Yongnuo YN 14mm f/2.8 ultra-wide lens now officially announced


The Yongnuo YN 14mm f/2.8 ultra-wide lens is now officially announced. Here are the technical details:

  • 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.

Technical specifications:

  • Focal Length 14mm
  • Lens Structure 9 groups 12pcs
  • Diaphragm Leaves 7pcs
  • Minimum Aperture 22
  • Minimum Focus Distance Approx 0.2m
  • Maximum Amplification Factor Approx 0.15x
  • Drive System DC Motor
  • Maximum Diameter and Length Approx Φ86×105mm
  • Weight Approx 780g
  • The aperture settings can be controlled by camera

Yongnuo YN 14mm f/2.8 lens MTF charts:


Yongnuo YN 14mm f/2.8 lens design:


For comparison, here are two pictures of the "original" Canon EF 14mm f/2.8L II USM lens:

Yongnuo lenses are sold at B&H and Amazon.

Via Yongnuo

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  • Alfred

    For wich bajonett?? Top Secret??

    • I did not see any reference but my guess is Nikon and Canon DSLR only mount.

  • CaMeRa QuEsT

    If we go solely by the provided MFT chart, this is going to be Yongnuo’s sharpest lens to date by a very wide margin. It even looks sharper than Canon’s from the center to the APS-C corner, from there on to the FF corners the Canon beats it. And, again, this is with 2 fewer lens elements! Well, seeing is believing, can’t wait to see samples, read reviews about it and seeing its real market price.

    • Zos Xavius

      I think their lousy AF motors have been the biggest disappointment in the reviews I’ve seen so far. Slow, loud and hard to get a lock at times. Yeah, that chart looks pretty good.

  • James Larsen

    I legit thought this was a prank, lol
    This is actually kinda exciting to see! I hope their AF system can get better. If so, this looks like a decent lens!!

  • Benjamin Brosdau

    Based on this chart the lens is going to suffer from severe astigmatism. It seems as if the meridional performance is barely affected by stopping down the lens. This does not bode well for a landscape lens.

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