Olympus M.Zuiko Digital ED 12-40mm f/2.8 PRO Lens cmmakeopenbox there is a a programmable

there is a a programmable control ring that can be set for intuitive adjustment over a variety of camera and exposure settings

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bright aperture

such as a polarizer

which controls flare and ghosting to produce greater contrast and color fidelity when working in bright and backlit conditions

Olympus M.Zuiko Digital ED 12-40mm f/2.8 PRO Lens cmmakeopenbox there is a a programmableA flexible zoom covering a popular focal length range, the M. Zuiko Digital ED 12 40mm f 2. 8 PRO from Olympus is a wide to portrait length 24 80mm equivalent lens for Micro Four Thirds mirrorless cameras. Its sophisticated optical design, which includes a variety of aspherical, low dispersion, and high refractive index elements, reduces both chromatic and spherical aberrations throughout the zoom range for notable clarity, sharpness, and color