Item Type: Camera Lens Material: Aluminum Alloy, Optical Glass Weight: Approx. 484g/17.07oz Color: As Shown Optical Structure: 6 Groups of 8 Pieces Maximum Aperture: F1.1 Minimum Aperture: F16 The Closest Focusing Distance: Approx. 0.35m/13.78in Filter Size: Approx. 52mm/2.05in Anti Shake: Without Anti Shake Focusing Mode: Manual Focus Aperture Gear: 8 Gears Aperture Blades: 11 Blades Package List 1 x Camera Lens 1 x Use Manual When using the camera lens, the camera must be set on no lens release mode. 1Premium Material: Made of premium aluminum alloy and optical glass, the camera lens is sturdy, durable, wear resistant, corrosion resistant and has a long service life. 2Suitable: The 50mm camera lens is compatible for FS5, FS7, FS7M2, FS5M2K, A3000, A5000, A5100, A5100L, A6000, A6000L, A6300, A6400, A6500, A6600, NEX 3, NEX 3N, NEX 3R, NEX C3, NEXF F3K, NEX 5, NEX 5K,NEX 5A, NEX 5C, NEX 5N, NEX 5T, NEX 5R, NEX 6, NEX 7. When you use it for A7 and A9 series, please switch to APS C before using. 3Large Aperture: The 50mm f1.1 lens is a good balance point between the pursuit of large aperture and the pursuit of picture quality with significant blurred effect. 4Portable: The large aperture lens is small in size, light in weight, convenient to take and carry, bring good hand feeling for you, you can use it in photography and so on. 5Delicate: The aluminum alloy camera lens can make your photos boast high picture quality with delicate details, and exquisite and excellent picture quality performance.