What is a full senser in a digital slr really do?

Question

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Answer 1

A full frame sensor covers the same area as a 35mm negative.

Answer 2

Full sensor means sensor size is equivalent to the "old" 35mm film frame size - Full size sensors are normally confined to the pro end of the D-SLR market.  Further down the range you get smaller sensor sizes based on the APS film standard (which never really took off - because it offered nothing that could not be achieved by cropping a 35mm frame).  The main advatages of full size sensors are better image quality and better support for ultra short focal lengths.  However, smaller sensors give what is known as a crop factor which is very useful with longer focal lenght lenses.  E.g. a 400mm lense on a full frame DSLR is equivalent to a 400mm lens on a 35mm camera whereas a 400mm on a camera with an APS/C (crop factor 1.6x) gives a 560mm equivalent - extra telephoto for "free"!

Answer 3

well collects more data. that's why a camera and a phone camera with the same resolution seems so much different. the censor in the camera is much bigger. do 35mm full frame is good but personally a dx frame is good enough for much less mone. the d700 fx full frame is coming out too.

Answer 4

Basically the larger sensor collects more data therefore you have more information for your file and the image is supposedly better.

The downside to some full frame sensors is that edge quality is lost, it has been an argument for some time as to which is better Dx or full frame, personally I prefer my D300 DX sensor to my D3 sensor I seem to get the image data that I need with more even quality across the whole frame.

Check out these sites and make up your own mind.

Good Luck