Nikon DX Format camera have smaller sensor compared to Full Frame Camera, Nikon's DX sensors measure 15.8 x 23.6 mm, and FX digital sensors measure 24 x 36mm. DX sensors have 1.5x crop factor, that means they are 1.5X smaller than35mm film or Full Frame Sensor.
Disadvantage of DX Format Camera: Due to less size the low light ISO performance and Dynamic range of DX format camera are limited, The Bigger FX Sensors captures more light and images have less noise.
The FX sensor, with more "light gathering" area, offers higher sensitivity and, generally, lower noise. There is, of course, no crop factor present with the FX sensor.
Advantage of DX Format Camera: Affordable, the entry level DX camera (With Kit Lens) Nikon D3100 available at $549.00 at Amazon and Entry Level FX Format Camera (without kit lens) Nikon D700 available at $2,699.95.
DX cameras have the added benefit of being able to use both DX and non-DX NIKKOR lenses-those lenses without the DX designation in their names, i.e. AF-S NIKKOR 14-24mm f/2.8G ED. And here's why.
The circle cast by a DX lens is smaller and corresponds to the size of a
DX sensor. Non-DX lenses cast a larger image circle corresponding to an
FX-format sensor.
The DX-format camera can use both types of lenses (DX and FX) since the non-DX lens image circle is larger than needed on a DX-format camera.
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Disadvantage of DX Format Camera: Due to less size the low light ISO performance and Dynamic range of DX format camera are limited, The Bigger FX Sensors captures more light and images have less noise.
The FX sensor, with more "light gathering" area, offers higher sensitivity and, generally, lower noise. There is, of course, no crop factor present with the FX sensor.
Advantage of DX Format Camera: Affordable, the entry level DX camera (With Kit Lens) Nikon D3100 available at $549.00 at Amazon and Entry Level FX Format Camera (without kit lens) Nikon D700 available at $2,699.95.
DX cameras have the added benefit of being able to use both DX and non-DX NIKKOR lenses-those lenses without the DX designation in their names, i.e. AF-S NIKKOR 14-24mm f/2.8G ED. And here's why.
The DX-format camera can use both types of lenses (DX and FX) since the non-DX lens image circle is larger than needed on a DX-format camera.
click view larger image - DX vs FX
FX-format camera with a DX lens mounted, the camera will automatically
engage its built-in DX crop mode, thus recording an image only from the
center section of the sensor.
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