DX lens on FX sensor DSLR

Started Nov 1, 2013 | Questions thread
WryCuda Senior Member • Posts: 7,264
Re: DX lens on FX sensor DSLR

geezer dave wrote:

This may sound like a dumb question, but is there a crop factor when using a DX lens such as 18-55mm AF-S 3.5-5.6G on a full frame sensor camera?

For some reason, this DX/FX question exercises the pedants. Obviously, DX lenses aren't going to cover the larger sensor properly, so you would have to crop the image to get a decent result. - However some FX cameras can be set to automatically crop the sensor when a DX lens is mounted.

Perhaps that it what you meant?

On the other hand, FX lenses on a DX sensor give happiness.

I bypass the spurious crop factor talk when explaining the effect of sensor size: "A small sensor only requires a miniature lens for the same result". Quality may be less.

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