Image quality until now found only in a fixed focal length lens. The definitive large-aperture APS-C format standard zoom lens. SIGMA 18-35mm F1.8 DC HSM is the first zoom lens ever to achieve a maximum aperture of f1.8 throughout the zoom range. Incorporates 5 SLD (Special Low Dispersion) glass and 4 Aspherical elements. VIiew Product | Latest Standard Zoom by SIGMA SIGMA 18-300mm F3.5-.6.3 DC Macro OS HSM Sigma's latest All-in-one 16.6x high ratio zoom lens, incorporating 4 “F” Low Dispersion glass, 3 Aspherical elements plus 1 Special LD glass, a New OS system, and TSC lens barrel. Read More | Sigma dp1 Quattro Newly developed Foveon X3 Quattro Direct Image Sensor, 39 megapixels resolution, Up to 7 frames continuous shooting in RAW format The dp1 comes with a a newly designed 19mm 2.8 standard lens designed specifically for the new Foveon X3 Quattro sensor. Photo Samples |