Focus mode: Manual. Focal range: 18mm. Number of elements: 6 elements in 4groups. Maximum Aperture: f6.3. Minimum focal distance: 0.35m. The equivalent focal length of 18mm is around 27mm Wide Compatibility: It fit for Sony A7 A7II A7III A7M3 A7R A7RIII A7S A7SIII A6000 A6300 A6400 A6500 NEX-3 NEX-3R NEX-5T NEX-5R NEX-5 NEX-7 NEX-7 NEX-5C 7artisans 18mm F6.3 Mark II Ultra-thin APS-C Prime Lens Fit for Sony Compact Mirrorless Cameras For Sony A7 A7II A7III A7M3 A7R A7RIII A7S A7SIII A6000 A6300.
- Focus mode: Manual Focal Range: 18mm.
- Number of elements: 6 elements in 4 groups.
- Maximum aperture: f6.3 Minimum Focal Length: 0.35m The equivalent focal length of 18mm is approximately 27mm.