DotTune: Video Tutorial for AF tuning without photographs

Started Feb 18, 2013 | Discussions thread
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Robin Casady Forum Pro • Posts: 12,898
Re: DotTune: Video Tutorial for AF tuning without photographs

OOPSOS wrote:

Thank you for posting

What focal length to use if lens is not prime?

Start with the middle of the zoom range. Check the extremes to see if they are different. If they are, you have to decide what is important to you. Do you want to stay with the middle, or do you want to pick a fl. that is most important to you.

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Robin Casady
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"The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts."
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