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Black Micro Four Thirds zoom lens with weather-sealed barrel and lens hood

Olympus America Inc.

Olympus America Inc. M.Zuiko Digital ED 8-25mm f/4 PRO Lens for Micro Four Thirds, Black

SKU CH-WFBA-CXZTD

Ultra-wide zoom for Micro Four Thirds with constant f/4 aperture and IP53 weather sealing

  • 16 elements in 10 groups deliver edge-to-edge sharpness
  • 8-25mm (16-50mm equivalent) covers ultra-wide to standard views
  • Constant f/4 aperture maintains exposure through the zoom range
  • IP53 dust, splash and freeze-proof construction handles harsh conditions
  • 1x zoom with fluorine coating simplifies front-element cleaning

Ultra-wide Micro Four Thirds zoom

The Olympus M.Zuiko Digital ED 8-25mm f/4 PRO lens covers a 16-50mm equivalent focal range on Micro Four Thirds bodies. Its constant f/4 aperture holds exposure steady across the 3.1x zoom, making it practical for landscapes, architecture and travel photography. The optical design uses 16 elements in 10 groups with ED, DSA and HR glass to control aberrations throughout the range. A fluorine coating on the front element resists dust, dirt, rain and snow.

Compatibility and handling checks

Verify your camera uses the Micro Four Thirds mount before ordering. The lens weighs under one pound, so confirm your tripod head or gimbal can balance the setup if you shoot long exposures or video. The IP53-rated barrel seals against dust and splashes, but ensure any additional filters or hoods you plan to use do not compromise that seal. The lens hood includes a safety button to prevent accidental detachment during transport.

Upgrade path from variable-aperture zooms

This lens replaces slower variable-aperture ultra-wide zooms that drop to f/5.6 or smaller at the long end. The constant f/4 aperture gives consistent depth of field and exposure for video work and low-light stills. The 3.1x range also eliminates the need to swap between a dedicated 8mm prime and a standard wide zoom. The jump is worth it when you need weather-sealed construction and edge-to-edge sharpness across a versatile wide-angle range in a single lightweight optic.

Highlights

  • 16 elements in 10 groups deliver edge-to-edge sharpness
  • 8-25mm (16-50mm equivalent) covers ultra-wide to standard views
  • Constant f/4 aperture maintains exposure through the zoom range
  • IP53 dust, splash and freeze-proof construction handles harsh conditions
  • 1x zoom with fluorine coating simplifies front-element cleaning

Specifications

No published specifications for this item yet.

Questions about this item

What comes in the box with the M.Zuiko 8-25mm f/4 PRO and what must I buy separately?

The lens ships with front and rear caps, a lens hood featuring a safety button, and a pouch; filters, a spare hood or a tripod collar are not included and must be purchased separately.

Should I choose the 8-25mm f/4 PRO or a different Micro Four Thirds wide zoom?

Pick this 8-25mm f/4 PRO when you need a constant f/4 aperture across a 3.1× zoom range with IP53 sealing; choose a variable-aperture alternative if you want a lighter, less expensive option.

What does the 16-50mm equivalent focal length mean on my Micro Four Thirds body?

On any Micro Four Thirds camera the 8-25mm lens frames like a 16-50mm lens on full frame, giving you ultra-wide to normal coverage with a constant f/4 aperture throughout.

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