This 35mm F1. 7 is a Standard Manual 35mm lens for Sony APS-C Mirrorless cameras. You need to set the aperture and focus manually. It has a maximum aperture of f/1. 7, which enables you to shoot at nighttime and dark environment. The lens is NOT good for Landscape, it works like to TILT lens. Specifications: Lens type: Manual Lens Aperture: F1. 7 - F16 Focus: Manual Mount: C-Mount With 16m Cine C Mount to Sony E-Mount Adapter Compatible: Sony E mount Mirrorless Cameras NEX-5T NEX-5R NEX-6 NEX-7 A3000 A5000 A5100 A6000 A6100 A6300 A6500 A6500 etc FULLY MANUAL Pease go to your camera CUSTOM FUNCTIONS and ENABLE release SHUTTER W/O LENS option in order to take pictures

Pls note: this lens is good for portrait photography, but it not good for landscape photography. The sharpness in the center is fine, but the border is soft. It looks like a tilt lens. Focus length: 35mm, aperture: f/1. 7 - f/16 - close. Focus operation: Manual; aperture operation: Manual. Lens mount: 16mm C-mount, comes with a 16M Cine C mount to Sony E-mount adapter. Compatible with Sony E-mount APSC Mirrorless cameras, NEX-5R NEX6 NEX7 a3100 a51000 a6000 a6100 a63000 a6400 a6500.

Model Name: 3517CE. Lens Fixed Focal Length: 35 Millimeters. Focus Type: Manual Focus. Lens Design: Prime. Minimum Focal Length: 35 Millimeters. Maximum Focal Length: 35 Millimeters. Camera Lens Description: 7. Compatible Mountings: C Mount, Sony E. Lens Type: Standard. Brand: Fotasy. Manufacturer: Photography Accessories INC. Date First Available: April 14, 2011. Is Discontinued By Manufacturer: No. Best Sellers Rank: #22 in Mirrorless Camera Lenses #47 in Camera Lens Adapters & Converters #86 in SLR Camera Lenses. Customer Reviews: 4.3 out of 5 stars 720 ratings 4.3 out of 5 stars. Item model number: 3517CE. : B004WIK6KU. Item Weight: 3.2 ounces. Product Dimensions: 3 x 3 x 2 inches.