The optical design of the lens includes DSA (Dual Super Aspherical), ED (extra-low dispersion), Super ED, HR (high-refractive), Super HR, HD element and two aspherical ED elements, which minimize distortion and aberrations and provide excellent sharpness. and image clarity and accurate color rendering throughout the zoom range. In addition, all optical elements are coated with ZERO (Zuiko Extra-low Reflection Optical), which prevents glare and ghosts and improves image contrast.

The constant relatively large maximum aperture of the Olympus M.Zuiko Digital ED 8-25mm f / 4 PRO allows operation in low light conditions, as well as good control over the depth of focus, and the seven rounded elements provide smooth bokeh.

The MSC (Movie & Still Compatible) autofocus system is equally efficient at capturing still images and video, offering smooth, fast and quiet focusing. Switching to manual focus mode is easy and fast by pulling the focus ring.

The lens body is resistant to dust and splashes of water, as well as extreme temperatures, and the front optical element has a fluorine coating that repels various contaminants. There is also a programmable L-Fn button for quick access to various settings