7artisans released their Photoelectric 12mm f/2.8 Lens for Sony E-mount. This lens is a very good value and the samples look pretty good too. You can find the Photoelectric 12mm f/2.8 Lens for Sony E-mount at B&H Photo.
Compatible camera mount: Sony E-mount; Canon and Fuji cameras
Full frame: No, APS-C
Focus: manual
Focal length: 12mm
Aperture range: F2.8-F16
Angel of View: 102°
Closet Focus Distance: 0.2m
Blades Number: 7 diaphragm blades
Construction: 10 elements in 8 groups
Weight: 295g
Manufacturer’s preferred price ¥ 29,000 (excluding tax)
World’s smallest size 12 mm “APS-C” super wide-angle lens. It corresponds to 18 mm in terms of 35 mm format, the lens composition is 10 lenses in 8 groups, and the inner focus which does not change in focus adjustment is adopted. Keeping high resolving power from the center to the periphery, thoroughly suppressed distortion aberration can be widely used for scenes, buildings, shooting in narrow indoor spaces, etc. It uses an aluminum alloy for the exterior, and it has an appearance with a high-class feeling. The aperture ring is a stepless type with no click feeling, and you can enjoy movie shooting.