The Canon RF 15-35mm F2.8L IS USM is undoubtedly an impressive lens offering a useful and versatile wide-angle focal range. Image quality is great, although if I'm being picky the heavy reliance ...

but I have taken enough sample images captured in raw and JPEG format to get a good idea of the lens' optical qualities and deficiencies. For example, at the extreme wide-angle 16mm setting and ...

While both lenses were previously announced, today’s news confirms the official availability date for the wide-angle lenses. Last year, Sigma revealed that it would begin bringing its crop ...