Rethinking 4/3 Depth Of Field

Started Apr 11, 2013 | Discussions thread
John King
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Joe James on astrophotography ...
In reply to Great Bustard, Apr 13, 2013

Great Bustard wrote:
In any case, you seem keen on the subject of astrophotography.  Tell us, then, what might be the ideal settings for an EM5 and 6D if two competent astrophotographers were photographing the same scene from the same spot, and why do those settings result in a better photo with the EM5?

Are you serious?

The serious amateur astrophotographers I know have spent a goodly amount of their lives learning how to do these things, and you seriously expect anyone to answer the simplistic question you have posed?

I will ask you some simple questions that you could perhaps incorporate into your question:

- What telescope/lens is to be used?

- What type or design are the proposed optics?

- What focal length?

- What size of objective lens or mirror does it have?

- What kind of mount do you suggest as the best kind for this use?

- What kind of drive system is to be used?

- What kind of controller would you suggest?

- Why not use an SBIG camera? They are purpose-built for this pursuit, after all ...

There are plenty of other non-random variables that are implicit in your question. Perhaps you could educate us as to what these might be?

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