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<blockquote data-quote="Fred Kingston_RIP" data-source="post: 554632" data-attributes="member: 10742">As J-see says, there are a lot of variables, and the biggest is low-light... The difference is attributed to noise. Noise is a result of heat. Without getting too technical, sensors are arrays of (for lack of a better word) little light bulbs. The longer the little bulb is receiving current, the more heat the little bulb generates, and subsequently more noise... jamming the same little bulbs into a smaller (DX) package causes that heat to bleed over to the next little bulb, and generate more heat... Spacing the bulbs further apart on the FX sensor, means less heat and less noise... Low-light means longer times, means more noise... (the above uses an analogy for non-technical folks to understand the process)There are a brazzillion web site/videos that demonstrate this phenomenon with comparisons... As J-see points out, there's almost a full stop light difference between the two cameras... and of course, that single fact, I hope wouldn't be the sole criteria for making the change... there are several other factors involved with making the change between DX and FX...</blockquote>

[QUOTE="Fred Kingston_RIP, post: 554632, member: 10742"] As J-see says, there are a lot of variables, and the biggest is low-light... The difference is attributed to noise. Noise is a result of heat. Without getting too technical, sensors are arrays of (for lack of a better word) little light bulbs. The longer the little bulb is receiving current, the more heat the little bulb generates, and subsequently more noise... jamming the same little bulbs into a smaller (DX) package causes that heat to bleed over to the next little bulb, and generate more heat... Spacing the bulbs further apart on the FX sensor, means less heat and less noise... Low-light means longer times, means more noise... (the above uses an analogy for non-technical folks to understand the process) There are a brazzillion web site/videos that demonstrate this phenomenon with comparisons... As J-see points out, there's almost a full stop light difference between the two cameras... and of course, that single fact, I hope wouldn't be the sole criteria for making the change... there are several other factors involved with making the change between DX and FX... [/QUOTE]

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