Pekka Potka's take on the A7R and the EM1

Started Nov 12, 2013 | Discussions thread
amalric
amalric Forum Pro • Posts: 10,839
Mirrored and non mirrored FF35 different in action shooting...
1

digitalphotographer wrote:

marike6 wrote:

Timur, everything you are talking about makes the assumption that you are shooting static subjects, things that never move. Even leaves blowing on a tree or a macro of a flower, you have the situation where IBIS can allow you to handhold, but won't freeze your subject. The clean high ISO files of the A7r will.

Which is precisely my point. The whole case for IBIS the in the comparison article, the author makes a huge assumption that subjects will not move. And we all know that is rarely the case in real life. So for a large variety of subjects, there is no replacement for faster shutter speeds.

Precisely! I mean I loved my EM5 to death, and now the EM1 is also a godsend, but often times when I need to freeze motion, the IQ starts to break down fast, especially in low light situations!

That's why I started search for a FF camera to compliment my EM1, because my D800E is insanely heavy and hurting me on long shoots. A7R was the initial replacement candidate (light and high res), but Df (super high ISO) is also being considered.

Right now I'm wondering if A7 (compromise between resolution and ISO) would be the ideal compliment to my EM1!

Sorry for chiming in at this point. The badly lit gym or ice hockey stadium has always been an argument for big mirrored FF guns.

But again we are in the realm of specialised uses, which don't impact many of us on this side of the pond, if one is not a PJ.

More pertinently, did you notice how slow in fps are the A7? And that in turn might be related to slow AF too. So the new FE Sony format might have v. little to do with pro action mirrored cameras.

At least we know that the EM1 is v. good outdoors, thanks to the new CAF and v. fast fps. This was shown with the galloping horse at the Irish castle, at Oly's EM1 introduction.

Would the A7 have been able to do the same? I am not sure at all.

One can argue that the A7 are just beginning their life cycle and they will become faster, but they have to compute a lot more pixels and information compared to a mirrored FF35 so it's not a given. BTW this impinges also on the battery. Will they ever make good action cameras?

I don't care, but I care v. much about 5 axis IBIS because it's on all the time - so I understand P. Potka. On the OM-D ultrafast AF and fps are now a given and this is compounded by rock steady IBIS.

There is nothing similar on the mirrorless FF35 side. It's only mirrored FF35 that might have both the speed of operation and the high sensitivity.

Am.

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