OM System M.Zuiko Digital 14-42mm F3.5-5.6 III

Focal length: 14–42 mm
Aperture: f/3.5–5.6
Weight: 125 g
Filter diameter: 46 mm
Min. focus distance: 13 cm
Length: 50.5 mm

Predecessor: Olympus M.Zuiko Digital 14-42mm 1:3.5-5.6 II R

Overview

The OM System M.Zuiko Digital 14-42mm F3.5-5.6 III is a compact standard zoom kit lens for Micro Four Thirds. OM System announced it in September 2026 alongside the new OM System PEN camera. On the 2x crop of Micro Four Thirds, the focal range corresponds to 28-84mm in full-frame terms, which covers wide-angle to short telephoto for everyday photography, travel and street scenes. It should not be confused with the M.Zuiko Digital ED 14-42mm F3.5-5.6 EZ, the electronic-zoom pancake.

Optical design

The lens has 8 elements in 7 groups, including 3 aspherical elements. The aperture runs from F3.5 at 14mm to F5.6 at 42mm with a smallest aperture of F22, and the diaphragm has 7 blades.

Autofocus and handling

The lens uses the MSC (Movie and Still Compatible) mechanism for autofocus, which OM System describes as fast and nearly silent. The minimum focus distance is 13 cm, with a maximum magnification of 0.26x at 14mm, which is 0.53x in 35mm terms. The predecessor focused down to 25 cm with 0.19x. The lens supports in-camera focus stacking. It does not support the MC-14 and MC-20 teleconverters and does not work with 5-axis Sync IS, and it has no stabilizer of its own.

Build and size

The lens weighs 125 g, is 50.5 mm long with a diameter of 60.0 mm, and takes 46 mm filters. The main change from the previous version is the construction: the lens now has IPX1-rated splash protection and a dustproof design, according to OM System. The M.Zuiko 14-42mm F3.5-5.6 EZ pancake weighs 93 g and is not weather-sealed.

Where it fits

The predecessor is the Olympus M.Zuiko Digital 14-42mm 1:3.5-5.6 II R. The II R has the same 8/7 construction and weighs 112 g, and the II version focused only down to 25 cm. Within the system, the EZ pancake is the smaller option, and the OM System M.Zuiko Digital ED 12-45mm F4 Pro or the 12-100mm F4.0 IS Pro are the step up if a faster or more versatile zoom is wanted. Panasonic offers its own 14-42mm kit zooms for the same mount.

Pros and cons

Pros

Light at 125 g
IPX1 splash protection and dustproof design
Close focusing to 13 cm with focus stacking support
Quiet MSC autofocus
46 mm filter size

Cons

Slow F5.6 maximum aperture at 42mm
No built-in stabilizer and no Sync IS support
No teleconverter support
Not as compact as the EZ pancake zoom

Verdict

The 14-42mm F3.5-5.6 III is a modest update that adds weather protection and closer focusing to the classic Micro Four Thirds kit zoom. It remains a small and light standard zoom for travel and everyday use, particularly as part of a PEN kit. Photographers who need more speed or range will want one of the Pro zooms instead.

Technical Specifications

min focal length: 14 mm
max focal length: 42 mm
max f (min zoom): f/3.5
max f (max zoom): f/5.6
min. aperture: f/22
Elements: 8
Groups: 7
Weight: 125 g (0.28 lb)
Filter diameter: 46 mm
min focus distance: 13 cm (5.12 in)
Length: 50.5 mm (1.99 in)
Diameter: 60 mm (2.36 in)

Simulate depth of field and angle of view

Which cameras does the OM System M.Zuiko Digital 14-42mm F3.5-5.6 III fit?

The OM System M.Zuiko Digital 14-42mm F3.5-5.6 III fits all Micro Four Thirds cameras. There its field of view equals 28-84 mm in full-frame terms (crop factor 2).

Micro Four Thirds cameras

Micro Four Thirds:: OM System PEN, OM System OM-3, OM System OM-5 Mark II, Panasonic Lumix G97 (G99M2), Panasonic Lumix GH7, OM System OM-1 Mark II, Panasonic Lumix G9 II, Panasonic Lumix G100D, OM System OM-5, OM System OM-1, Panasonic Lumix GH6, Panasonic Lumix GH5 II, Olympus PEN E-P7, Olympus OM-D E-M10 Mark IV, Olympus OM-D E-M1 Mark III, Panasonic Lumix G100 (G110), Panasonic Lumix BGH1, Olympus PEN E-PL10, Olympus OM-D E-M5 Mark III, Panasonic Lumix G95 (G90, G91), Olympus OM-D E-M1X, Panasonic Lumix GX9, Panasonic Lumix GF10 (GF90, GX880), Olympus PEN E-PL9, Panasonic Lumix GH5S, Blackmagic Pocket Cinema Camera 4K, Panasonic Lumix G9, Olympus OM-D E-M10 Mark III, Panasonic Lumix GF9 (GX850, GX800), Panasonic Lumix GH5, Olympus PEN E-PL8, Olympus OM-D E-M1 Mark II, Panasonic Lumix G85 (G80, G81), Panasonic Lumix GX85 (GX80, GX7 Mark II), Olympus PEN-F, Olympus OM-D E-M10 Mark II, Panasonic Lumix GX8, Panasonic Lumix G7, Panasonic Lumix GF7, Olympus OM-D E-M5 Mark II, Panasonic Lumix GM5, Olympus PEN E-PL7, Panasonic Lumix GH4, Olympus OM-D E-M10, Panasonic Lumix GM1, Olympus OM-D E-M1, Panasonic Lumix GX7, Olympus PEN E-PL6, Olympus PEN E-P5, Panasonic Lumix G6, Panasonic Lumix GF6, Blackmagic Pocket Cinema Camera, Olympus PEN E-PM2, Olympus PEN E-PL5, Panasonic Lumix GH3, Panasonic Lumix G5, Panasonic Lumix GF5, Olympus OM-D E-M5, Blackmagic Cinema Camera (MFT)