YONGNUO YN50mm F1.8S DA DSM Standard Prime Lens AF MF E-mount APS-C for Sony Cameras
Specifications:
It supports AF Auto Focus function, and MF manual Focus function.
It has DA DSM Motor.
Adopts gold plating for the metal contacts,effectively improve the signal conductivity and corrosion resistance.
Supports other camera shooting modes,and can be displayed the aperture data in the EXIF Information.
Supports APS-C format cameras.
Multi-coated lenses,effectively improve the transmittance.
Provides much faster aperture for low light usage and has better edge to edge sharpness.
USB Firmware Upgrade, F1.8 Bright and large Aperture, Low dispersion glass lens.
7 groups of 8 pieces of optical structure design, nanometer multi-layer coating,
Feartures
Focal Length
50mm
Focal Length
Approx.75mm (when Converted to 35mm)
Lens Mount
E Mount
Lens Frame
APS-C
Lens Construction
8 elements in7 groups
Aperture Blades
7 blades
Minimum Aperture
F/16
Minimum Focusing Distance
Approx.45m
Maximum Magnification
Approx.0.14x
Driving System
Digital stepping motor (DSM)
Filter Diameter
49mm
Max. Diameter x Length
Approx.Φ63×58mm
Weight
Approx.145g
Carry the digital stepping motor
Compared with the traditional DC motor, digital stepping motor (DSM) has fast start and stop response, high focusing accuracy and quieter focusing action, which is suitable for photo shooting and short film recording.
Flexible use of F1.8 large aperture, easy to obtain a soft and beautiful blur effect. In low light environment you can also use a low sensitivity and high shutter for shooting.
Large F1.8 aperture enables beautiful defocusing effects, fast autofocus (AF) and manual focus (MF) are supported,7-blade circular aperture creates beautiful defocused bokeh,and 14 star awn effects can be achieved by properly reducing the aperture
Lightweight design ideal for APS-C Frame E-mount cameras, Aspherical element controls spherical aberration and coma
Digital Stepping Motor (DSM) has fast start and stop response, high focusing accuracy and quieter focusing action, which is suitable for photo shooting and short film recording
Adopts electronic focus rings, supplemented by appropriate damping, which can provide smooth manual focus experience of high precision.
Adopts 7 groups of 8 pieces of optical structure design, nanometer multi-layer coating process of lens can effectively improve the light transmittance and inhibit the ghost image and glare of backlight. Gold-plated contact, metal bayonet