![]() Users of every DSLR released since (and including) the K-50 will benefit from this, although unless you shoot with a K-1 Mark II, K-P or K-70 you'll need to upgrade your camera's firmware first. The lens’s KAF4 mount adds an extra contact to the KAF3 mount to support electromagnetic diaphragm control from the body. Also helping with flare control is the PH-RBB72 lens hood that’s supplied as standard. As is somewhat standard practice among premium lenses of this sort, the lens combines two coatings: a nanotechnology-based Aero Bright Coating II and a more standard multi-layer HD coating, and the pair work to boost light transmission and minimize reflections that could introduce aberrations and/or affect contrast. The optical makeup of the HD PENTAX-D FA* 50mm F1.4 SDM AW comprises fifteen elements in total, with three anomalous dispersion elements spread throughout the array and a single aspherical element at the rear. Optical construction: 15 elements in 9 groups.Aperture range: F1.4-16 (In 1/3EV stops).Focal length: 50mm (76.5mm on APS-C bodies).Incidentally, the line will shortly welcome another portrait-friendly Star lens, the D FA* 85mm F1.4, the development of which was announced earlier this year.Īll pictures by Matt Golowczynski unless otherwise noted. This results in an effective focal length closer to 76.5mm, which brings it a little closer to classic mild-telephoto focal lengths associated with portraiture. While intended for users of full-frame cameras, the D FA* 50mm F1.4 SDM AW will also happily partner with APS-C models like the KP and K-70. This particular lens is promised as the first in a new generation of Star optics, which claim to combine centre-to-corner sharpness at even wide apertures, high light transmission and general all-round optical excellence, all with a rugged design and high dependability. ![]() K-1 and K-1 II users have the choice of decades’ worth of full-frame-friendly glass, of course, but the HD PENTAX-D FA* 50mm F1.4 SDM AW is the newest member of the company’s premium Star (*) range. Ricoh Imaging now offers two full-frame Pentax DSLRs, the K-1 and largely similar K-1 II, so the need for modern, technologically up-to-date lenses that can do these cameras justice is clear.
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