I am shooting with a 500D and am looking into getting a lens for low-light, shallow depth-of-field pictures.


I currently have:


10-22 mm f/3.5-4.5 USM


28-135 mm f/3.5-5.6 IS USM


70-300 mm f/4.0-5.6 IS USM


(along with the kit 18-55 mm f/3,5-5,6 IS, which came with the camera)





I have managed to cover most focal distances as you can see, but I'm still missing a lens for low-light (concerts and indoors) or portrait pictures. I'm hoping to be able to cover both with the same lens. The above lenses about give my budget range and in this range I've found the 50mm f/1.4 or the 85mm f/1.8


Which of these would be better for my needs? I can't really figure it all out...





Thanks in advance!