Rank Oly lenses in terms of sharpness

Started May 5, 2014 | Questions thread
Sergey Borachev Veteran Member • Posts: 3,828
Re: Rank Oly lenses in terms of sharpness

Pic Man wrote:

According to DXO:

1. Olympus 75mm 1.8 is top

2. Then equal second is the pan leica 25mm and panasonic 20mm

3. olympus 12mm f2, 60mm macro, sigma 60mm f2.8 and panasonic 35-100 f2.8 zoom

4. olympus 45mm 1.8, oly 12-40 f2.8, pan 12-35 f2.8, pan 7-14 f4

These were all tested on the EM1,

The new pan leica 42.5 f1.2 and 15mm f1.7 have also been tested but not on the EM1. They were tested on the EM5.

The 42.5 is sharper than the olympus 75mm 13mpx over 12mpx.

The 15mm has the same sharpness as the pan leica 25 and panasonic 20mm.

I think "the same sharpness" is too vague.  We need results from more revviews than DXO, on specific resolution for the different apertures, at centre and edges, before we know for sure.  I have my doubts because the 15mm is clearly compromised in design by having to have a small diameter so that it can be used with the GM1 without protruding from the bottom of the camera.  The 25mm does not seem to have any size constraint in design, which could mean more software correction or or more issues in even sharpness, and in other optical qualities like vignetting and bokeh.

With the reported delay in delivery of this lens, we may not have any reliable review for a long time.  I don't like any unexpected delays.  It could mean problems, including problems found by reviewers but only made known to the manufacturer.

These are just sharpness results.

Edit: sorry just read your title again and you wanted just Oly lenses. Not sure why but I suppose you can filter out the other lenses mentioned.

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