When you realize that you need more for the results of your photographs, an option you may consider is buying a new camera lens to upgrade the camera for better image results. However, usually a type of lens is only suitable in use for certain type of camera. Therefore, finding a trusted review about each product is a good idea for you.
For Nikon Digital SLR cameras, Sigma 50-200 mm is the best option. With its f/4.0 -5.6 DC IF SLD Optical Stabilized (OS) Lens with Hyper Sonic Motor, the lens is completed with inner focusing system that provides high image quality for the all range of zooming. The inner focusing system eliminates the rotation of the front lens so that it is suitable with circular polarizing filters. It is compact with telephoto zoom lens that means easy to bring. Besides, with 1 – 4.5 of magnification, the lens can be categorized to high magnification one.
Well, the Sigma 50-200 mm is the one that is designed special for Nikon Digital SLR. For the specifications above, you just need to pay under $200 to bring it home and set it to your Nikon DSLRs. However, if you still need to compare the lens with the same required camera type, you can try to get the review of Nikon 35mm AF – S DX lens for Nikon DSLR cameras.