Sigma 105mm f2.8 EX DG OS Macro - Canon EF Mount Lens Mount_Leica M users are able to shoot

users are able to shoot up to four stops slower than otherwise possible

and even incident-light indoor shooting

4x Zoom DX-NIKKOR lens offers a focal length of 10 to 24mm

there's nothing like the Speedlite Transmitter ST-E3-RT

Vignetting and distortion have also been visibly improved compared to the 50mm f/1

Sigma 105mm f2.8 EX DG OS Macro - Canon EF Mount Lens Mount_Leica M users are able to shootThis large aperture medium telephoto macro lens offers advanced performance of close up photography. Sigmas own proprietary OS (Optical Stabilizer) system enables handheld close up photography. A Special Low Dispersion (SLD) lens and one high refractive index SLD lens provide excellent correction for all types of aberration and distortion. A floating focusing system moves two different lens groups in the optical path to different positions. This