They’ve often got a whole bunch of electronics built in as well. [Dan K] had just such a lens from Sigma, but wanted to get it working fully with a camera using the Canon EF lens fitting.
Sigma has just announced the pricing and release dates for four new prime lenses for Canon’s EOS R mirrorless cameras. The 16mm, 23mm, 30mm, and 56 mm F1.4 DC DN Contemporary lenses were announced ...
Best overall The best lens for astrophotography overall The Sigma 14mm f/1.4 DG DN Art lens is great for astrophotography thanks to its speedy autofocusing, but it can handle hybrid shooting as well.
The Sigma 85mm f/1.4 DG DN Art lens is priced at £999. An alternative for Sony FE mount cameras is the Samyang AF 85mm f/1.4 FE at £599. If we compare these prices to the main DSLR marques ...
The edges do almost as well, with low figures that are a credit to Sigma for such a wide-angle lens. Chromatic aberration (CA) is the lens' inability to focus on the sensor or film all colours of ...