YONGNUO YN14mm F2.8N Ultra-wide Angle Prime Lens

Features:
About 114° ultra-wide diagonal angle for collect the vast landscape and giant structures, easier to show a grand and solemn atmosphere; with F2.8 bright and large aperture for better achieving background blurred and subject highlighted effects.
Supports Auto Focus (AF) and Manual Focus (MF) modes; with focus distance indicator, which is convenient for you to judge the distance and the depth of field.
With two high-precision aspherical glass lenses, one of which adopts ultra-low dispersion lens, which effectively compensates various optical aberration, minimizes chromatic aberrations, and provides excellent sharpness and color correction.
Also adopts 1pcs abnormal dispersion lens, which helps to better control the dispersion problem from super-wide angle and large aperture and to improve second order spectrum.
Adopts glass optical lens and multilayer coating technology to effectively increase light transmittance and minimize backlight ghost image and glare.
Has 7 pieces of aperture blades, which helps to take picture of circular defocused spots and helps to reduce the aperture and take picture of 14-star effect.
Equipped with USB port and users can download the latest firmware from the official YONGNUO website and update the lens to keep the best compatibility and performance.
With chrome-plated and high-accuracy metal mount, wearable, corrosion-resistant, and highly consistent with the camera; and the metal contacts adopt gold-plating technology for excellent signal transduction.

Specifications:
Compatible Camera: for Nikon DSLR camera
Focal Length: 14mm
Angle of View: 114°(diagonal), 81°(vertical), 104°(horizontal)
Lens Construction: 9 groups 12 elements
Aperture Blades: 7 pieces
Minimum Aperture: F/22
Mini. Focusing Distance: Approx. 0.2m
Max. Magnification: Approx. 0.15 times
Driving System: Direct Current Motor
Max. Diameter and Length: Approx. φ86 * 105mm / 3.4 * 4.1in
Item Weight: Approx. 780g / 1.7lbs (without caps)
Package Size: 20 * 12.5 * 11cm / 7.9 * 4.9 * 4.3in
Package Weight: 1050g / 2.3lbs

Note:
The camera showed in the picture is not included.

Package List:
1 * Camera Lens
1 * User's Manual (English & Chinese)