Want to be a professional ? With Sigma Camera Lenses, you get technology that will take your photography to the next level, no matter which type you chose.
Among the technology you will find on their models:
* The aspherical “ASP” technology allows for compact size while at the same time maintains high quality opticals.
* The APO lenses minimize light aberration so that the colors you see when you take the picture are the colors you see when you develop the picture.
* The Optical Stabilizer (“OS”) technology will keep your photos from blurring. This also allows you to take pictures at slower speed than would be expected in the light.
* Rear focusing (“RF”) technology. This allows the rear lenses to refocus independently when the camera is adjusted to maintain aberration. This is especially handy when taking close up photography.