"Biscuit" Lens: 18mm f6.3 is an ultra-thin "biscuit type fixed focus lens", with compact design and Excellent portability, excellent image quality and dustproof performance. You just need to put it on the camera body as a protective body cover to keep the weight of the camera. | Constant Aperture: The fastest focusing is without focusing, the focal length is 18mm, the aperture is F6.3, and the focus distance of Mark II is 0.3M~∞ more than that of Mark I, opening endless space, creating charming closing experience, and capturing portraits from daily life in an instant. | Wide Scope of Application: The lens can be easily put into the pocket, suitable for various styles and scenes of street photography and landscape photography: tourism, scenery, people, still life, insects, buildings, etc. | Excellent Image Structure: It combines lightweight design and excellent image quality to cover APS-C sensor. Although the size is compact, the lens is composed of five groups of six pieces. Keeping the weight of the camera can provide excellent image resolution. | Extensive Compatibility: Compatible for Fuji XH2s XT4 XT3 XE4 Xs10 X-A10 X-A7 X-M2 X-T10 X-T2 X-T20 X-Pro1 X-Pro2 X-E1 X-E2. If you have any questions about purchasing our products, please contact us at any time, and we will do our best to provide you with solutions!