The Pentax K20D has enough features to appeal to the advanced photographer. And also has the rugged construction to appeal to the professional. However, Pentax K20D is only now beginning to provide a few key lenses in its SDM (supersonic drive motor) line. Autofocus performance, while tenacious and effective, isn’t as fast as other manufacturers at acquiring lock-on.

Nikon D40x can only autofocus with AF-S lenses. Those who want to attach a short, fast prime lens for indoor low-light shooting should also note that Nikon doesn’t currently make any such lenses in AF-S. However, Nikon D40x low light performance at ISO 1,600 is startling, even without noise reduction turned on.

Overall, Canon EF-S 15-85mm F 3.5-5.6 lens feels quite solidly built, with much of the exterior being taken up by the wide rubberised zoom ring. Most of the Canon EF-S 15-85mm F 3.5-5.6 lens barrel is constructed from high-quality plastics. Canon EF-S 15-85mm F 3.5-5.6 zoom action is very smooth, well damped and there is enough resistance to prevent zoom creep when the camera is pointed downwards.

Another addition to Sony’s alpha collection is the Sony Alpha DSLR-A550 which was introduced in late August 2009. It can be remembered that the first Sony Alpha digital SLR camera was first sold in the market on June 5, 2006 . This Sony Alpha DSLR-A550 camera features a new 14.2 megapixel Sony Exmor CMOS sensor in the APS-C size format to make detailed and extensively large photos. It actually produces a 1.5X crop factor (35mm film equivalent). Sony Alpha DSLR-A550′s large, APS-C format means high sensitivity, powerful depth-of-focus control.

Nikon COOLPIX S3100 is a very pocketable, slim, compact, and stylish digital camera that will suit your personality and preferences. Why do I say so? Because it comes in seven fashionable colors such as pink (as seen in the left), black, blue, sliver, purple, red, and yellow. But this Nikon COOLPIX S3100 is more than just a stylish design. It also comes up with great features that you will surely love