Sigma AF 150mm f/28 EX DG HSM APO Macro FX Review Review by Markus Stamm, published May 11 Introduction Macro lenses can be categorized in three classic focal length groups around 50/60 mm, where they can also act as a normal prime, short tele lenses in the range of 90 or 100mm, often also used for portraiture and long 180mm primes, which allow for larger working distances, but come withSigma 180mm f/28 EX DG OS HSM APO Macro @ Canon 650D Sigma 180 mm macro @ f/63, 1/00, 400 ISO On a camera with an APSC sensor, the view angle of a Sigma 180 mm macro 28 is nearly equivalent to the view angle of a 300 mm 28 telephoto lens on a camera with a fullsize sensorAs is befitting of such an imposing and topquality product, Sigma's 180mm f28 macro comes complete with a bespoke padded case and lens hoods for both fullframe and APSC use The hood is a Mantis Macro Behind The Shot With Robert Lopshire Sigma Blog Sigma apo macro 180mm f/2.8 ex dg os hsm