a ultra wide len that allow me capture wider view .. and this is useful for nightscape , milkyway shooting as it also have wide aperture (F2.8)
—> it come with thread can fit 95mm CPL or UV protection and available from CZ but separate order
if you interest , it is available to purchase HERE
Sample pictures from this len
update 2013 Nov 13
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looking for Carl Zeiss lenses for canon, Nikon Mount