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YONGNUO YN17MM F1.7M Lens for M43 Mount, 17mm F1.7 Standard Prime Auto Focus, MFT Micro Four Thirds for Mirrorless Cameras

  • Based on 3 reviews
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Availability: Only 1 left in stock, order soon!
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Arrives Friday, May 8
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Features

  • FeatureLightweight body combined with F1.7 large aperture, you can easily achieve a soft and beautiful blur effect, M43 Frame, Auto and Manual Focus, with 10 optical lenses in 9 groups structure design and nano multi-layer coating process, 7pcs aperture blades, F1.7-F22 Aperture, Stepper Motor drive system, 52mm Filter diameter, 65.877.8mm Maximum diameter and length,0.15x Maximum magnification, 0.18m minimum focusing distance
  • CompatibleWork with M43 Mount Cameras: Panasonic GH5 G9 G95 G85 GX85 GF-9 GF-8 GX9 GF10, Olympus E-M5 Mark II E-M10 markIII E-PL9 PEN-F
  • StructureThis 17MM F1.7 lens mount is equipped with a dust-proof and water-proof rubber ring,which can effectively resist the entry of dust and water droplets. Metal bayonet, gold-plated contacts, supports EXIF information transmission, equipped with 52mm lotus-shaped lens hood
  • Focus Ring Focus ring supports full-time manual focus, After completing auto-focus, you can directly manually adjust the focus position without switching the focus mode to achieve the focus effect you want. ( Note: The full-time manual focus function can only be used normally after enabling the corresponding settings on the camera. For detailed operations, please refer to the camera manual
  • FunctionEquipped with 2 aspherical lenses to effectively compensate for various aberrations, equipped with 2 low dispersion lenses,which can better suppress the dispersion problem caused by wide angles

Brand: YONGNUO


Focal Length Description: 17mm F1.7 Lens for M43 Frame, Standard Prime Lens, Auto and Manual Focus


Lens Type: Standard


Compatible Mountings: Micro Four Thirds


Camera Lens Description: 17mm F1.7 Lens for M43 Frame, Standard Prime Lens, Auto and Manual Focus


Focal Length Description: 17mm F1.7 Lens for M43 Frame, Standard Prime Lens, Auto and Manual Focus


Lens: Standard


Compatible Camera Mount: Micro Four Thirds


Maximum Focal Length: 17 Millimeters


Minimum Focal Length: 17 Millimeters


Lens Design: Prime


Focus Type: Auto/Manual


Lens Fixed Focal Length: 17 Millimeters


Zoom Ratio: 11


Image stabilization: No image stabilization


Real Angle Of View: 65.5 Degrees


Maximum Aperture: 1.7 f


Minimum Aperture: 1.7 f


Number of Diaphragm Blades: 7


Compatible Camera Models: Olympus E-M5 Mark II, Panasonic DC-G9, Panasonic DC-G95, Panasonic DC-GH5, Panasonic DMC-GX85


Lens Mount: Micro Four Thirds


Brand: YONGNUO


Camera Lens: 17mm F1.7 Lens for M43 Frame, Standard Prime Lens, Auto and Manual Focus


Model Name: YN17MM F1.7M


Built-In Media: 1 * Charge, 1 * Lens Hood, 1 * Manual in English and Chinese, 1 * YN17mm F1.7 Lens


Manufacturer: YONGNUO


Warranty Description: 1 year


Shooting Modes: P, A, S, M, iA, iA+, SCN


Exposure Control Type: Automatic/Manual


Media Type: ProductImage


Water Resistance Level: Water Resistant


Compatible Devices: Olympus Camera, Panasonic Camera


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, May 8

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • I absolutely love these lens!
This lens is superb for the price. I'm not going to get into the technical details, but shooting with it is very fun. All the sample shots I uploaded were shot wide open for reference. 2 of the darker ones were in a fairly dark room with 1 window with its blinds closed. The other two were also indoors, with all blinds closed and the only real light coming through a sliding glass door. Of course the lens performs even better outdoors and stopped down a bit. Autofocus was fast and literally silent. Lens is plastic, but well made and feels like all the modern FF native lenses these days. The AF/MF switch is a bit mushy, but clickly and tight (you won't accidentally switch it). Manual focus barrel is nice and smooth, zero play, and good resistance. Comes with a metal lens hood attached, and I don't believe you can remove it. I have tried twisting it pretty good and it didn't budge. Has popular 52mm thread for your filters. And best part at least for me is that it can focus extremely close (about 3-4 inches from subject). Another reviewer mentioned that they weren't able to use their mechanical shutter with these lens. I had zero issues on my Panasonic GF3, G100, GX85 and Olympus Pen P-EM1, E-P5, E-M5, Pen F, and now it primarily stays on my E-M1 because it's the perfect size and weight for that body, and the orange/red markings on it perfectly matches the orange/red record button on the camera. ... show more
Reviewed in the United States on May 5, 2025 by Late664

  • GREAT lense for those who are one a budget!!
This lense has changed the game! This lense is perfect for those who are on a budget, VERY great structure. The lense is plastic, but its most DEFINITELY worth the cop!
Reviewed in the United States on December 21, 2025 by Aayden Martin

  • Fast, quiet autofocus in photo and video mode.
I am very impressed with this lens' autofocus performance. In video mode it's silent and focus transitions are smooth and quick. Optical performance is also very good, especially for the price. Some barrel distortion, some flare, but it's nice and sharp and even has some character. This is my new walk around lens. ... show more
Reviewed in the United States on May 19, 2025 by Mike Crews

  • Decent lens
On a Micro Four Thirds body, it's a 34mm equivalent field of view...a great standard walkabout lens. It isn't the sharpest lens out there but for the price...it's hard to complain.
Reviewed in the United States on February 16, 2026 by mLo68

  • Understand what your buying
A little soft but expected at this price point. I love the character this lens gives to my photos.
Reviewed in the United States on March 19, 2026 by Lindsey

  • Prime lens
I can only speak for my own experience but for the shooting I've been doing with it I love the pictures the colors and the sharpness. But a big plus is the compact size of it because I like travel photography. Can't beat the price for the quality especially because it's a 1.7 aperture in a prime lens. ... show more
Reviewed in the United States on October 16, 2025 by Photo1

  • I regret buying this lens.
Inspired by online reviews, especially by people who review equipment, I purchased this lens. I took a few pictures indoors and I was unimpressed, so I went to the beach with my wife and took a few more pictures, nothing artistic but just to get to know the lens. Even in the viewfinder of the camera I could already get a sense of how ordinary this lens is. Everything seems flat and the colors get washed out. I had to choose enhancements within the camera to saturate the colors more. Anything that I shoot with this lens is probably going to need post processing to be acceptable. I have MFT lenses by Panasonic, Panasonic/Leica, and Olympus. Some were low priced, others were premium lenses. This lens leaves me wanting to replace it with a better brand, and I am sorry that I bought it. ... show more
Reviewed in the United States on April 20, 2025 by Zoinks

  • One of the best MFT lenses!
This lens single handled revived my mft shooting. Sharper than i expected at all apertures. Handles flare SURPRISINGLY WELL. If you shot mft... This should be your normal lens. My only gripe is the non removable lens hood and it not being water proof. Yongnuo... We need to talk.
Reviewed in the United States on May 19, 2025 by D. Griffin

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