[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. Hacking ensued. The lens in question was a Sigma 15-30mm f/3.5-4.5 EX DG ...
Canon announces that they have holds onto the number one spot for interchangeable-lens digital cameras, a record it has held for 21 consecutive years. A survey taken by Canon showed that the ...
The patent, JP2025-12993, which was published in Japan on January 24, demonstrates the concept of taking one optical system and adding a secondary optical system that can be inserted and removed as ...
Sigma has launched two fast-aperture prime lenses for Canon mirrorless cameras; the 16mm F1.4 DC DN Contemporary and 23mm F1.4 DC DN Contemporary. They join four other Sigma lenses available for ...
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 ...