Features
Hugely versatile and impressively compact, the Sigma 45mm f/2.8 DG Contemporary Lens is a flexible prime offering a a useful field of view for everyday shooting. Slightly wider than the conventional 50mm, this 45mm suits a huge array of subjects, ranging from portraits to landscapes to close-up details.
Complementing the unique field of view is a modest f/2.8 maximum aperture that is bright enough for working in available light conditions yet helps keep the overall lens size and weight down for everyday carry.
Contemporary Line
lens features a compact design that measures approximately 2.5 x 1.8" and a weight of about 8 oz, making it portable enough for everyday shooting needs without compromising on optics or speed.
Internal focusing design pairs with a stepping AF motor for responsive and fast focusing performance that's suitable for both stills and video applications.
Optical design includes two aspherical elements, to optimize sharpness and limit aberrations, and a Super Multi-Layer Coating that controls flare and reflections.
Rounded 7-blade diaphragm contributes to a smooth and pleasing bokeh quality when employing selective focus techniques.
Dust and splash-resistant construction with a brass bayonet mount for ensured accuracy and durability.
Sigma I Series Lens
The Sigma I Series is a group of full-frame-compatible lenses emphasizing the ideal mixture of performance and compactness for mirrorless shooters. Combining high optical performance with a stylish and sleek design, these lenses are well-matched to contemporary mirrorless cameras and shooters who prioritize lenses with a high degree of usability, portability, and capability.
I series lenses have an all-metal construction, including precision-cut aluminum parts on the barrel that offers an elegant finish that's equally durable. Metal materials are also used throughout the internal construction for added robustness and reliability that is inspired by Sigma's Cine lens lineup.
Knurled aperture and focus rings, along with an included knurled metal lens hood, further contribute to a pleasing tactile experience.
- In addition to knurled details, the lens features an intuitive AF/MF switch and the aperture ring includes an 'A' position for quick switching to an aperture-priority exposure mode.
- I series lenses include both a conventional plastic lens cap along with a magnetic metal lens cap for more streamlined and minimal attachment method.
- Magnetic lens cap is compatible with optional CH-11 Magnetic Cap Holder.
