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Focusing on infinity with Canon STM lens

Started Dec 28, 2018 | Questions thread
OP SunfyreArt Forum Member • Posts: 55
Re: Focusing on infinity with Canon STM lens

What's the purpose of half-pressing the shutter button before you focus manually? I can't seem to find a difference. Not in the manual modes at least.

And there's the problem that I can't really tell on the screen in the night whether distant objects are in focus. Often, especially with trees for example, I thought it looked in focus, but on closer inspection on the computer later it wasn't. Usually, objects somewhere in front of it were in focus instead.

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