Sigma 18 50mm f 2.89/14/2023 ![]() ![]() The zoom ring is generously wide and has a tactile ridged, rubberised grip band that has a smooth action. The Sigma 18-50mm F2.8 DC DN Contemporary feels solid enough in your hand, despite its mostly polycarbonate construction. The optical elements are made of high-grade glass. It also incorporates a brass bayonet mount that's supposed to be more durable than a normal metal mount. The lens has a plastic shell with a mixture of metallic parts and a compound material, TSC (Thermally Stable Composite), used inside. This makes it the most compact standard zoom lens in its class, when assessed as an AF compatible, F2.8 constant aperture zoom lens for APS-C sensor cameras.Īs demonstrated by the product images, it's a great match for a small camera like the Sony A6000 that we tested it with, where it feels very well balanced.īuild quality is excellent given the affordable price tag. Given the fast and constant f/2.8 maximum aperture, the Sigma 18-50mm F2.8 DC DN Contemporary is a surprisingly small and lightweight lens, measuring almost 7.6cms in length and weighing in at a mere 290g / 10.2oz, yet it still manages to maintain a constant aperture of F2.8 throughout the entire zoom range. The Sigma 18-50mm F2.8 DC DN Contemporary lens is is available in Sony E-Mount and L-Mount versions and is priced at £429 / $549 in the UK and USA, respectively. The Super Multi-Layer coating helps to ensure that flare and ghosting are well-controlled even in backlit conditions. This lens uses a stepping motor for fast, quiet and precise auto-focusing and full-time manual focus override is also possible. It features a rounded 7-blade diaphragm which creates an attractive blur to out-of-focus areas of the image and an internal focusing mechanism which means the lens barrel doesn't move. This lens has a minimum focusing distance of 12.1cm / 4.8" with a maximum magnification ratio of 1:2.8 at the 18mm focal length. The optical formula is comprised of 13 elements in 10 groups, including 1 Special Low Dispersion (SLD) lens to reduce chromatic aberrations and color fringing and 3 aspherical lenses to limit distortion and spherical aberrations. The Sigma 18-50mm F2.8 was first announced in October 2021. ![]() Sigma 18-50mm F2.8 DC DN C vs Sigma 24-70 F2.The Sigma 18-50mm F2.8 DC DN Contemporary for either Sony E-Mount or L-Mount is a new fast standard zoom lens for Sony, Leica, Panasonic and Sigma APS-C sensor mirrorless cameras, where it provides a 27-75mm equivalent focal length range in 35mm full-frame terms. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 36 - 105mm. Sigma 24-70 F2.8 DG DN Art has a focal range of 24-70mm and 2.9X zoom ratio. Sigma 18-50mm F2.8 DC DN C has a focal range of 18-50mm and 2.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 27-75mm when used on a APS-C / DX format camera. ![]() Sigma 24-70 F2.8 DG DN Art is also available in Leica L mount. Sigma 18-50mm F2.8 DC DN C is also available in Leica L and Fujifilm X mounts. Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX30, Sony ZV-E10 and Sony A6600. Both the Sigma 18-50mm F2.8 DC DN C and the Sigma 24-70 F2.8 DG DN Art has the same Sony E lens mount. ![]()
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