IQ of 7d w 15-85mm Vs 6d w 24-105mm?

Started Mar 8, 2013 | Questions thread
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Re: 24-105mm rated 50% better than 15-85 at dxo
In reply to MAC, Mar 11, 2013

MAC wrote:

When one buys a 5d2, don't they expect 21 MPix?

Only with perfect lens. When you buy Porsche you do not expect to be able to drive 280kph on all roads do you? only on very smooth roads or race tracks.

dxo is really going to confuse buyers of the 5d2/6d/5d3 on that one

Only people who have no idea how things work. Molst people who bother to read DXO have sufficient intelligence to get it, especially after reading DXO's explanation.

well, I've found when I process my 60d images properly, the sharpness is really nice. And if you read TDP, you'll find out that my T4i RAW images are tuned to 1dx sharpness level right out of the camera -- in RAW.

I own 60D and 70-200 F4 IS and 17-55, both considered to be Canon's finest. for 17-55 at F2.8 it loses a lot of resolution.

How did DXO test MPix? We don't know 1) how they tested?

Converted from MTF

2) what 1 number means?

Explained very well by their article and was linked by us many times.

I think they made a mistake with the crop, and sent it to farther distant places -- an error in testing

That is exactly how it should be done.

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