Just got a new 50mm f/1.2 AIS and just wanted to share my hapiness over my new toy! From what I can see it's really good and sharper than my 50mm f/1.4 AI and my 50mm f/1.8 AF-D at their corresponding maximum apertures. At f/1.2 it doesn't look bad at all and I will have no problem shooting it wide open when needed. Shooting at f/1.2 is not as difficult as some imagine when it comes to DOF. DOF is dependent on magnification which is a function of focal length and distance. At 20 ft with a 50mm DOF at f/1.2 is about 1 feet in front and a little more than 1 feet behind (DX). Shutter speed will be almost 6 times faster than your typical pro zoom at f/2.8. For instance if you shoot at ISO 1600, f/2.8, 1/8s, with f/1.2 you can use a shutter speed of 1/45s instead. If you need something for low light photography and you can live with manual focus it may be something you'd want to consider. Price is from $500 and it is in stock at B&H right now. Peter PS. I might post some pictures later.