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<blockquote data-quote="crycocyon" data-source="post: 138261" data-attributes="member: 13076">Both D800 and D800e shoot 4fps in FX mode and 5 in DX mode, 6 in DX plus grip. It isn't just how big the sensor is but actually how large each pixel is and its sensitivity to light, whether it has a microlens, etc.. Think of it as the number of photons hitting the surface per unit area of pixel. Larger pixels collect more light so they tend to be more sensitive and have better low light performance (less noise). Larger sensors tend to have larger pixels. I believe the D800 pixels are, for example, larger than those of the D7100 because the D7100 has higher pixel density for its chip size. Size of the sensor along with size of the pixel determines pixel density per unit area. Higher density means each pixel collects less light assuming overall area stays the same.Edit:Pixel pitch for respective cameras:D7100&nbsp; 3.91 umD800&nbsp;&nbsp; 4.8 umD600 5.96 umD4&nbsp;&nbsp; 7.4 umD4 has the largest pixel size in the group which partly explains its excellent low light performance, irrespective of sensor size.</blockquote>

[QUOTE="crycocyon, post: 138261, member: 13076"] Both D800 and D800e shoot 4fps in FX mode and 5 in DX mode, 6 in DX plus grip. It isn't just how big the sensor is but actually how large each pixel is and its sensitivity to light, whether it has a microlens, etc.. Think of it as the number of photons hitting the surface per unit area of pixel. Larger pixels collect more light so they tend to be more sensitive and have better low light performance (less noise). Larger sensors tend to have larger pixels. I believe the D800 pixels are, for example, larger than those of the D7100 because the D7100 has higher pixel density for its chip size. Size of the sensor along with size of the pixel determines pixel density per unit area. Higher density means each pixel collects less light assuming overall area stays the same. Edit: Pixel pitch for respective cameras: D7100 3.91 um D800 4.8 um D600 5.96 um D4 7.4 um D4 has the largest pixel size in the group which partly explains its excellent low light performance, irrespective of sensor size. [/QUOTE]

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