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Sigma EX DG filters

Sigma EX DG filters - Sigma have announced the launch of the new Sigma EX DG range of filters which is optimized for digital SLRs.

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Category : Filters
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Sigma EX DG filters
Press Release:
The new filters benefit from a super multi-layer lens coating developed to counteract the highly reflective characteristics of digital image sensors reducing both flare and ghosting. Black rimmed glass eliminates unnecessary internal reflections.

The Sigma EX DG range comprises UV filters, which not only reduce ultraviolet light but are ideal for protecting the lens during general photography, and Circular Polarizing (CP) filters which eliminate reflections from subjects such as glass and water and deepen the intensity of blue skies. The range of CP filters, with the exception of the 86mm, 95mm and 105mm, is encased within an ultra- thin metal ring that does not cause vignetting with wide-angle lenses.

Each of these Sigma EX DG filters is designed to accept the front cap of the lens.
View Directory Page : Sigma Imaging (UK) Ltd

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Comments


spaceman 10 5.2k 3 Wales
21 Apr 2006 2:32AM
How can a filter be "optimized for digital SLRs" ?

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User_Removed 10 17.9k 8 Norway
21 Apr 2006 3:09AM
In the same way that 'digital-specific' lenses are optimised i.e. the coatings used on the elements that make up the lens are there to reduce chromatic abberations/flare etc due to digital sensors being more prone to these problems. A filter is no different in that respect.
suleesia 9 176 Malaysia
21 Apr 2006 3:57AM
so using this on film camera would be better as well?
colin b 10 367 United Kingdom
23 Apr 2006 11:48PM
So will these reduce the flare in non-DG lenses?
IanA 10 3.0k 12 England
24 Apr 2006 1:46AM

Quote: So using this on film camera would be better as well?

Yes!

Quote: So will these reduce the flare in non-DG lenses?

Yes!

generally speaking, the DG coatings improve contrast as well!

Wink)

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