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Panasonic Lumix DMC-GF2 Ken McMahon, March 2011

Panasonic Lumix DMC-GF2 results : Real-life resolution / High ISO Noise / Lumix G 14mm Sharpness / Lumix G 14mm vs 14-42mm


Panasonic Lumix G 14mm f2.5 H-H014 lens Real-life sharpness in the corner and centre of the frame


 
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To compare real-life sharpness in the corner and centre of the frame, we shot this scene with the Panasonic Lumix G 14mm f2.5 mounted on a Panasonic Lumix GF2 body at all apertures.

The Lumix GF2 was set to RAW to avoid in-camera JPEG corrections; all files were processed in Adobe Camera RAW with lens corrections disabled and the default sharpness settings. Magnified assistance in Live View was used to confirm the focusing.

The image above was taken with the Panasonic Lumix G 14mm f2.5 lens mounted on a Lumix GF2 body at a sensitivity of 100 ISO. The crops are taken from the areas marked with the red squares for presentation here at 100%.

Starting with the crops from the centre of the image, the Lumix G 14mm delivers pretty good results across its aperture range. Wide open at f2.5, there's a little softness, but the quality in the middle remains respectable and crisps-up nicely at f2.8 and smaller.

The corners however tell a different story. With the aperture wide-open at f2.5, there's quite apparent darkening in the corners due to vignetting; this is effectively reduced by in-camera processing, but we've shown the uncorrected RAW conversion here to reveal the performance, warts and all. There's also some softness to the crop.

There's a noticeable improvement in sharpness and light fall-off when closed even a fraction to f2.8, but it's still suffering from softness in the corners. The quality improves at f4, again with a boost in sharpness and reduction in vignetting, but this is about as good as it gets. Closing the aperture beyond f4 doesn't make a significant difference to the sharpness in the corners, and beyond f8 will begin to see the image suffering from diffraction.

It's a little disappointing not to find an aperture value where the Lumix G 14mm really shines in the corners. As a prime lens, you may have been expecting superior quality, but from this page, it would seem the Lumix G 14mm is more about achieving very compact dimensions and low weight.

So is the quality better or worse than the kit zoom? Find out in our Lumix G 14mm vs 14-42mm results page.



Panasonic Lumix G 14mm f2.5 (H-H014)
corner sharpness
 
Panasonic Lumix G 14mm f2.5 (H-H014)
centre sharpness
Panasonic Lumix G 14mm f2.5 (H-H014) corner crop at f2.5
Panasonic Lumix G 14mm f2.5 (H-H014) centre crop at f2.5
     
Panasonic Lumix G 14mm f2.5 (H-H014) corner crop at f2.8
Panasonic Lumix G 14mm f2.5 (H-H014) centre crop at f2.8
     
Panasonic Lumix G 14mm f2.5 (H-H014) corner crop at f4
Panasonic Lumix G 14mm f2.5 (H-H014) centre crop at f4
     
Panasonic Lumix G 14mm f2.5 (H-H014) corner crop at f5.6
Panasonic Lumix G 14mm f2.5 (H-H014) centre crop at f5.6
     
Panasonic Lumix G 14mm f2.5 (H-H014) corner crop at f8
Panasonic Lumix G 14mm f2.5 (H-H014) centre crop at f8


Now let's see how the Panasonic Lumix G 14mm f2.5 (H-H014) compares against the standard Lumix G 14-42mm (H-FS014042) kit zoom at the 14mm focal length. See our Lumix G 14mm vs 14-42mm results or if you've already seen enough, head-on over to our Panasonic Lumix DMC-GF2 Sample Images Gallery.



Panasonic Lumix DMC-GF2 results : Real-life resolution / High ISO Noise / Lumix G 14mm Sharpness / Lumix G 14mm vs 14-42mm



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