I DONT THINK SO. the ex is the deciding factor, the dc and dg are whether they fit cropped only or full frame
The question doesn't makes sense as neither implies quality.
DG is a lens coating
DC means its for camera that have cropped sensors.
Neither have any implications of quality.
The question doesn't makes sense as neither implies quality.
DG is a lens coating
DC means its for camera that have cropped sensors.
Neither have any implications of quality.
There's a list of the lens related abbreviations from Sigma here ... http://www.sigma-imaging-uk.com/support/abbriviations2.htm
and you can read the Sigma lens FAQ page here ... http://www.sigma-imaging-uk.com/support/faq/lens.htm