Sigma 500mm F/5.6 DG DN OS Sports Lens

The Sigma 500mm F/5.6 DG DN OS Sports is a full-frame ultra-telephoto prime lens designed for mirrorless cameras — available in Sony E-mount and Leica L-mount. Part of Sigma’s “Sports” line, it emphasises high optical performance, robust build quality (dust & splash resistant), and portability relative to many 500 mm primes. The lens features a 20-element/14-group optical design (including 3 FLD and 2 SLD elements) for full-frame sensors. With an 11-blade rounded diaphragm, a minimum focusing distance of 3.2 m (320 cm), and maximum magnification of 1:6, it is tuned for wildlife, sports, aviation and other long-reach applications. The lens also incorporates optical image stabilization (Sigma’s OS2 algorithm, up to ~5 stops of compensation) and a high-response linear actuator (HLA) for autofocus. The compactness and weight (≈1.365 kg for Sony E version) make it unusually portable for a 500 mm prime.

Key Features

500 mm fixed focal length — ideal for wildlife, sports, aviation, long-reach situations
Maximum aperture: f/5.6; Minimum aperture: f/32
Full-frame coverage (DG) designed for mirrorless (DN) systems — Sony E and Leica L mounts
Optical construction: 20 elements in 14 groups (3 FLD + 2 SLD) for high aberration correction.
11-blade rounded diaphragm for pleasing out-of-focus rendering.
Minimum focusing distance: 3.20 m / 126.0 in. ; Maximum magnification: 1:6 (≈0.17×)
Filter size: Ø95 mm
Dimensions: Ø107.6 mm × Length ~234.6 mm (L-Mount) / ~236.6 mm (Sony E)
Weight: approximately 1,370 g (L-Mount) / 1,365 g (Sony E)
Weather-sealed construction, manual aperture ring, focus-limiter switch, custom mode, detachable tripod socket.

Best Suitable

Wildlife photographers needing a long-reach prime lens but with much more manageable weight and size compared to older 500 mm or 600 mm primes.
Sports and aviation shooters who benefit from the fixed focal length’s optical quality and fast AF/OS system.
Enthusiasts and professionals using Sony E or Leica L mirrorless systems who want a high-quality telephoto prime without the bulk of bigger primes.
Tripod/travel scenarios where a 500 mm lens is needed but portability remains important.

Sigma 500mm F/5.6 DG DN OS Sports Lens

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