In addition to the Laowa 9mm f/2.8 ZERO-D lens, Venus Optics also announced a new Laowa 25mm f/2.8 2.5-5X Ultra Macro lens. The US price will be $399. Here are the details (Google translation):
It is a macro lens for full size of manual focus.
The shortest shooting distance is 173 to 223.5 mm and shooting magnification 2.5 to 5 times is available.
It is possible to secure a working distance of 40 mm (5 times) to 45 mm (2.5 times) by optical design with a special configuration. It can correspond to various lighting to obtain better shooting result.
By adopting ultra low dispersion lens (UD lens), by appropriately suppressing chromatic aberration and color fringe, it is possible to capture images with high sharpness and high color reproducibility.
Each lens is coated with multilayer coating, minimizing ghost and flare. Therefore, under a strong light source, it is possible to take pictures with a very high contrast and neutral color.
Adopting a metal enclosure with excellent robustness.
It is compact, lightweight and excellent in portability.
Shipping starts in April 2018
Lens specifications:
Focal length: 25 mm
Open F value: F 2.8
Field of View: 10.3 degrees
Lens construction: 6 groups 8 pieces
Minimum aperture: F16
Maximum aperture: F 2.8
Minimum photographing distance: 173 mm to 223.5 mm
Working Distance: 40 mm - 45 mm
Shooting magnification: 2.5 times to 5 times
Number of diaphragm blade: 8
Weight: 400 g
Corresponding mount: Canon EF, Nikon F, Pentax K, Sony FE
MTF charts and lens design:
Update - here is a video review of the new lens (sample photos are available here):