While 85mm lenses are generally the classic choice of focal length for portraiture, 135mm lenses are a popular second choice that offer a different look and a bit more compression than their shorter cousins. If you are looking for one of your own, check out this fantastic video comparison that looks at four options: the Samyang AF 135mm f/1.8 FE, Sony FE 135mm f/1.8 GM, Sigma 135mm f/1.8 DG HSM Art, and Zeiss Batis 135mm f/2.8.