sigma 30mm f1.4 and fa31mm


Link Posted 12/01/2012 - 23:51
Probably a silly question that I already have my own answer to, but would wonder if anyone has had experience with both lenses and can give a bit of a comparison?
I'm in slight limbo trying to move into a 3 prime lens set up but can't really justify spending another considerable sum of money to fund the 15mm, so selling the 31mm to fund a sigma plus the 15mm would sound like a financially sensible idea, just wonder how viable will it be optically!

Thanks guys!


Link Posted 13/01/2012 - 00:01
I haven't used both but I have used the Pentax 31mm, which is exceptional. That probably answers the question in a way.
Best regards, John


Link Posted 13/01/2012 - 05:30
Personally I'd go ahead and do that IF your photography with the 31 is of a style that will suit the 30/1.4 as they are vastly different lenses.

15 Ltd - I'd sell my soul for this one ! Fantastic lens.
30/1.4 : extremely sharp in the centre and softer on the edges (though I have still used it for landscapes but I use an MF dedicated lens for landscapes now). It shines if you want f1.4 over f1.8 for low DoF shots where it's superb and very sharp wide open. Excellent for portraits and street shooting. One of my default on camera lenses. Slightly cooler colour rendition (more Canon-ish) than Pentax but easily boosted in PP if you prefer.

One of the very few landscape shots I have with the 30 (taken hanging out of a window) ! Pentax. Pentax DA*300/4, Cosina 55/1.2, Lens Baby Composer Pro & Edge 80, AFA x1.7, Metz 50 af1.
Nikon. D800. D600. Sigma 500/4.5, Nikon 300/2.8 VRII, Sigma 120-300/2.8, Zeiss Distagon ZF2 21/2.8, Zeiss Distagon ZF2 35/2.0, Sigma 50/1.4, Nikkor 85/1.8, Nikon TC20EIII, Nikon TC14EII, Kenko x1.4, Sigma 2.0
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