Wide angle for nikon

Has anyone here used both the 20mm Nikon 2.8 and the 20mm Sigma 1.8?
I'd be keen to hear your opinions. I've been thinking about getting a
wide angle lens and these two seem to be within my budget. I don't
shoot a whole lot of photos, but most of what I take are landscapes. I
don't think I'd personally notice a big difference in quality (build or
optical) between them but then I'm not really an expert. The Sigma is a
bit faster which is nice, but my other lens is 62mm so I could use the
same filters.

Jimmytraction@googlemail.com

Re: wide angle for nikon

Panorama Tools has always had this capability. Also, a large number of
SLR lenses have this sort of wavy line distortion to some extent. Even
the Zeiss 21mm Distagon suffers from it.

Re: wide angle for nikon

In message <1149072306.571383.229160@c74g2000cwc.googlegroups.com>,
jimmytraction@googlemail.com writes
Haven't used the Sigma, but the Nikon is superb. You don't need the
extra speed at that focal length. If you are after a price / value
comparison, then that's a different mater, otherwise, just get the
Nikon.
--
Alex Wilde

Alex Wilde

Re: wide angle for nikon

The 20mm f/2.8 Nikkor is a good, sharp lens but it has a particularly
nasty form of distortion called "wavy line" or "moustache" distortion.
If you shoot landscapes you probably won't notice it, however it is
sometimes painfully obvious when shooting buildings. I don't know if
any software correction (Photoshop plug-in) is available for this type
of distortion.
If you are using 62mm filters you already own, make sure they are of
the slim type, otherwise you will get vignetting. For example, don't
even think of using 62mm Tiffen filters on the Nikkor.
I haven't used the Sigma.

Tony Polson

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