Sigma 70-200 F2.8 EX

12 years 9 months ago #55655 by SJM
They emphasize this lens is using "FLD" Glass?? What exactly is that? Looks like a good lens, it has won some awards. I'm just wondering how it compares to the Nikon 70-200mm?

Country guy living in the big Apple!
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12 years 9 months ago #55795 by Fiesta!
I just bought one of their 10-20mm wide angle lenses and I love this lens :thumbsup:


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12 years 9 months ago #55832 by ArtWagner
Sigma makes good glass. What is the sticker price on that lens?


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12 years 9 months ago #55837 by Screamin Scott
The answer (from Sigma's site)
FLD ("F" Low Dispersion) glass is the highest level low dispersion glass available with extremely high light transmission. This glass has a performance equal to flourite glass which has a low refractive index and low dispersion compared to current optical glass. FLD glass offers superior optical performance, equal to flourite, at an affordable price.

Scott Ditzel Photography

www.flickr.com/photos/screaminscott/

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12 years 9 months ago #56061 by HawaiiGuy

Screamin Scott wrote: The answer (from Sigma's site)
FLD ("F" Low Dispersion) glass is the highest level low dispersion glass available with extremely high light transmission. This glass has a performance equal to flourite glass which has a low refractive index and low dispersion compared to current optical glass. FLD glass offers superior optical performance, equal to flourite, at an affordable price.

:goodpost: :agree:


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12 years 9 months ago #56098 by Stealthy Ninja

HawaiiGuy wrote:

Screamin Scott wrote: The answer (from Sigma's site)
FLD ("F" Low Dispersion) glass is the highest level low dispersion glass available with extremely high light transmission. This glass has a performance equal to flourite glass which has a low refractive index and low dispersion compared to current optical glass. FLD glass offers superior optical performance, equal to flourite, at an affordable price.

:goodpost: :agree:

:goodpost:
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