Another Olympus E-M1 and SONY a7 walkabout test, high ISO

Started 6 months ago | Discussions thread
blue_skies
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Re: So what's the consenses between the E-M1 vs A7 regarding noise in stops?
In reply to Stu 5, 6 months ago

Stu 5 wrote:

blue_skies wrote:

Lab D wrote:

skyglider wrote:

There's been a lot of data posted in this thread. But I'm still left wondering. Which camera system will produce better looking images with less noise in low light situations like an indoor wedding at a dimly lit church (no flash allowed)?

  1. Micro 4/3: OMD E-M1 with the 12-40mm, F2.8 Pro lens?
  2. Full Frame: Alpha 7 with the kit 24-70mm F3.5 - F5.6 OSS lens?

Sky

Sony has a 28-70 f3.5-5.6 lens and an expensive 24-70 f4 lens.

The 28-70 is a poor kit lens. The other is much better.

What does "poor" mean in this context?

Have you used it? Have you read the reviews?

It gets high remarks for a kit lens.

Hardly anyone gives high marks in reviews. One of the worst kit lenses out there. It is fine on the long end but poor on wide end and gets worse on the wide end when closed down. Also has poor quality control. Quite a lot (for a lens) get returned for 2nd or 3rd copies due to the fact when not being used some of the elements including I.S. group are floating. When used these faulty elements do not centralise correctly causing blurring on the edges and the lens sometimes not engaging I.S correctly which shows on the far right hand edge from.

24-70 still needs to be proved if it is good. First photos I saw from it showed blurring again on the wide end on the edges. Hopefully this is a one off poor sample and not a poor design.

And you know all this how?

Fwiw - Eric's review here and I put some side by sides here. Eric also reviewed the 24-70 here

The kit lens needs corrections (applied JPG or LR/pp), but once applied, the lens is fairly decent, better than the kit lenses on the Nex camera, which were rated above average, especially in comparison to the revered Canikons.

As kit lenses go, this kit lens impresses - remember that the A7 has only 24Mp and puts a lesser demand on the lenses. On an A7r, with 36Mp, the obvious choice would be the 24-70 version, which is pricier.

Kit lens example - make sure that you click on link to original to see detail

The Olympus is a stop faster, has a wider range and makes a great close up lens.

Yes, but it is a f/5.6 lens in FF equivalent terms. That is the slow end of the 'poor' kit lens (hint - it is not that poor).

So, what is the answer to Sky's question?

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Cheers,
Henry

-- hide signature --

Cheers,
Henry

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