OM System M.Zuiko Digital ED 12-40mm F2.8 PRO II
OM
OM Micro Four Thirds

OM System M.Zuiko Digital ED 12-40mm F2.8 PRO II

This is a zoom lens for Micro Four Thirds, covering 12-40 mm (24-80 mm equivalent) and a maximum aperture of f/2.8. It weighs 382 g. That combination suits landscape and architecture photography.

It is a professional-grade standard zoom lens designed for Micro Four Thirds cameras. It offers a versatile 24-80mm equivalent focal length range with a constant F2.8 maximum aperture throughout the zoom range, providing consistent exposure and depth of field control. The lens features a robust IP53-rated weather-sealed construction, ensuring reliability in various shooting conditions. Its advanced optical design includes multiple special elements to minimize aberrations and deliver sharp, high-quality images across the frame. The lens also offers a manual focus clutch mechanism for quick switching between auto and manual focus modes, enhancing its versatility for different shooting styles.

f/2.8
Aperture
12–40mm
Focal
382 g
Weight
OM site

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Good for landscapearchitecture
General photography Portrait Travel
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Specification

Manufacturer data
Lens type
Standard zoom lens
Max Format size
Micro Four Thirds
Focal length
12-40 mm (24-80 mm equivalent)
Image stabilization
No
Lens mount
Micro Four Thirds
Maximum aperture
F2.8
Minimum aperture
F22
Aperture ring
No
Number of diaphragm blades
9 (circular)
Optical construction
14 elements in 9 groups (including 1 EDA, 2 aspherical, 1 DSA, 2 ED, 1 HD, and 2 HR elements)
Minimum focusing distance
0.2 m (7.87 inches)
Maximum magnification
0.3x (0.6x 35mm equivalent)
Filter size
62 mm
Dimensions
69.9 mm (diameter) x 84 mm (length)
Weight
382 g (13.5 oz)
Weather sealing
IP53-rated dust, splash, and freeze-resistant
Usage
General photography, portrait, landscape, travel

Wide open at 2 m, background blur ≈ 0.8% of the frame width

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§ 02

Sample frames

Shot on the OM System M.Zuiko Digital ED 12-40mm F2.8 PRO II
Lightnings on Keuka Lake
01 Lightnings on Keuka Lake by Bill Topping
Chapelle Notre-Dame de Grâce, orgue
02 Chapelle Notre-Dame de Grâce, orgue by dominicbertine
Honfleur, médiathèque
03 Honfleur, médiathèque by dominicbertine
Chapelle Notre-Dame de Grâce, autel
04 Chapelle Notre-Dame de Grâce, autel by dominicbertine
Bright pink flowers, Horstead Keynes
05 Bright pink flowers, Horstead Keynes by James E. Petts
Honfleur, l'Amarante
06 Honfleur, l'Amarante by dominicbertine
i drive the main road
07 i drive the main road by slabrador
Chapelle Notre-Dame de Grâce, vitraux
08 Chapelle Notre-Dame de Grâce, vitraux by dominicbertine
Bountiful Harvest
09 Bountiful Harvest by Bruce Sorrell
Honfleur, la maison des soeurs gourmandes
10 Honfleur, la maison des soeurs gourmandes by dominicbertine
Honfleur, office de tourisme
11 Honfleur, office de tourisme by dominicbertine
Paseo hacia San Pedro del Pinatar
12 Paseo hacia San Pedro del Pinatar by estebanjvr
Honfleur, travaux 2
13 Honfleur, travaux 2 by dominicbertine
Honfleur, travaux 1
14 Honfleur, travaux 1 by dominicbertine
Auto portrait rétro
15 Auto portrait rétro by dominicbertine
LBSCR H2 class 4-4-2 no. 32424 "Beachy Head" shunting at Sheffield Park
16 LBSCR H2 class 4-4-2 no. 32424 "Beachy Head" shunting at Sheffield Park by James E. Petts
Bijenkorf Rotterdam The Netherlands
17 Bijenkorf Rotterdam The Netherlands by #AAD
Valley and mountains
18 Valley and mountains by James E. Petts
Simmons and Clark
19 Simmons and Clark by Bill Herndon
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Video reviews

3 on YouTube
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