An Ode To Older Glass: Sigma 35mm & 105mm f/1.4 DG HSM ART. I am brand agnostic when it comes to cameras. I have used and could use nearly any brand on the market. What I decide to use in the end ultimately comes down to two things. The latter I will not make any … Continue reading An Ode To Older Glass: Sigma 35mm & 105mm f/1.4 DG HSM ART.