❤️[Durable&Compact] TTArtisan 21mm F1.5 Lens is one of the smallest and lightest full frame wide-angle lenses. It’s all-metal boby with 13 elements in 11 groups and 10 diaphragm blades, weighing only 0.97lb/442g. Included a tulip flower lens hood and a round filter holder(filter size:72mm) that help to block stray light from causing lens flare and also offer some physical protection to the front of the lens. ❤️[Fast &Wide] The broad field of view is complemented by the bright f/1.5 maximum aperture, which excels in low-light conditions as well as for isolating subjects using selective focus techniques. ❤️[Minimum Focal Distance] The lens's manual focus design permits working with subjects as close as 1.6' away and it features a 10-blade diaphragm that contributes to a smooth bokeh quality and 10-pointed sunstars. ❤️[Multiple shooting subjects] Ultra-wide field of view renders space suits interior, street, architecture, and landscape shooting. ❤️[Compatible] Compatible with Leica M-mount Cameras: M2 M3 M4 M5 M6 M7 M8 M9 M9P M10 M11 M262 M240 M240P M10P M10M M10R. ❤️[Durable&Compact] TTArtisan 21mm F1.5 Lens is one of the smallest and lightest full frame wide-angle lenses. It’s all-metal boby with 13 elements in 11 groups and 10 diaphragm blades, weighing only 0.97lb/442g. Included a tulip flower lens hood and a round filter holder(filter size:72mm) that help to block stray light from causing lens flare and also offer some physical protection to the front of the lens.❤️[Fast &Wide] The broad field of view is complemented by the bright f/1.5 maximum aperture, which excels in low-light conditions as well as for isolating subjects using selective focus techniques.❤️[Minimum Focal Distance] The lens's manual focus design permits working with subjects as close as 1.6' away and it features a 10-blade diaphragm that contributes to a smooth bokeh quality and 10-pointed sunstars.❤️[Multiple shooting subjects] Ultra-wide field of view renders space suits interior, street, architecture, and landscape shooting.❤️[Compatible] Compatible with Leica M-mount Cameras: M2、M3、M4、M5、 M6、M7、M8、M9、M9P、M10、M262、 M240、M240P、M10P、M10M、M10R、M11