Have been reading one of Michael Erlewine's books and he mentions buying FX lenses as opposed to DX lenses.
Does -S always mean DX and lack of -S always means FX?
EOS -S = DX?
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EOS -S = DX?
Alan Estes, http://AristiEstes.imagekind.com/
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Charles Krebs
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In Canon lingo, the "S" as in "EF-S 60mm f/2.8" indicates the lens was designed to be used with the Canon bodies that use the smaller sized sensor (APS-C... for Canon cameras that's about 22.3x14.9mm). I don't think they can even be mounted on a Canon full frame (24x36mm) body without some minor "surgery". But there is really no point to try... they do not have a large enough image circle to "cover" the larger format. Also, on some the rear elements protrude a little deeper inside the body... the smaller mirror on an APS-C sized body will clear it, the mirror on a full frame body will not!
There's no problem using a "full-frame" EF lens on a smaller frame body. But if you really like a very wide-angle view (for things like landscapes, interiors) you will probably need to consider an "S" lens at least for this type of shot.
There's no problem using a "full-frame" EF lens on a smaller frame body. But if you really like a very wide-angle view (for things like landscapes, interiors) you will probably need to consider an "S" lens at least for this type of shot.