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OM SYSTEM M.Zuiko Digital ED 20mm F1.4 PRO Lens

  • Micro Four Thirds System
  • 40mm (35mm Equivalent)
  • Aperture Range: f/1.4 to f/16
  • 11 Elements in 10 Groups
  • 1 Super ED, 3 ED, 2 Super HR Elements
  • 2 Aspherical Elements
  • ZERO Zuiko Extra-Low Reflection Coating
  • Movie & Still Compatible AF System
  • Weather-Sealed Construction
  • Rounded 9-Blade Diaphragm


The M.Zuiko Digital ED 20mm F1.4 PRO Lens from OM

SYSTEM features an 11-element, 10-group lens system that includes Super ED lenses, ED lenses, Super HR lenses, and aspherical lenses that are effectively placed for edge-to-edge sharpness. This high-resolution lens maximises camera performance, including the exceptional image quality obtained when shooting in High Res Shot mode. To eliminate ghosts and flare, ZERO coating is utilised in conjunction with effective suppression of internal reflections within the lens barrel.

Feathered bokeh 

The OM SYSTEM M.Zuiko Digital ED 20mm F1.4 PRO Lens implements feathered bokeh, which gradually transfers blur from the in-focus area to the out-of-focus zone, using the know-how obtained in the creation of the M.Zuiko PRO F1.2 series, which produces ultimate defocusing effects. This OM SYSTEM lens can achieve greater resolution and exquisite bokeh effects by using an aberration measurement tool to measure bokeh at the aberration level and deliver excellent control over spherical aberration.

Compact, lightweight design with a maximum aperture of F1.4

With a wide maximum aperture of F1.4, the OM SYSTEM M.Zuiko Digital ED 20mm F1.4 PRO Lens features a compact and lightweight design at 247 grammes. When coupled with the Olympus OM-D E-M5 Mark III, the system is lightweight and compact at roughly 661 grammes, allowing for quick shooting.

Highly reliable dustproof, splashproof and freezeproof construction (-10°C)

The M.Zuiko Digital ED 20mm F1.4 PRO Lens is completely sealed and boasts IPX1 equivalent splashproof performance. It also has a dustproof and freezeproof structure to -10°C, and when combined with a dustproof, splashproof, and freezeproof camera body, it allows you to shoot in harsh circumstances like rain and snow with confidence. The fluorine coating on the front-most lens allows water droplets to roll off and dust to be easily removed.

High-speed, high-precision AF

Excellent optical design and lens processing technologies are employed to create a lighter and more precise autofocus, allowing users to enjoy stress-free, high-speed, high-precision AF shooting.

Close-up shooting to make the most of feathered bokeh

With a minimum focusing distance of 25 cm and a maximum image magnification of 0.22x for shooting up close to the subject, this lens is built for exceptional close-up shooting performance. The exquisite, feathery bokeh gradually introduces blur for imaginative macro photography.

An angle of view that balances natural perspective with bokeh effects

The 40mm equivalent angle of view is slightly wider than conventional lenses, resulting in a realistic feeling of perspective and bokeh effects. This unusual point of view is ideal for a wide range of scenes, including landscapes, portraits, and snapshots.

Focal Length 20mm
     35mm Equivalent Focal Length  40mm
Lens Construction 11 elements in 10 groups
(1 Super ED lens, 3 ED lenses, 2 Super HR lenses, 2 Aspherical lenses)
Splashproof Type / Dustproof IEC Standard publication 60529 IPX1
(applies when the lens is used with Olympus splashproof Body) / Dustproof construction
Focusing System High-speed Imager AF (MSC)
Angle of View 57 degrees
Closest Focusing Distance 0.25m
Maximum Image Magnification 0.11x
     35mm Equivalent Max. Image Magnification  0.22x
Minimum Field Size  157.8×118.6mm
Number of Blades 9 (circular aperture diaphragm)
Maximum Aperture F1.4
Minimum Aperture F16
Filter Size Diameter 58 mm
Dimensions ⌀63.4×61.7mm
Weight 247g (without Lens Cap, Lens Rear Cap and Lens Hood)
Compatible with Teleconverter not compatible

* Specifications subject to change by the manufacturer without notice