OM System M.Zuiko 17mm f/1.8 II
OM System · 17 mm · f/1.8
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What We Like
+Exceptional optical quality identical to original version, sharp even at f/1.8
+IPX1-rated weather sealing with metal construction for durability
+Extremely lightweight and compact (112g, 37.6mm length) for travel and everyday carry
+Fast f/1.8 aperture excels in low-light and provides beautiful bokeh for subject isolation
+0.25m minimum focus distance enables versatile close-focusing compositions
+ZERO anti-reflective coating reduces ghosting and flare in challenging lighting
Worth Knowing
−Removal of manual focus clutch from original version limits zone-focusing capabilities for street photography
−IPX1 rating is minimal weather sealing; not suitable for harsh conditions like sideways monsoon rain
−No significant optical upgrade from the original 2012 Olympus version, mainly adds sealing
−Manual focus mode must be switched on camera body rather than via lens mechanism
General | |
|---|---|
About This LensThe weather-sealed M.Zuiko Digital ED 17mm F1.8 II is a fast and compact wide-angle lens designed for photographers who value portability without sacrificing performance. Optically identical to the original, this lens is exceptional, with weather sealing with five internal seals to protect your system from dust and moisture. The new OM lens loses the signature manual focus clutch and scale of the old Oly version, which is particularly missed by those who enjoy zone focusing on a 35mm equivalent lens for street photography. | |
| Brand | OM System |
| Release Year | 2025 |
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. | Micro Four Thirds |
System ⓘIndicates which camera system the lens is designed to attach to. | Micro Four Thirds |
Maximum Format ⓘLargest sensor size compatible with the lens. | Micro Four Thirds |
Physical | |
| Lens Weight | 112 g |
Lens Diameter ⓘWidth of the lens at its widest point | 57.6 mm |
Lens Length ⓘHow long the lens is from front to back. | 37.6 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. | 46 mm |
Optics | |
Focal Range ⓘShortest to longest focal length of the lens (zoom range start - end ) | 17 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 | 65° |
Flange Focal Distance ⓘDistance from lens mount to sensor. | 19.25 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. | 25 cm01500 |
Maximum Magnification ⓘLargest size a subject can be reproduced | 0.08x |
| 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. | No |
| 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 | 6 |
Aspherical Elements ⓘThe number of aspherical lens elements which can help correct aberrations such as spherical aberration. | 2 |
Bi Aspherical Elements ⓘElements with two non-spherical surfaces | 0 |
Low Dispersion ⓘElements that reduce chromatic aberration | 0 |
Super Low Dispersion ⓘAdvanced elements further reducing chromatic aberration | 0 |
CA Reduction ⓘBuilt-in features to reduce chromatic aberration | 0 |
Internal Focusing ⓘInternal Focusing means that the lens does not change in size during focusing, and the front element does not rotate. |  Yes |