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Pros Pros
  • Robust, weather-sealed build with internal zoom
  • Effective image stabilization for handheld shooting
  • Fast and accurate autofocus performance
  • Exceptional image sharpness and optical quality
  • Integrated 1.25x teleconverter for added reach
Cons Cons
  • High financial cost
  • Autofocus performance limitations in specific conditions
  • Physical size and weight considerations
  • Minor design and handling drawbacks
  • Suboptimal bokeh rendering and highlight artifacts

Launch price Launch price $7,499
Focal length & aperture Focal length & aperture 150-400mm f/4.5-5.6
Mount & coverage Mount & coverage Micro Four Thirds · Micro Four Thirds
Stabilization Stabilization Optical IS, 8 stops (CIPA)
Close focus Close focus 1.3 m (0.13x)
Filter thread Filter thread 95mm
Autofocus motor Autofocus motor Stepper motor
Weight & size Weight & size 1875g (4 lb 2.1 oz) · 95 x 314 mm (3.74 x 12.36 in)

Announcement date Announcement date January 1, 2021
Launch MSRP Launch MSRP $7,499
Lens mount Lens mount Micro Four Thirds
Image circle coverage Image circle coverage Micro Four Thirds
Lens type Lens type Zoom
Lens line / series Lens line / series M.Zuiko PRO

Elements Elements 28
Groups Groups 18
Special elements Special elements 1 Super ED, 2 ED, 2 Super HR, 1 HR
Coatings Coatings Z Coating Nano
Front fluorine coating Front fluorine coating Yes
Built-in teleconverter Built-in teleconverter Built-in 1.25x Teleconverter

Focal length (wide) Focal length (wide) 150mm
Focal length (tele) Focal length (tele) 400mm
Max aperture (wide) Max aperture (wide) f/4.5
Max aperture (tele) Max aperture (tele) f/5.6
Minimum aperture Minimum aperture f/22
Diaphragm blades Diaphragm blades 9

Diagonal angle of view Diagonal angle of view 8.2° - 3.1°

Autofocus motor Autofocus motor Stepper motor
Minimum focus distance Minimum focus distance 1.3 m
Maximum magnification Maximum magnification 0.13x
Focus mechanism Focus mechanism Internal focus

Optical stabilization (OIS) Optical stabilization (OIS) Yes
OIS rating OIS rating 8 stops

Aperture ring Aperture ring No
AF/MF switch AF/MF switch Yes

Weight Weight 1875g (4 lb 2.1 oz)
Maximum diameter Maximum diameter 95mm (3.74 in)
Length Length 314mm (12.36 in)
Filter thread Filter thread 95mm
Weather sealing Weather sealing Full weather sealing
Barrel material Barrel material Magnesium alloy
Internal zoom Internal zoom Yes
Tripod collar Tripod collar Included

Lens hood Lens hood Carbon fiber hood, included
Teleconverter compatibility Teleconverter compatibility 1.4x and 2.0x