Baader film that gives about a 100,000 reduction in the light intensity, and you could cut out discs and make your own filters to attach to the front of your existing lenses, and held on by elastic bands or similar (I made cardboard collars that fitted very snugly on the front of my binoculars - they need to fit snugly so you can be sure that there is no way the filters can come off).
This will give you a 'white light' view, so you won't see granulation or any arcs, but you may see the umbra and penumbra of larger sunspot groups.
Mon Jul 20, 2015 7:59 pm
I'm getting some results by attaching a DSLR to my telescope. I'd like to do it with hydrogen alpha light but the PST has a limited focus travel.
Mon Sep 21, 2015 7:35 am
I'm now getting some good results with my Nikon D3200 and Skymax 127:http://sungazer127mak.blogspot.co.uk/20 ... -2015.html
You need a T-ring and an adaptor to attach the camera to the telescope.
The optics must be squeaky clean and the D3200 helps because it is self-cleaning.
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