JonDS
newbie
Reged: 03/08/2008
Posts: 3
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I see alot of different letter when looking at Lens, APO DL UC K, what do all these mean and which ones are the best
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Roger_Provins
Made-it Man
Reged: 22/10/2005
Posts: 3059
Loc: Gloucester, UK
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Quote:
I see alot of different letter when looking at Lens, APO DL UC K, what do all these mean and which ones are the best
This page might help in understanding some of the abbreviations. 
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Rog
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JonDS
newbie
Reged: 03/08/2008
Posts: 3
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Thanks its got some of them
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Matt Golowczynski
WDC Technical Writer
Reged: 07/08/2007
Posts: 151
Loc: London
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Some abbreviations are specific to certain manufacturers, so searching their own webistes might help. The letters simply state either technology present in the lens (USM - ultrasonic motor) or state where the lens falls in the manufacturers range (such as Canon L lenses or Sigma EX). They can also indicate whether the lens is suitable for both full-frame and APS-C sized sensors (Canon EF-S as opposed to EF, Tamron DI-II as opposed to DI and so on).
Matt
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El Sid
Going potty
Reged: 14/04/2003
Posts: 9463
Loc: Sussex-by-the-Sea
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Quote:
I see alot of different letter when looking at Lens, APO DL UC K, what do all these mean and which ones are the best
It'd probably be quicker to tell us what camera you have and what lens(es) you are looking at/for. There are so many abbreviations out there the mind starts to boggle after a while.... 
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Nigel
Completely BSRIPN 
ElSid Gallery
A camera in the hand is better than one in the cupboard........
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Dave_Cox
old'n'grumpy
Reged: 12/07/2006
Posts: 3095
Loc: somewhere in Sussex
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If you look at WDC magazine, they actually have a pretty good, though not complete, list of these on the first page of the lens reviews.
(Oh the shame of it - showing that I actually read the reviews!!!. How will I ever live this down! )
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Growing old disgracefully!
http://snapper56.deviantart.com/gallery/
http://www.flickr.com/photos/dave2006/
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Matt Golowczynski
WDC Technical Writer
Reged: 07/08/2007
Posts: 151
Loc: London
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There was a more a less complete version in the issue where we had a feture on lens technology (bar a couple of the more obscure terms).
All I remember is that DL means the lens is damn lovely, and K means it features one (or more) kryptonite elements. That's right, no?
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john_g
Pooh-bah Hoo-ha
Reged: 09/05/2007
Posts: 2536
Loc: Surrey
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I wonder whether it's possible to take a soft-focus portrait if you're using a USM lens? I think it's a bit of an assumption by the manufacturer that everyone will want to apply an UnSharp Mask whilst taking a picture.
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John
Who could suppose that angels move the stars, or be so superstitious as to suppose that because one cannot see one's soul at the end of a microscope, it does not exist?
R.D.Laing The Politics Of Experience
http://www.flickr.com/photos/john_gass
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Matt Golowczynski
WDC Technical Writer
Reged: 07/08/2007
Posts: 151
Loc: London
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Indeed. And rear focusing? Surely these are just lenses for perverts, no?
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JonDS
newbie
Reged: 03/08/2008
Posts: 3
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i have just got a sony A200 and i got a 70-210 sigma UC zoom for £57 of ebay, was just woundering what UC was. Very new to digital photography.
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Benchista
Wich Tyler
Reged: 11/08/2000
Posts: 37849
Loc: Everywhere and nowhere, baby
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UC? Ultra Compact.
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Nick
www.nbrphoto.com
Light and Shade II - the new blog
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Matt Golowczynski
WDC Technical Writer
Reged: 07/08/2007
Posts: 151
Loc: London
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After a little online digging, it does indeed appear to be ultra compact.
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Benchista
Wich Tyler
Reged: 11/08/2000
Posts: 37849
Loc: Everywhere and nowhere, baby
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It's one of the tags Sigma started using in the early to mid 90s, from memory. I've still got a Sigma 75-300 UC APO in Canon fit that I bought at a Sigma demo day at Tecno in Birmingham around that time - it doesn't work with current cameras and is too old to be rechipped, and I couldn't even flog it on ebay last time I tried. That said, it produced respectable quality for the price. It's not what I would call "ultra compact", but ISTR that the 70-210 was pretty small.
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Nick
www.nbrphoto.com
Light and Shade II - the new blog
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