understanding sharpness issue ZM Biogon 28mm?

Started 2 months ago | Discussions thread
jaeae Regular Member • Posts: 222
Re: understanding sharpness issue ZM Biogon 28mm?

Sylvain G wrote:

Sadly, I've shot a couple of rolls (ektar 100 and portra 400) and have found the results to be extremely soft. One great joy of that lens should be hyperfocal shooting so I set it at f/8, set the focus scale infinity mark on f/8 and thus I was supposed to get 1.5m to infinity DOF, theoretically.

Hmm. When you focus with rangefinder for example to about 2.5 meters (measure with tape), does the focus scale on the lens show the same? Or thereabouts?

For 28mm, hyperfocal is something like 3 meters. If you put infinity mark to f/8 mark, is the focus mark @ 3m or thereabouts ?

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