LX7 - does its IQ compete with e.g. Sony RX100?

Started Apr 6, 2013 | Discussions thread
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Cyril Catt Veteran Member • Posts: 3,944
Re: LX7 - does its IQ compete with e.g. Sony RX100?

Erik Ohlson wrote:

Markr041 wrote:

Erik Ohlson wrote:

Markr041 wrote:

There are reasons, apart from video, to shoot wide open in bright light, :

- to play with shallower dof, when upping the shutter is not enough to achieve the correct exposure [...]

Really?

Actually, with these tiny focal length lenses (actual, not "equivalent") the DOF effects are negligible. [...]

-Erik

"Actually, with these tiny focal length lenses (actual, not "equivalent") the DOF effects are negligible."

Really?  I do not have to rely on authorities, I have the camera. And there is a lot you can do with dof.

Here are some examples (if you do not like them, that is fine, but they show playing with dof):

And, at full telephoto (such as it is) and wide open, the dof is shallower on the LX7 than on the RX100. Look it up.

[...]Trying to increase DOF with aperture is countered by deleterious diffraction.[...]

-Erik

Erik, Markr041 seems to have left this discussion, but I think he was trying to show a decrease in DOF, not an increase.

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Cyril

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