A new sigma 35mm lens is being reviewed by various outlets, with some referring to it as the sigma 35mm f1.2 and others as the sigma 35mm f1.4. The lens is described as compact, lightweight, and ultra-fast, with some reviewers considering it to be the best 35mm lens available. Reviews of the lens are overwhelmingly positive, with some outlets awarding it a 5-star rating and praising its performance.