dcampbell52 wrote:
It depends... On Nikon yes all can be. On Canon, it depends on the lens mounts. Some of the Canon lenses will not work on other Canons DX or FX. I am not sure which go to which others but some of the Canon guys can clarify that.
As for othe manufactuerers again it depends. Many will not. That is one of Nikon's major advertising statements is that All Nikon cameras and lenses are compatible and have been since the 1970's or so. They claim that they are the only manufacturer that can make that statement. A word of caution though: Some of the lower end Nikon cameras, specifically what Nikon calls the Entry Level cameras (the 3xxx line and the 5xxx line .. that is the 3000, 3100, 3200, 3300, 5000, 5100, 5200, 5300, 5500 etc.) do not have a focus motor in the camera so unless the lens has a buil-in focus motor, you will have to manually focus it.. But it will still fit and work other that not autofocusing. The Nikon Enthusiest Level (D7000, 7100 D600, D610, D750and 7200 and DF) plus the Professional level (the D800, D800e, D810, D810a, D3, D3x, D4, D4s) all have the focus motor in the camera and all lenses will work. The list I provided are current and near current Nikon models but it holds true through the entire line.. I have an old D70s (the earlier realative to the D7xxx) that also has the focus motor built into the camera.
It depends... On Nikon yes all can be. On Canon, ... (
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First: use the terms "Full Frame," and "APS-C" FX and DX are Nikon terms.
Second: all Canon ef lenses can be used with all Canon Cameras; however, ef-s lenses, lenses designed for APS-C cameras should not be used with Canon full frame cameras, as this could result in damage to the lens and or the camera. It would also result in vignetting on any full frame camera even if the lens would mount. I would suggest that it is best not to give information when you do not know what you are talking about.