Sony a7 and Panasonic GX7: Two Cameras sitting on my desk. Must return one.

Started Jan 5, 2014 | Discussions thread
dlee723 Forum Member • Posts: 74
Rank your priorities

I would make a list of what matters to you from a camera (Resolution, High ISO performance, AF in different lighting, lens selection, lens cost, etc) and rank them in importance.  Then just put which camera is better in each category.  The camera with more important features should win.

On a related note, I was at medieval times (don't judge, date night) with the A7r with a 35/1.4 and GM1 with  45-150mm attached.  The GM1 with lens weighs about 400 grams so it was lighter than carrying a full frame zoom.  Not exactly the same as what you're deciding but the GM1 has the same sensor/processor and the A7r performs similar to the A7.

It's basically all low light shooting at that venue.  For me the strengths of the A7r were high iso performance and general image quality.  The depth of field differences of a full frame is also pretty big if you're trying to isolate a subject.  Even though the lens was manual, I haven't had good results with low light AF using the A7r.  The GM1 on the other hand performed quite well auto-focusing in low light situations.  The lens size is also magnitudes smaller and lighter.  (especially when you have to compare it to a 300mm ff lens)  I was able to capture action shots like I was standing right next to them.

For me, image quality on still pictures is the number 1 criteria, so I use the A7r more often.  But If I was interested in taking pictures of kids or use zoom lenses more often, I would probably use the GM1.  I rarely carry both cameras and the way I decide is what's more important for me at the location I'm going.  You've already made a similar type of analysis but maybe rank them in importance.

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