The versatile M.Zuiko Digital ED 20mm f/1.4 from OM SYSTEM is a 40mm equivalent wide-angle prime lens for Micro Four Thirds mirrorless cameras. The wide field of view is complemented by a fast f/1.4 maximum aperture for controlling depth of field and producing selective focus effects, and when working in difficult lighting conditions. This pocket-sized lens is easy to carry and balances high resolution with the ability to capture soft, feathered bokeh. This lens makes long days of shooting landscapes, nature, or travel photos seem effortless. Reliable IPX1-rated weather sealing makes it possible to shoot in any environmental conditions without worry. Two aspherical elements are used in the optical design to help reduce spherical aberrations in order to achieve a high degree of sharpness, and also help reduce the overall size and weight of the lens. The Movie & Still Compatible (MSC) autofocus system provides precise, fast, and quiet focus performance to suit both video and photo applications.
OM SYSTEM M.Zuiko Digital ED 20mm f/1.4 PRO Lens
- Micro Four Thirds System
- 40mm (35mm Equivalent)
- Aperture Range: f/1.4 to f/16
- 11 Elements in 10 Groups
OM SYSTEM M.Zuiko 20mm f/1.4 PRO Overview
OM SYSTEM M.Zuiko 20mm f/1.4 PRO Specs
| Focal Length | 20mm (35mm Equivalent Focal Length: 40mm) |
| Maximum Aperture | f/1.4 |
| Minimum Aperture | f/16 |
| Lens Mount | Micro Four Thirds |
| Lens Format Coverage | Micro Four Thirds |
| Angle of View | 57° |
| Minimum Focus Distance | 9.8" / 25 cm |
| Maximum Magnification | 0.11x |
| Optical Design | 11 Elements in 10 Groups |
| Diaphragm Blades | 9, Rounded |
| Focus Type | Autofocus |
| Image Stabilization | No |
| Filter Size | 58 mm (Front) |
| Dimensions (ø x L) | 2.5 x 2.4" / 63.4 x 61.7 mm |
| Weight | 8.7 oz / 247 g |
| Package Weight | 1.015 lb |
| Box Dimensions (LxWxH) | 5.2 x 3.8 x 3.8" |
OM SYSTEM M.Zuiko 20mm f/1.4 PRO Reviews
Very fast, light, and pro quality.
I bought this lens to supplement my 12-40 mm f/2.8 lens. That zoom remains my favorite, but the 20 mm f/1.4 prime adds significant available light capability. Optically it passes all of my home tests--no color tint, no barrel or pillow distortion, and sharp out to the edges from smallest to largest f/stops, which permits as much cropping as my sensor allows. That in turn means I could use this lens instead of my zoom, cropping instead of zooming. At the widest f/stops, when the depth of field is very shallow, the bokeh is nice. This lens lacks the nice manual clutch of my zoom lens, but with a moment's dive into the menu I can turn manual focus on and off. I will use it primarily for indoors available light photos, but it is more versatile than that. If I wanted something more compact than my zoom lens for a trip, I could use this as my only lens.
As Sharp as it is Fast
A substantial number of the situtations I have to shot occur in very low-light situations and while M.Zuiko lens like the 12-40mm 2.8 have served me well I wanted to try the 20mm 1.4. it turned out to be very utilitarian. A particular point was the the lens is very light in weight and very small in size which makes it very useful in situations where I need to travel light without a bag full of lens. The images it produces are extremely sharp. It's become an A+ addition to my gear.
Excellent fast appature lens to mate with EM-1 or PEN F
I picked up this lens as an alternative to my Oly 17mm 1.2. It's Beautifully made, small and lightweight and almost as bright as the 1.2 but for half the cost. I wish it has the MF Clutch but have not had a situation yet where i feel I needed it. This is my new favorite lens.
A bit disappointing
I had very high hopes for this lens. In fact, I had written to Olympus a couple of years ago requesting such a fast 20mm focal length. The angle of view seemed ideal for certain candid work, something I realized back in the late '80s when I owned to Zuiko 40mm f/2. Certainly, the size, weight, and build of this f/1.4 lens are satisfying, but I find that the images it produces to be a bit soft at all practical apertures compared to other OM Pro lenses in the wide-to-normal angles of view, including, remarkably, the 12-100mm f/4 zoom. Chromatic aberration is also a little greater than I'd hoped. Both sharpness and CA can be improved to reasonable levels in software, but, of course, so can those characteristics of the comparison lenses, so the quality gap persists. I'm not sorry I bought the 20mm lens; I have good uses for it. I just thought such a prime lens at that price point would knock my socks off.
Works for me!
This lens does exactly what I was hoping for - a sharp, fast, small, and durable lens for walk around, candid family, and travel photos. I'm not a huge fan of 35mm equivalent so the 17mm 1.2 wasn't an option. I have used the 25mm 1.2 and that lens is a better performer (more contrast and a bit sharper compared to the 20mm have been my main conclusions) but it's not much faster and its huge. So far I'm very happy with the choices they made when designing the lens.
Sharp lens
This lens focuses extremely fast and seems somewhat sharper than the 30mm f3.5 lens I have been using, but I haven't done a systematic check. I seems like a very fine lens. It's now my main walk around lens,
Almost perfect
First of all, I love the focal length because it's at that sweet spot between the 17mm and 25mm and for me personally it's a more natural perspective. The colors are nice and bokeh too. What keeps it from being perfect is the lack of the manual clutch. I'm guessing they are only using that for the highest pro lenses, but it's a shame because the 17mm 1.8 and 12mm 2.0 both have it and they are smaller so it's not a size thing. It is still a great lens and the weather sealing matched with my em5iii go perfectly together.
Lightweight, sharp, great colo
After a few months owning this lens, it's my favorite to keep on my body. I find it sharp even wide open and I love the colors and detail I get out of it. I also find its size and weight to be just right. I haven't had to shoot in situations where this lens has noted weaknesses so to me its a great lens to bring everywhere for outdoors, travel, and even family portraits.
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