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

Started Apr 6, 2013 | Discussions thread
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Steen Bay Veteran Member • Posts: 6,973
Re: LX7 - does its IQ compete with e.g. Sony RX100?

ultimitsu wrote:

kkardster wrote:

The sensor specs favor the RX100 but the brighter and sharper LX7 lens often makes up for its lesser sensor.

This is a common misconception.

LX7 does not have a faster lens.

LX7's lens is 4.7mm F1.4, aperture is 3.6mm in diameter, actual opening is 10.2mm2

RX100's lens is 10mm F1.8, aperture is 5.6mm in diameter, actual opening is 24.6mm2

RX100's lens lets in 150% more light. it is much much brighter.

If so, then I guess that the RX100 lens is faster/brighter at the long end than it is at the wide end, because the aperture diameter at the long end is 7.6mm (37.1/4.9 = 7.6mm).

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