Sigma’s relatively new I series of compact and nicely designed lenses now has nine members, and this Sigma 17mm F4 DG DN is the latest and widest of the gang. The I series sits within the company’s Contemporary segment, so we should expect good performance at a price that makes the lens accessible to most. Lenses in this group are not quite as good as Sigma’s Art lenses, but they cost rather less.
Like the other Sigma I-series lenses, the 17mm is designed for full-frame mirrorless cameras, and is offered in L-mount and for Sony E-mount bodies. Sigma says the lens is aimed at landscapers and street photographers, and that it is especially good for travelling with, owing to its small size and light weight.
Features
Probably the most outstanding of the Sigma 17mm F4 DG DN’s features is its 103.7° angle of view. While there are wider AF lenses for full frame around, we are in territory that is quite sparsely populated, and those others
