Last July, Sirui announced IronStar, a new series of 1.5x anamorphic lenses for full-frame. The 35mm, 45mm, and 60mm primes all shared a fast T1.9 aperture and sub-$1,000 price tag. Sirui has today expanded this series to include 75mm, 100mm, and 135mm primes. The new releases are slightly different than the initial trio, as they are not all T1.9 cinema primes this time around. The 75mm lens is still T1.9, but the longer 100mm and 135mm lenses are both T2.8. The Sirui IronStar 100mm T2.8 is also a macro lens, offering close focus at just 0.3 meters (0.98 feet). The move to slower apertures on the 100mm and 135mm primes ensures they continue to offer the same front diameter and control layout as the rest of the IronStar series. All six lenses have a 95mm front diameter and identical focus and aperture control ring positions. The new 100mm T2.8 Macro lens is noticeably longer than the rest, but otherwise looks identical to its siblings.…