A7r 24-70 vs Nex-7 16-70 vs EM1 12-40

Started Mar 2, 2014 | Discussions thread
OP LTZ470 Forum Pro • Posts: 11,926
Re: Try comparing like sizes

Bart Hickman wrote:

LTZ470 wrote:

Bart Hickman wrote:

nyoneway wrote:

This comparison is about lens not sensors. If you look at the Oly corner, it's much sharper than the Sony Zeiss.

It's amazing how a smaller image can trick us into thinking it's sharper.
I tried it both ways: 1. upsize the EM1 image so the scale was the same as the NEX-7 image. 2) downsize the NEX image to the same as the EM1 image. In both comparisons, there's no question the NEX-7 image is more detailed and you can get significantly better sharpness out of it. This applies across the frame.

I have to say the Oly image is a bit ratty-looking for a base iso image. The NEX7 image is smooth and still looks smooth after sharpening it similarly to the Oly. Perhaps it's being crippled by poor processing?


All jpegs, PP lightly...no the 16mp m43 sensor will never quite stay up with the APS-C and FF sensors, but it is surprisingly closer than most folks think or want to admit...just means that it is good enough for many situations, but I have found it is better for nature and close ups...the new Panny 42.5 f/1.2 is sharp wide open...very nice lens in m43 favor with OIS and EM1 with IBIS, the IBIS is actually better than the OIS...

I'm aware of the good reputation of many of the m43 lenses which is why I would've thought these images would be closer in quality considering the prices are similar. I don't think anybody is afraid to admit that the two systems have similar quality when you spend similar amounts of money.

Here's what I'm talking about. I'm not saying Oly image is "bad" per se--it's just noticeably worse than the NEX-7 image. You can do this comparison anywhere in the frame and the NEX-7 comes out clearly on top.

Oly on left, Sony on right


Two different sizes of photos Bart, unless you down size the N-7 or upsize the Oly...so not really comparable unless side x side at 100% both photos...

These are subjective as well, much more detail in the Oly in the grass...and on both sides of the photo the Oly out performs easily...

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