Usability of Zone Focusing

Started Oct 22, 2020 | Questions thread
Mark S Abeln
Mark S Abeln Forum Pro • Posts: 18,900
Re: Usability of Zone Focusing
1

Klaus dk wrote:

It's scary and probably even stupid to disagree with Zeiss on anything optics, but I'd say the first direction is correct: Set the infinity mark at the rightmost f-stop mark to set the lens to hyperfocal distance for that f-stop.

The idea is to focus on the most important distance in the scene. Merklinger notes that stuff at infinity—if you are focused to hyperfocal distance—isn't sharp at close inspection, which makes sense

Really, you have to stand back from your print or image—at least one diagonal image width away—in order to *not* see the blur at infinity, and that's only if you have 20/20 vision, and plenty of people have better than that. And nowadays, with huge prints and pinch and zoom viewing of images on mobile devices, out of focus blur is likely more visible than in days past.

If you want infinity to be sharp, then focus at infinity. Many landscape photos have nothing but details at infinity. I see a common problem with beginners shooting hyperfocal distance, where there is nothing whatsoever in the image that is in front of the hyperfocal distance, and their images look blurry.

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