Sigma
Browse through the following index of digital products by Sigma, or have a look at other brands / manufacturers, vendors.
Best Way to Upsize and Sharpen Foveon Images?
Read about the recommended sharpening methods to be used for enlarging Sigma SD14 photos.
Sigma lenses
Notes:
- A HSM designation means the lens incorporates a Hyper Sonic Motor". The auto-focusing (AF) on such lenses is driven by ultrasonic waves and thus the AF is fast and silent. These lenses can AF on the D40, D40X and D60.
- Sigma Imaging UK has a full glossary of Sigma lens terms.
Sigma 50mm f/1.4 EX DG HSM (2008)
Sigma 150mm f/2.8 macro for Nikon (2004)