Yongnuo YN 85mm f/1.8R DF DSM II
Yongnuo · 85 mm · f/1.8
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What We Like
+Fast f/1.8 aperture ideal for portraits and low-light shooting
+Compact and lightweight at 381g, among the lightest in its class
+Quiet and accurate DSM autofocus suitable for both stills and video
+Affordable pricing significantly lower than first-party alternatives
+USB Type-C firmware upgradeable for continuous optimization
+Excellent center sharpness with creamy bokeh and beautiful background separation
Worth Knowing
−Noticeable vignetting when shooting wide open at f/1.8
−Lateral chromatic aberrations present, especially at edges
−Sharpness drops toward frame edges compared to center
−No image stabilization built into lens
General | |
|---|---|
About This LensThe YN85mm F1.8R DF DSM II is a full-frame, autofocus, medium prime lens designed for Canon R-mount mirrorless cameras. It features a fast DSM stepping motor for quiet focusing, weighs only 381g for portability, and includes advanced optical coating with ED glass elements to minimize chromatic aberration. The lens is compact, lightweight, and fast with accurate autofocus, making it a bargain value. While vignetting is noticeable wide open, it improves when stopping down to f/4. | |
| Brand | Yongnuo |
| Release Year | 2023 |
Production Status ⓘCurrent status of lens manufacturing (e.g., in production, discontinued). |  In Production |
Version ⓘThe iteration or release number of a particular lens model. | II |
Lens Mount ⓘThe lens mount will tell you what type of lens range you can fit onto the camera body. Often the same camera company will have different lens ranges for different cameras. | Canon RF |
System ⓘIndicates which camera system the lens is designed to attach to. | Canon EOS R |
Maximum Format ⓘLargest sensor size compatible with the lens. |  Full Frame |
Physical | |
| Lens Weight | 381 g |
Lens Diameter ⓘWidth of the lens at its widest point | 69 mm |
Lens Length ⓘHow long the lens is from front to back. | 86 mm |
Front Filter Compatible ⓘSome lenses are compatible with front filters, some are compatible with back filters and some are compatible with both. Front filters are usually more convenient to add and remove. |  Yes |
Front Filter Size ⓘDiameter of attachable filters. | 58 mm |
Optics | |
Focal Range ⓘShortest to longest focal length of the lens (zoom range start - end ) | 85 mm |
Aperture Range ⓘLargest aperture at the lens's shortest focal length to longest focal length (aperture range start - end) | 1.8 |
| Focal Length Angle of View | 28.83° |
Flange Focal Distance ⓘDistance from lens mount to sensor. | 20 mm |
Diaphragm Type ⓘStructure and design of the aperture |  Automatic |
Blades ⓘNumber of diaphragm blades in aperture | 7020 |
Zoom Lens ⓘZoom allows you to vary the focal length, change between long shots and close-ups | No |
Closest Focusing Distance ⓘMinimum distance for a subject to be in focus. | 80 cm01500 |
Maximum Magnification ⓘLargest size a subject can be reproduced | 0.13x |
| Autofocus Mode |  Yes |
| Manual Mode |  Yes |
| Manual Focusing Ring |  Yes |
Features | |
Weather Sealing ⓘWeather sealing capabilities will give you more confidence when shooting in unfavourable conditions. |  Yes |
Fluorine Coating ⓘCoating to repel water and oil from lens elements. |  Yes |
| Built In Lens Hood | No |
| Lens Hood Type |  Round |
Teleconverter ⓘA teleconverter (extender) is an extra piece of equipment that fits between the lens and the camera body to enhance magnification | No |
| Image Stabilization | No |
Construction | |
Elements ⓘLens elements refer to individual pieces of glass within the lens. | 9 |
| Groups | 8 |
Aspherical Elements ⓘThe number of aspherical lens elements which can help correct aberrations such as spherical aberration. | 0 |
Bi Aspherical Elements ⓘElements with two non-spherical surfaces | 0 |
Low Dispersion ⓘElements that reduce chromatic aberration | 1 |
Super Low Dispersion ⓘAdvanced elements further reducing chromatic aberration | 0 |
CA Reduction ⓘBuilt-in features to reduce chromatic aberration | 1 |