Sigma launches new ART versions of their 30mm and 19mm f2.8 and new 60mm f2.8 lenses

Started Jan 29, 2013 | Discussions thread
Jun2
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Re: Sigma launches new ART versions of their 30mm and 19mm f2.8 and new 60mm f2.8 lenses
In reply to spacemn, Jan 30, 2013

spacemn wrote:

Another thing.

I find it a it funny that the physical aperture size on the Sigma DN 60/2.8 and the Sigma DC 30/1.4 is exactly the same: 21.429mm

So the bokeh and highlight effect should be similar perhaps(??)

only if the distance is the same.  Because the lenses are used differently, that' s usually not the case.

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