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.
Sigma (301954) 30mm f/1.4 A Series Standard Lens for Canon EOS DSLRs (EF). This Sigma DC series lens has been designed exclusively for APS-C format digital SLR cameras and has been optically configured for these cameras. It is a large aperture standardd lens which gives an equivalent field of view to a 45mm lens on a 35mm format digital SLR. Its extra-wide f/1.4 maximum aperture allows smooth bokeh (defocus), superb control over depth of field and strong low light performance as well as a bright viewfinder image.
| Lens Type | Prime Lens |
| Angle of View | 50.7 degrees |
| Focal Length | 30mm |
| Lens Mount | Canon EF-S |
| Maximum Aperture | f/1.4 |
| Minimum Aperture | f/16 |
| Aperture Ring | f/1.4 - 16 |
| Diaphragm Blades | 9 |
| Lens Construction | 9 Elements in 8 Groups |
| Minimum Focus | 30cm |
| Maximum Magnification | 1:6.8 |
| Autofocus | Yes |
| Motor Type | Hyper Sonic Motor |
| Filter Thread | 62 mm |
| Weight | 435 g |
| Dimension | (DxL) 74 x 63 mm |
Sigma (301954) 30mm f/1.4 A Series Standard Lens for Canon EOS DSLRs (EF). This Sigma DC series lens has been designed exclusively for APS-C format digital SLR cameras and has been optically configured for these cameras. It is a large aperture standardd lens which gives an equivalent field of view to a 45mm lens on a 35mm format digital SLR. Its extra-wide f/1.4 maximum aperture allows smooth bokeh (defocus), superb control over depth of field and strong low light performance as well as a bright viewfinder image.