Ultra Wide Angle Prime Lens 14mm For Canon 5D/700D/80D/DSLR Camera

114° Ultra-wide Angle The diagonal angle of view is about 114°. For YN14mm F2.8 helps to collect the vast landscape and giant structures, it’s easier to show a grand and solemn atmosphere. High-precision,Ultra-low Dispersion and Aspherical Lens It carries 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. Precision-machined Abnormal Dispersion Lens YN14mm 2.8 adopts 1pcs of abnormal dispersion lens, which helps to better control the dispersion problem from super-wide angle and large aperture, and, helps to improve second order spectrum. Glass Optical Lens, Multilayer Coating It adopts glass optical lens and multilayer coating technology to effectively increase light transmittance and minimize backlight ghost image and glare.  Firmware Upgrade YN14mm F2.8 is equipped with USB port. The users can download