Yongnuo YN50mm F1.8S DF DSM Auto Focus Standard Prime Lens for Sony E-mount Full Frame

The Yongnuo YN50mm F1.8S DF DSM Auto Focus Standard Prime Lens for Sony E-mount offers a focal length that is perfect for portraiture and a range of other subjects. A bright F1. 8 maximum aperture, 7-blade circular aperture and aspherical element deliver impressive image quality with beautifully defocused background bokeh.

• Double Fn function keys for easy operation.
• The lens mount is equipped with a dustproof and waterproof rubber ring.
• Equipped with AF/MF focus mode switch.
• Equipped with quiet DSM.
• F1.8 large aperture, with 11 optical lenses in 8 groups, nano-multilayer coating.
• Equipped with aspherical lens.
• Equipped with low-dispersion lens.
• 9 circular aperture blades, it can also take pictures with 18 starburst effects if the aperture is appropriately reduced.
• USB firmware upgrade, equipped with a USB Type-C interface.
• Metal bayonet, gold-plated contacts 
• Compact and lightweight, elaborately manufactured, the maximum diameter and length is 68*85mm, and the net weight is about 395g, the main shell adopts the aviation aluminum alloy , anodized surface and sandblasting process, which makes the appearance look exquisite and high-quality,also effectively improving the corrosion and wear resistance.

Dustproof and waterproof rubber ring

• The lens mount is equipped with a dustproof and waterproof rubber ring, which can effectively resist the entry of dust and water droplets.
• Note: Even though the mount position of this lens has a certain degree of waterproof performance, it is not completely waterproof. If you are shooting in rainy days, please try to keep the lens from getting wet.

USB firmware upgrade

• Equipped with a USB Type-C interface, you can download the latest firmware to upgrade the lens, which keeps the lens at its best performance.

Double Fn function keys for easy operation

• Fn custom function keys are equipped right above and at the side of the lens, you can enjoy the professional control feeling when shooting horizontally and vertically.
• Rationally Reasonable settings of the Fn multi-function button can quickly call up a certain function menu or perform a certain shortcut operation, which improves the creative efficiency.

Aspherical & Low-Dispersion

• Equipped with one aspherical lens, which effectively compensate for a variety of aberrations.
• Equipped with one low-dispersion glass, which can effectively suppress the dispersion problem.

Quiet DSM

• Digital control stepping motor (DSM) has quick start-stop response, high focusing accuracy, and quieter focusing action, which is suitable for photo shooting and video recording.

 Specification

• Lens Mount: Sony E
• Focus Mode: Auto Focus (AF) and Manual Focus (MF)
• Lens Frame: Full Frame
• Focal Length: 50mm
• Angle of View: Diagonal: 47.82° , Vertical:27.63° , Horizontal: 40.23°
• Lens Construction: 8 groups 11 elements
• Aperture Blades: 9 blades
• Max Aperture: f/1.8
• Min Aperture: f/22
• Min Focusing Distance: 0.45m
• Max Magnification: 0.15 times
• Driving System: Digital Stepper Motor
• Max Diameter and Length: Φ68×85mm
• Weight: 395g 

• 1 x Yongnuo YN50mm F1.8S DF DSM Auto Focus Standard Prime Lens for Sony E-mount
• 1 x Lens Cap
• 1 x Rear Cap 
• 1 x Lens Hood