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Keep Shooting! Photography Assignments (04 Feb 2013)

Be sure to check out the new Keep Shooting! Photography Assignments, every two weeks there is a new one!

cazillo.com/c/forum/keep-shooting-photography-assignments.html

lens info

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5 years 2 months ago #504 by Gregory Cazillo
Greg, thanks for all the great advice! Do you think you could make a video explaining what all the letters/numbers mean on the side of Nikon lenses? Like whats the D vs G designation, FX vs DX, ED-IF, AF-S, AIS,etc. Thanks, Mark from North Dakota.

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5 years 2 months ago #508 by Serdar Dikdik
when you buy a nikon lens it comes with a piece of paper inside with all the definitions of the lens letter and numbers (atleast in my country)

but greg I really can not understand when they put on the gold ring around the lens.Is it because of a mechanical feature they use, or lens structure (forexample if it is above two groups and 12glass inside)
how they decide the gold ring

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5 years 2 months ago #522 by Brian
I believe its nikons version of canon's red ring.

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5 years 2 months ago #524 by Serdar Dikdik
yes but how they decide to put them on. I mean mechanically why

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5 years 2 months ago #527 by Andrew Olson
Not sure if you were set on doing a video Greg, but here is a few links for all the lens names and acronyms on Nikon lenses.

bythom.com/lensacronyms.htm

imaging.nikon.com/lineup/lens/glossary.htm

Andy

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5 years 2 months ago #536 by dave seymour
Red ring all the way :) :) :)
cough canon lover :)

7D. 24-105L.
50mm f1.8
100-400 f4.5.6 IS
430exii.

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5 years 2 months ago #591 by Brian
If the quality of the lens is top notch, it has a gold ring? All of the lenses with a gold ring are built to last. Its not determined by the lens elements they are made of...

The same reason red rings are valued so high. They are built above consumer level standards, and tend to perform better in comparison to non- red ringed.

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5 years 2 months ago #601 by Christian Udarbe
Do the gold rings also apply to Sigma line of lenses? LOL never did know about these rings signifying something :oops:


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5 years 2 months ago #602 by Serdar Dikdik
While looking for the physical reason for these coloured rings, many says because of the ed glass element they use. ( some ED lenses do not carry the ringbecause there is the ED element but in lower amount. Nikon and Canon shows there is the ED element but they do not state the amount or thickness of the element, thas why some of them does not cary the ring.)


But the answer that satisfied is written by someone I found on a form
"actually the paint in the gold ring contains rare earth elements that create modulating anti matter fields that help stabilize the light particles entering the lens.

this helps reduce pin cushion and barrel distortion."

Hahaha perfect answer, nothing more to say end of the topic.

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