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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 16 Mar 2014 (Sunday) 23:02
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what is the diff btw DC, DG, DN for lenses????

 
MJ ­ Chong
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Joined Mar 2014
     
Mar 16, 2014 23:02 |  #1

Hi, all. I'm new here. Just started to hv my own DSLR (Canon 1100). thinking of adding some lenses. but stay a bit confuse bout the DC, DG, DN format lenses. Can anyone give me an explain on that???
Really appreciate for that......Thanks.....:D:D:D:D:D:D




  
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peeaanuut
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Mar 16, 2014 23:06 |  #2

those designations are from the SIgma line of lenses. Taken from their FAQ

http://www.sigmaphoto.​com/service-support/faqs (external link)

The DG designation applied to most newer Sigma lenses indicates that the lens is especially suited for use with digital SLR cameras. The DG lenses feature improved (more even) light distribution from image center to edge, and incorporate the latest multi-layer lens coatings to avoid reflections of the sensors of digital cameras. This is important in digital photography, but is also useful in 35mm photography, especially when slide film is used. Lenses designated as DC are designed exclusively for use with digital cameras having APS-C size image sensors. They feature smaller image circles and often feature shorter focal lengths (e.g. 10-20mm DC, 17-70mm DC, 18-50mm DC, 18-200mm DC, etc.). The shorter focal lengths are desirable, because most digital SLR cameras have image sensors whose dimensions are considerably smaller than a 35mm negative (usually by a factor of 1.3X to 2.0X), making the lens’ angle of view equivalent to that of a longer lens on a 35mm cameras.

DN is their line for mirrorless cameras.


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MJ ­ Chong
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Hatchling
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Joined Mar 2014
     
Mar 17, 2014 00:24 |  #3

thanks lot....




  
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hcbph
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Mar 17, 2014 08:42 as a reply to  @ MJ Chong's post |  #4

Not stated, but DG lenses work on full frame or APS-c sensor cameras while DC only work on APS-c cameras (per Sigma's website). I believe there is a slight enlarging on APS-c camera using a DG lens. I've used both (DG & DC) type lenses on my Canon T4I and they work just fine, it's a APS-c camera.




  
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what is the diff btw DC, DG, DN for lenses????
FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
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