Sigma 23mm F1.4 DC DN ContemporaryA prime lens like a longtime friend The wide angle lens ideal for APS C mirrorless cameras joins the Contemporary line. High optical performance, F1. 4 brightness, and compact enough to carry around every day. With an easy to use angle of view of 35mm*, high optical performance, the brightness of a large F1. 4 aperture, and a compact and lightweight lens body, SIGMAs experience accumulated in the Contemporary line has culminated in a lens that is