The lens is very solid and sturdy, yet not very heavy. Focus ring has full throw, rather than the very short throws on zoom lens, which may be why AF is slow.
The Sigma 105mm f/2.8 EX macro has been my all-time favorite lens. It has the capability for me to explore tiny worlds around our environment, which we ...
The Sigma 24-60mm F2.8 EX DG Lense is one of sigma's latest professional lens creations. Although simple in design, the overall lens offers a stunning array of ...
An extremely fast ultra wide-angle lens.
It features 100 to 300 mm focal length with the minimum focus of objects at a distance of 1.8 meters. This lens has been designed with a maximum aperture of f/4 ...
Nov 19, 2019 · That's a good question. In the past, you have the send the lens to Sigma to have the firmware updated. I don't know if there is anyway you can ...
The zoom ring is smooth, but too tight for my taste. And it has a non-rotating front, which is much easier to work with. It includes a flower-shaped lens hood.
Servicing the Sigma 105mm f/2.8 EX macro lens ... Sigma 70-300mm F4-5.6 DG MACRO -- An Adorable SLR Lens with Extensive Performance ... High performance with Sigma ...
A solid-built ultra wide-angle lens.
They both offer zoom function in the 70mm to 200mm range, f/2.8 wide-open aperture for low-light work, and provide super-quiet auto-focus operation with ...