Sigma 70mm EX DG Lens for Nikon
By looking at a reputable off-brand company like Sigma, you can find a solid mid-range telephoto with macro capabilities and a fairly low aperture for a nice price. The 70mm focal length and a minimum focusing distance of about 10 inches allow for 1:1 macro shots. The f2.8 minimum aperture and nine blade diaphragm allows you to create a soft background behind your subject. The lens weighs 1.16 pounds, but is less than four inches long. Image stabilization isn't included, but the lens sits at an excellent price for the features.