![]() ![]() Unlike the Sigma 35mm and 50mm ‘DG HSM’ Art lenses featured in this buying guide, the 85mm prime was designed exclusively for mirrorless cameras, rather than being adapted from DSLR optics. Pincushion distortion if left uncorrected In all cases, the L-mount lenses take advantage of a relatively large mounting flange of 55mm, and a close proximity of 20mm to the image sensor. Sigma has the greatest selection of L-mount prime and zoom lenses, some of which are fairly subtle changes to existing DSLR lenses, while others are new or completely redesigned optics specifically made for L-mount (and Sony E-mount) mirrorless cameras. ![]() Leica has the opposite emphasis, with five primes and three zooms. Panasonic currently offers seven L-mount lenses, including six zooms and one prime. The supporting cast of lenses has been ramped up over the last couple of years. For its part, Sigma has its Sigma fp compact system camera, which has a remarkably small and lightweight build, while its Sigma fp L stablemate packs an impressive 61MP sensor for ultra-high-res image capture. Headline-grabbing cameras that use the L-mount include Leica’s own 47-megapixel Leica SL2, the Panasonic Lumix S1 24.2-megapixel all-rounder, the high-res 47.3-megapixel Panasonic Lumix S1R, the more video-centric 24.2-megapixel Panasonic Lumix S1H with 6K movie capture capability, and the most recent, budget-conscious Panasonic Lumix S5, which has a 24.2-megapixel image sensor. This enabled all three companies to manufacture cameras with ‘interchangeable’ lenses in every sense of the word. Bigger news came in September 2018, with the advent of the L-mount Alliance, formed by Leica, Panasonic and Sigma. With the subsequent launch of the Leica SL full-frame camera, the name was changed to the L-mount, with sub-categories of TL for APS-C format lenses and SL for full-frame. Growing in popularity, the L-mount is based on Leica’s T-mount system, which stems from the Leica T (Typ 701) APS-C format digital camera, launched in 2014. ![]()
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