A large-aperture 50mm prime lens is a must-have for serious full-frame camera users, and this is an excellent, affordable choice. The optical design is state-of-the-art for high image quality, and the large F1.8 maximum aperture can produce gorgeous background bokeh. On APS-C format E-mount bodies it provides equally high quality with an equivalent focal length of about 75mm. Matched with a Sony α7 series body this lens provides outstanding handling and mobility in a compact full-frame system. Lens weight is only 186 grams. An updated double-gauss optical configuration with an aspherical element minimises spherical aberration and coma for high image quality right out to the image periphery. A large F1.8 maximum aperture and 7-blade circular aperture work together to create beautiful background bokeh that can make subjects stand out in deep, dimensional images. An F1.8 maximum aperture makes it easier to shoot clear night or indoor shots. Combined with in-body image stabilisation you can even shoot handheld without boosting ISO. A metal mount adds a sophisticated feel as well as solid durability. Impressive optical performance for Sony cameras, precision engineered for versatility and reliability in a wide range of applications. MTF (Modulation Transfer Function) describes how well a lens can reproduce fine details, measured as the degree of contrast achieved between finely spaced lines.
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