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Ultra wide 21mm fixed focal length with aperture range f1.4-f26 Lens features Rokinon Ultra Multi-Coated (UMC) optical glass for sharpc clear images Constructed of 8 lens elements in 7 lens groups Petal Shaped Lens Hood Uses filter size of 58mm and 66.4 DEGREE Angle viewExtra Description
Style: MFT Mount Designed for mirrorless camerasc this new Rokinon 21mm F1.4 Wide Angle Lens is available for Sony Alpha E mountc Fuji X mountc Micro Four Thirds and Canon M mount interchangeable lens cameras. It features a fast F1.4 aperture and a superb optical construction with 3 internal aspherical lens elements & 1 ED glass element. The Rokinon 21mm Lens is also convenient and easy to use with a smooth focus ringc compact size and an included detachable lens hood. Image results are brightc sharp & clear with high resolution & super low distortion.
Have just had it a few daysc but ran a number us tests on my A6000. Manual focus is very smooth and easy to operate. Wide open the lens is good across the frame. Stopped down to 2.0 the center goes from good to excellent. The far corners improve to really outstanding at f4 to f8. I own the Sigma 19mmc which would be a close competitor. In comparing these 2 lensc it was no contest. The edges on the Sigma 19mm are blurry mess at f2.8 compared to the Rokinon and even stopped down never come close to the Rokinon. Of coursec the Sigma has auto focusc and at half the price is still a good buy. If you shoot landscapec like I doc this lens should be on your short list.