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

Started Apr 6, 2013 | Discussions thread
ANAYV Forum Pro • Posts: 16,288
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.

Yes...but shoot both and the LX7 lens will give the faster shutter speeds.

Faster glass as far as exposure...yes the LX7 has ' fast' glass....can't dispel this.

Put LX7 against full frame and all other things being equal, and both a lens on FF (f1.4) will give no faster shutter speed than the LX7 @ f1.4. Exposure is the same

so one can use the LX7 full wide open, and keep iso lower than say a camera with f2.8

that would make the other camera use 2 stops higher iso, and can add more noise and NR smearing (if shooting jpeg).

These smaller sensors need faster glass...this way one can shoot them more often at base iso, where the IQ is really good.Once higher iso is chosen...IQ goes south

RX100 sensor can't be under estimated...over 2.5 times larger than LX7 (I think) and high IQ even at high iso settings. I like the controls of the LX7...great for quick adjustments of many functions.

Multi aspect ratio sensor is also a benefit, giving closer to a 22mm wide end when shooting 16:9.


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