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<blockquote data-quote="johnwartjr" data-source="post: 7178" data-attributes="member: 2176">NEF is the Nikon file extension for RAW, like CR2 is the Canon extension for RAW. Different camera manufacturers use different extensions for their RAW files - RAW is the raw data from the sensor. Nikon RAW is not the same as Canon RAW is not the same as Sony RAW.FX is Nikon's 'full frame' sensor, which is 24x36mmDX is Nikon's 'crop' sensor, which is 16x24mmThe sensor is the most expensive part of a DSLR body - so the cameras with DX sensors cost less than FX sensors.A 10MP DX sensor has as many pixels as a 10MP FX sensor - but the sensor is smaller on the DX camera, so the pixels are smaller - which starts to create more noise at even low ISO. A D300 has a 12.3 MP DX sensor, a D700 has a 12.1 MP FX sensor - percentage wise, not a huge difference in number of pixels - but since the D700 has a larger sensor, with larger pixels, it is less sensitive to noise. One of the things I've wondered about the D7000 is how noisy it is at lower ISO. You're adding roughly 33% more pixels over the D300/D90, but the sensor is the same size. That seems to lead me to believe it has the potential to be noisy.</blockquote>

[QUOTE="johnwartjr, post: 7178, member: 2176"] NEF is the Nikon file extension for RAW, like CR2 is the Canon extension for RAW. Different camera manufacturers use different extensions for their RAW files - RAW is the raw data from the sensor. Nikon RAW is not the same as Canon RAW is not the same as Sony RAW. FX is Nikon's 'full frame' sensor, which is 24x36mm DX is Nikon's 'crop' sensor, which is 16x24mm The sensor is the most expensive part of a DSLR body - so the cameras with DX sensors cost less than FX sensors. A 10MP DX sensor has as many pixels as a 10MP FX sensor - but the sensor is smaller on the DX camera, so the pixels are smaller - which starts to create more noise at even low ISO. A D300 has a 12.3 MP DX sensor, a D700 has a 12.1 MP FX sensor - percentage wise, not a huge difference in number of pixels - but since the D700 has a larger sensor, with larger pixels, it is less sensitive to noise. One of the things I've wondered about the D7000 is how noisy it is at lower ISO. You're adding roughly 33% more pixels over the D300/D90, but the sensor is the same size. That seems to lead me to believe it has the potential to be noisy. [/QUOTE]

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