20mm f1.7 for Night-time Street Photography

Started Feb 15, 2014 | Discussions thread
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Ontario Gone
Ontario Gone Senior Member • Posts: 4,183
Re: 20mm f1.7 for Night-time Street Photography

s_grins wrote:

Based on my experience, small box makes AF lock faster than larger box. Based on your story, I'd deliberately point my smallest box on the light switch, lock the focus, and recompose. Try this too just to compare.

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Camera in bag tends to stay in bag...

Oh I totally agree, I usually use the smallest box for better accuracy, using recompose if needed. My tests were more for helping the OP answer his question. I would imagine it to be faster too as less surface area needs to be processed for contrast.

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"Run to the light, Carol Anne. Run as fast as you can!"

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