The 50mm f/1.4 AS IF UMC Lens from Rokinon offers a standard 50mm focal length in the full-frame format and a very fast f/1.4 maximum aperture for effective low light capture, fast shutter speed shooting and shallow depth of field control. When used on cameras with an APS-C format sensor its 35mm focal length equivalence is 75mm.
The optical design of the lens consists of 9 elements in 6 groups including one hybrid aspherical element and one aspherical element to reduce chromatic aberrations. Also, lens elements are coated with an Ultra Multi-Coating to improve light transmission and minimize flare and ghosting. Eight diaphragm blades create a circular aperture for more attractive out-of-focus highlights.
|Lens mount||Canon EF, Nikon F (FX), Pentax KAF, Sony/Minolta Alpha, Sony E|
|Lens type||Prime lens|
|Max Format size||35mm FF|
|Focal length||50 mm|
|Number of diaphragm blades||8|
|Special elements / coatings||1 hybrid + 1 aspherical element, Ultra Multi Coating|
|Minimum focus||0.45 m (17.72″)|
|Full time manual||Yes|
|Weight||535 g (1.18 lb)|
|Diameter||82 mm (3.21″)|
|Length||75 mm (2.94″)|
|Filter thread||77.0 mm|