Why has Canon sensor technology stalled?

Started Dec 12, 2012 | Discussions thread
zigi_S
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Re: DXO is for buying decision, not for improvement photos
In reply to 007peter, Dec 12, 2012

007peter wrote:

Suave wrote:

What are DXOMark ratings and how do I use them to improve my pictures?

You don't. DXO isn't useful in improving photos; its useful when you're Buying Camera. The SENSOR score is a combination of 3 factors:

  • 2. Landscape Dynamic Range - prevent over-blown SKY - a common canon problem. Google infamous "canon white sky" where is the blue?

Blown highlights aren't a "common Canon problem" but a problem of all digital cameras. The DR in highlights for most apsc cameras is from 3 to 4 stops. The advantage that sony sensors have is low read noise. Which means it has cleaner shadows and consequently a "deeper dynamic range". Canon offers to those unable to turn exposure down for 2/3 EV the highlight tone priority option. Which simulates the tone curve that nikon uses by default(that's why iso starts at 200). DXO is not particurly useful for those who don't know how to read the data. And the scoring system is a joke. One would think that by DXO best list, nikon dx cameras have the same IQ as FX or even medium format, while canon apsc cameras which in reality have more or less the same IQ as nikons dx cameras, can play only with point and shoots.

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