Sigma is a Japanese based family owned manufacturer of DSLR cameras, camera lenses and camera accessories. Liked by everyone is that Sigma lenses are typically value-priced. Sigma lenses are available in Canon, Nikon and other brands.
The Sigma 135mm F1.8 DG HSM Art is a medium range telephoto prime lens designed for modern high megapixel DSLRs. A new large Hyper Sonic Motor (HSM) delivers ample torque to the focusing group for outstanding speed, ensuring exceptionally stable performance even at lower speeds. This state-of-the-art prime lens touts a dust and splash proof mount for guaranteed performance in any condition and its large 1.8 aperture allows for more creative control over imagery.
| Lens Type | Prime Lens |
| Angle of View | 18.2° |
| Focal Length | 135mm |
| Lens Mount | Canon EF |
| Maximum Aperture | f/1.8 |
| Minimum Aperture | f/16 |
| Diaphragm Blades | 9, Rounded |
| Lens Construction | 13 Elements in 10 Groups |
| Minimum Focus | 2.87' / 87.5 cm |
| Maximum Magnification | 1:4.3 |
| Autofocus | Yes |
| Motor Type | Hyper Sonic Motor |
| Body Material | TSC Material, Brass Bayonet Mount |
| Body Color | Black |
| Filter Thread | 82 mm |
| Weight | 1130 g |
| Dimension | (diameter x length) 91.4 x 114.9 mm |
The Sigma 135mm F1.8 DG HSM Art is a medium range telephoto prime lens designed for modern high megapixel DSLRs. A new large Hyper Sonic Motor (HSM) delivers ample torque to the focusing group for outstanding speed, ensuring exceptionally stable performance even at lower speeds. This state-of-the-art prime lens touts a dust and splash proof mount for guaranteed performance in any condition and its large 1.8 aperture allows for more creative control over imagery.