Equipped with the latest in lens technology, the 30mm 1.4 lens boasts a hyper sonic motor (hsm), super multi-layer coating and a design featuring thermally stable composite material (tsc).
The hsm ensures quiet, accurate and high-speed autofocus; the super multi-layer coating reduces flare and ghosting, while the tsc reduces expansion and contraction of the internal lens barrel
a rear focus system prevents focus-dependent variation in aberration, making high-level image quality possible throughout the entire image. With their unchanging barrel length
filter size 62mm maximum magnifications 1:6.8