D7200: More Megapixels, more DR, or improved high ISO IQ? Locked

Started Mar 29, 2013 | Discussions thread
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john Clinch Veteran Member • Posts: 3,092
Re: D7200: More Megapixels, more DR, or improved high ISO IQ?

jonikon wrote:

OK, the D7100 and it's 24MP sensor is a done deal, and there is no improvement in dynamic range or high ISO image quality, which I found disappointing after all the pre-release hype. There are  just more megapixels to make birders and pixel peepers happy, but what about the rest of us?

Grainy noise and dynamic range are image characteristics that are readily seen at most viewing sizes, but more megapixels are not, and in fact you need to zoom in using a  monitor to see the detail  difference between 16 and 24MP, (assuming a quality lens sharp enough to resolve the differences).

For those of you who think you will probably pass on the D7100, what improvements in image quality would you  like to see in the D7200, if any?

Personally I would like to see virtually no noise (grainy or otherwise) at lower ISOs, even in out of camera JPEGs,  while still retaining sharpness, color accuracy, and also some improvement in dynamic range. I don't think this is too much to ask for in a $1200 body!

Nikon D7000 image

Dear Nikon,

The D7000 image quality was a step forward and encouraging, so let's see more DR and less grainy noise for the D7200 than the D7100 has please!

- Jon

High iso started to top out on the D300. DR jumped on the D7000 thanks to a lower iso setting.

I'm not sure that much more can be done in a sensor this size

As a physicist I really really hate the tone of posts like this. A huge team of very clever people dedicate huge time, expertise and experience to pushing back what is possible. Then some one on website says "Hey Nikon where is the extra dynamic range"

Lets just say that Dr now exceeds what DXO mark thought they'd ever have to measure

" We use filters having different light absorption levels ranging from 0% to 99.99% in order to test across a dynamic range of 4 density steps (= 13.3 f-stops — a dynamic range much greater than today’s digital cameras). When shooting such a chart, the sensor of the camera being tested sees a wide range of light levels, with a 1/10,000 ratio from minimum to maximum. For comparison, a printed target dynamic is typically 2 density steps (6.65 f-stops), which is inadequate to simulate high dynamic range or back-lit scenes."

$1200 dollars. I think you'll need $2500 to change the law of physics. Or a few bucks more for a D4 with a larger sensor and space for micro lenses

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