As regular viewers will have noted I have this love hate thing going on with my Sigma 20-40, basically its as much use as a chocolate teapot, banging blue/yellow chromatics and a squishyness below f6.7. Trouble is its just not wide enough for me, and I can hear you all say, 'Go on you plonker get one off e-bay'. Her indoors has put on an embargo on any more purchasing 'til I flog a load of 'unwanted' stuff.But they're all my babies!!!!! So here is an experiment in making the old standard lens appear to have that wide angle look.

Bit of a fiddle in shadow/highlight to get some detail back under the bridge, remove some gunk from bottom lhs.Do a copy layer and then edit>transform>distort. Just drag out the image 'til you get the wide angle look.