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

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.