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Panasonic Lumix GX1 - Sample Images: ISO Performance

Audley Jarvis

By Audley Jarvis



Our Score:


Lumix GX1 ISO 160

The baseline sensitivity setting of ISO 160 delivers sharp, noise-free images

Lumix GX1 ISO 200

Moving up to ISO 200 there is no visible difference in quiality to ISO 160

Lumix GX1 ISO 400

At ISO 400 there is the merest hint of softening, although this is only visible when images are viewed at 100% or more

Lumix GX1 ISO 800

At ISO 800 this softening becomes more pronounced, although again only when the image is viewed at 100% or more

Lumix GX1 ISO 1600

ISO 1600 is a touch softer than ISO 800, although overall image quality still holds up very well

Lumix GX1 ISO 3200

IS0 3200 is where noise begind to become an issue with noise visible even when the image is viewed at less than actual size

Lumix GX1 ISO 6400

ISO 6400 isn't the greatest, with very visible image degradation

Lumix GX1 ISO 12800

The top setting of ISO 12,800 is really for emergencies only

Lumix GX1 resize

Stepping outside the studio for a moment, it's important not to lose sight of how well the GX1 performs in a real-life situations. The image above was shot at ISO 800 and has been resized to fit a 15inch desktop monitor (click on the image to enlarge it). Viewed at this size the image remains perfectly sharp with good levels of detail and accurate colour reproduction. In fact, far from being problematic noise really isn't an issue at all.

Lumix GX1 a

The image of the bi-plane above was shot at ISO 1600 and, again, noise is far from being a problem. Indeed, overall image quality is very good.


November 8, 2011, 4:27 am

New Leica model incoming in 3....2.....1.....


November 8, 2011, 7:54 pm

are you sure??


November 8, 2011, 7:56 pm

ill wait for leica model to see what is better than sony.


November 10, 2011, 5:36 am

Good review, but the ISO test is not as good as it was before.
Why was the ISO test performed outside? where the lighting condition was too bright to see any noise at the darker area.
Please bring back the "Cars Test" (the red and green cars) for ISO performance tests.


January 26, 2012, 3:11 pm

Hi Editor, where is the review for the Sony NEX 5n??
The GX1 is only a slight improvement for the G3


January 28, 2012, 4:10 am

Not a really new camera worthy of a full review, and far too expensive for what it is. On top of that half the clients will never add another lens; ignorance, (theirs), is bliss, (Panasonic's).

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