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The F1.8 maximum aperture opens up a world of beautiful prime-lens bokeh. The large F1.8 maximum aperture is also an advantage when shooting night scenes or in dimly lit interiors. When used with an a series camera body that features in-body image stabilization, even greater low-light capability enables handheld capture of clear images in dark scenes without having to use excessively high ISO sensitivity.
7-blade circular aperture
The 7-blade circular aperture maximizes the beauty of large-aperture prime-lens, contributing to impressive images in which the subject stands out against a smoothly defocused background bokeh.
Refined optical performance
The lens has an innovative optical design to achieve clear, high-quality images by effectively minimizing distortion and chromatic aberration. A double-gauss configuration effectively suppresses field curvature and distortion, while a precisely placed aspherical element controls spherical aberration and coma for excellent optical characteristics right out to the image periphery. An aspherical element in a new optical design controls all types of aberration (spherical, coma, distortion), rendering the subject with superior sharpness.
Designed for reliability in a wide range of environments, the metal mount adds a sophisticated feel as well as solid durability.
Fast, agile focusing
Fast and accurate autofocus is achieved with a newly developed DC motor focus actuator system which drives all lens groups for optimum focus precision and speed as well as quiet operation.
Model name - SEL50F18F
Lens mount - Sony E-mount
Format - 35mm Full-frame
Compatibility - E-mount 35mm Full Frame
E-mount APS-C cameras
Focal-length (mm) - 50mm
35mm equivalent focal-length on APS C - 75mm
Lens construction (groups-elements) - 5 groups, 6 elements
Aspherical Lenses - 1 aspherical
Angle of view (APS-C) - 32-Degrees
Angle of view (35mm) - 47-Degrees
Maximum aperture (F) - f/1.8
Minimum aperture (F) - f/22
Number of aperture blade - 7 blades
Circular aperture - Yes
Minimum focus distance (m) - 0.45m
Minimum focus distance (ft) - 1.48'
Minimum focus distance (in.) - 17.72"
Maximum magnification ratio (x) - 0.15x
Lens motors - DC motor focus actuator
Filter diameter (mm) - 49mm
Hood type - Round shape, bayonet type
Dimensions dia. x length (mm) - 68.6mm x 59.5mm
Dimensions dia. x length (in.) - 2.7" x 2.34"
Weight (approx.) (oz.) - 6.6 oz (0.41 lb.)
Weight (approx.) (g) - 186g