Thread: Prime focus adapter and EOS t-thread...
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Old 06-03-2007, 07:51 PM
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Astroman (Andrew Wall)
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Location: Paralowie, South Australia
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Prime focus adapter and EOS t-thread...
Hi all,

I am thinking of getting these two adapters for my canon EOS 400D, would these be suitable for prime focal astrophotography and how do you keep dust out of the adapter? is there a special lens?

https://www.bintelshop.com.au/Product.aspx?ID=5551

and....

https://www.bintelshop.com.au/Product.aspx?ID=7182

Is there a way to work out what FOV I would have with the cameras Cmos chip prime focus through an 8" f6 scope?
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