What does D7000 mean for FX?

Started Sep 15, 2010 | Discussions thread
bobn2
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Re: Sensor not Sony structure it seems
In reply to rhlpetrus, Sep 15, 2010

Renato,
this one is a Sony, unlike the D3100!

rhlpetrus wrote:

From Sony doc on recent sensors they make:

"In order to meet these market demands, Sony currently provides two CMOS image sensor models: "Exmor" , which adopts the "Column-Parallel A/D Conversion Technique", providing each column within the sensor with its own A/D converter to reduce noise; and "Exmor R", which applies a back-illuminated structure to enhance image characteristics through high sensitivity and reduced noise."

From Nikon on the D7000's sensor: 14 bit is built in.

"At the heart of the D7000 is a DX-format CMOS image sensor with 16.2 effective megapixels, optimally engineered to gather more quality light through sharp NIKKOR lenses. With 14-bit A/D conversion (12-bit selectable) operating within the sensor, the D7000 realizes stunning images that are richer in tone and detail than previously possible in DX format without sacrificing shooting speed or energy efficiency."

Where does that say anything incompatible with Sony's statement, especially since it is marketing puff. What is means is that this new 16.2MP sesnor from Sony has full 14 bit ADC's, which don't need the old kludge.
Just to illustrate, here's the D7000 sensor:

See the classic Sony traits, lands on all four sides, the grouping of them, the Column ADC structures top and bottom and the sequencing circuitry to the sides, just as all the other Sony sensors Nikon uses
Here's the D3100 sensor

Lands at ends only, no ADC's on chip.

Furthermore, Nikon says about the D700 sensor 'With 14-bit A/D conversion (12-bit selectable) operating within the sensor' - on chip ADC's as Sony.
--
Bob

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