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Yongnuo is a Chinese Lens maker and makes affordable lenses for Canon and Nikon DSLRs. You can check the list of Yongnuo here at B&H. But, now they have announced Ultra Affordable Fullframe 14mm f/2.8 lens with AF capabilities.

Also see Yongnuo – Bit Soft at the center ?

Press Release and Detailed Specification

• 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.
• Precision-machined Ultra-low Dispersion Lens and Aspherical Lens: YN14mm F2.8 carries 2pcs of aspherical lens. One of the aspherical lens adopts ultra-low dispersion lens, which effectively compensates various optical aberration, reduce the color difference to the maximum, and provide 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 with super-wide angle and large aperture, and, helps to improve second order spectrum.
• Glass Optical Lens, Multilayer Coating: The whole series of this product adopts glass optical lens and multilayer coating technology to effectively increase light transmittance and control backlight ghost image and glare.
• Firmware Upgrade: YN14mm F2.8 is equipped with USD port. The users can download the latest firmware from the official YONGNUO website and update the lens to keep best compatibility and performance.
• F2.8 Large Aperture: With F2.8 bright and large aperture, background blurred, subject highlighted.
• Focus Modes: Auto Focus (AF) and Manual Focus (MF): YN14mm F2.8 supports auto focus and manual focus. The focus mode can be selected according to practical requirement.
• 7cps of Diaphragm Leaves: YN14mm F2.8 has 7pcs of diaphragm leaves, which helps to take picture of circular defocused spots or helps to reduce the aperture and take picture of 14-star effect.
• Durable Metal Mount: YN14mm F2.8 adopts chrome-plated and high-accuracy metal mount. It’s wearable, corrosion-resistant, and highly consistent with the camera.
• Focus Distance Indicator: YN14mm F2.8 is equipped with focus distance indicator. It’s convenient for you to judge the distance and the depth of field.
• Gold-plating Technology: The metal contacts adopts gold-plating technology to effectively improve signal conductivity and corrosion resistance.

If you look at the current market offerings at 14mm focal-length we have,

• Sigma 14mm F1.8 ART for Canon & Nikon $1499 [AF]
• Rokinon 14mm f/2.4 for Canon and Nikon $749-$899 [MF]
• Rokinon f/2.8 lenses.  for Canon and Nikon $259 [MF]

You can see the Sigma ART Lens features AF and high-grade optics with AF, last two lenses on the list doesn’t have Auto Focus support. The upcoming 14mm F2.8 Lens will feature Auto Focus Support, but the cost of the lens isn’t known yet.

Source hkyongnuo.com

While reading about Mr, Youngnuo affordable Clone lenses. I was thinking about the image quality of the lens, how does it perform against the original ones. Well let’s have a look

Yongnuo – Bit Soft at the center ?

You can clearly notice that the image quality at the center is bit soft compared to the Original Canon 50mm Lens. And the image quality of the Yongnuo is bit soft in the corner too. You can look at more details in the Video below