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 Green Ring Lenses..
Hi Everyone, does anyone know or own a Canon green ring lens please, I have been told they are lighter in weight for photographers that do not want to carry around so much weight. it would be interesting to hear what other members think of these lenses, many thanks..Caroline
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hi Caroline
just found this link i noticed the green lens is heavier 720g .The USM is 630g... graham
http://www.photozone.de/Reviews/201-...report--review
There is nothing worse than a sharp image of a fuzzy concept.. Ansel Adams
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 Originally Posted by graham_c
Thank you Graham, will take a look at the link very soon!..Caroline
Last edited by travelbug; 09-02-12 at 07:30 PM.
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Green ring lenses use diffractive optics (DO) to produce high-quality results in shorter and/or lighter packages than would otherwise be the case. If you compare Canon's very expensive 400mm lenses, the weight saving is clear; on the 70-300mm lenses, it's less clear, but the DO lens is considerably shorter. The 70-300 lenses are rather interesting; Canon now has 3 different lenses, all with IS. The dearest, the L version, is simply outstanding; it is, however, a fair bot heavier than the others, and the most expensive. Between the others, there's not really a lot of difference in optical quality; both are pretty good. However, the non-DO lens is very much cheaper, so unless the physical length of the lens is important, it's probably the lens to go for.
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Originally Posted by NRoberts
Green ring lenses use diffractive optics (DO) to produce high-quality results in shorter and/or lighter packages than would otherwise be the case. If you compare Canon's very expensive 400mm lenses, the weight saving is clear; on the 70-300mm lenses, it's less clear, but the DO lens is considerably shorter. The 70-300 lenses are rather interesting; Canon now has 3 different lenses, all with IS. The dearest, the L version, is simply outstanding; it is, however, a fair bot heavier than the others, and the most expensive. Between the others, there's not really a lot of difference in optical quality; both are pretty good. However, the non-DO lens is very much cheaper, so unless the physical length of the lens is important, it's probably the lens to go for.
Thank you for your comments NRoberts, I am amazed how many different lenses there are to choose from!..Caroline
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Originally Posted by wave
Thank you for the link wave, will take a look at the link very soon!..Caroline
Last edited by travelbug; 09-02-12 at 07:30 PM.
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