7artisans 50mm F1.1 Lens for Leica M-Mount Cameras: M-M, M240, M3, M6, M7, M8, M9, M9p, M10 - Customized Version (Black) Review

7artisans 50mm F/1.1 Prime Fixed Lens. Manual Focus,Lens Construction: 7 elements in 6 groups. Portable Aluminum Mount: Aluminum-made body and copper bayonet designed,lightweight and portable. F1.1 Large Aperture : 7artisans 50mm F1.1 Camera lens designed with high quality multi-coated optical glass. Exquisite body features amazing maximum aperture of F1.1, which creates fascinating background blur effect and sharper image quality. No worries about low-light environment or nightscape, just shoot and enjoy the safe and fast shutter speed. High Quality Producing Requirements: It was optimized for working on full aperture with the great sharpness and contrast as on smaller apertures by Sonnar formula and high refractive optical glasses (greater than 1.9). At the same time, it features fast aperture and lowest chromatic aberration,producing pleasing portrait style quality for any general purpose application. Easy to use: with the focal length scale and smooth focal ring. Even if you are a photograph rookie, it’s still very easy to focus on what you want and feel the unique charm of this manual lens. It will help you more concentrate on the image itself. (Note: This lens needs special treatment before it is applied to some cameras. It is recommended to ask customer service before purchase.).