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Lens review

Panasonic Lumix G 12-60 mm f/3.5-5.6 ASPH. POWER O.I.S.

15 October 2016
Szymon Starczewski

4. Image resolution

The resolution test of the Panasonic Lumix G 12–60 mm f/3.5–5.6 ASPH. POWER O.I.S. was based on RAW files from the Olympus E-PL1. In case of that body the highest values reached by the best fixed focal length lenses amount to about 80 lpmm (the record of 83.8 lpmm belongs to the Sigma C 1.4/30 with the Voigtlander 0.95/25 and the Olympus 1.8/75 close behind). The decency level is set near 44-45 lpmm.

Let’s glance at the graph below and check how the tested lens compares in the frame centre.

Panasonic Lumix G 12-60 mm f/3.5-5.6 ASPH. POWER O.I.S. - Image resolution

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The best results are observed at the shortest focal length where the lens presents a truly brilliant level. With the increase of the focal length the performance decreases. That effect is not only connected to optical properties but it is also a consequence of a decreasing fastness of the tested instrument and its limitations due to diffraction. Still you should emphasize the fact that even at the maximum focal length you get good results and the lens remains sharp already from the maximum relative aperture. The performance is noticeably better than that of the Olympus 12-50 mm.

Now let’s check the edge of the frame – an appropriate graph is presented below.

Panasonic Lumix G 12-60 mm f/3.5-5.6 ASPH. POWER O.I.S. - Image resolution


The situation is not so rosy any longer. In fact we don’t have any reservations only when it comes to the shortest focal length. In the 35-60 mm range the lens has problems with producing fully useful images not only at the maximum relative aperture but also on stopping down. As a kind of consolation you might add that the edge of the frame is the best exactly in a place you need most often. While taking landscape or architecture photos you employ wide angle the most and it must be sharp across the frame. The tested Panasonic is able to provide you that. When it comes to longer focal length you are often interested only in one part of the frame as the rest belongs to blurry background so a weaker performance on the edge is not so bothersome anymore.

Traditionally we end this chapter by presenting crops taken from photos of our resolution testing scene in the frame centre. It’s worth reminding that these are JPEG files straight from the camera which were saved along RAW files, described above.

E-PL1, JPEG, 12 mm, f/5.6
Panasonic Lumix G 12-60 mm f/3.5-5.6 ASPH. POWER O.I.S. - Image resolution
E-PL1, JPEG, 60 mm, f/5.6
Panasonic Lumix G 12-60 mm f/3.5-5.6 ASPH. POWER O.I.S. - Image resolution