NiSi Optics has announced the NiSi 15mm f/4 wide-angle manual focus lens for full-frame mirrrless. The US price of the lens is $579.00 and available for pre-order. You can also find NiSi products at Amazon, and B&HPhoto. NiSi 15mm f/4 full-frame lens is available for Nikon Z, Canon R, Sony E, and Fuji X mounts.
The fully-manual lens features an all-metal construction and is comprised of 12 elements in 10 groups, including one double-side aspherical element and two extra-low dispersion elements. It has an aperture range of F4 through F22 and uses a ten-blade aperture diaphragm, which helps to create the signature sunstars this lens is named after.
The angle of view is 112-degrees when mounted on full-frame cameras and 78-degrees when mounted on Fujifilm X mount cameras. Other features include a minimum focusing distance of 20cm (7.9”) and a 72mm front filter thread. The lens measures 75.6mm (3”) diameter, 80.5mm (3.2”) long and weighs 470g (1lb).
Key Features
- Create Beautiful Sunstars from f/4 to f/22
- Full-Frame Mirrorless Format
- Aperture Range: f/4 to f/22
- Manual Focus Operation
- Double-sided aspherical element
- 112° wide field of view
- Compatible with 100mm filter systems
- Premium all metal construction
- High definition optical glass elements
NiSi 15mm f/4 Specifications
| Focal Length（full frame） | 15mm |
| Focal Length（APS-C） | 22mm |
| Lens Mount | SONY E/CANON RF/NIKON Z/FUJIFILM X |
| Format Compatibility | Full frame |
| Aperture Range | f/4 – f/22 |
| Focus Type | Manual Focus |
| Lens Elements/Groups | 12 Elements in 10 Groups |
| Filter Thread | 72mm |
| Minimum Focus Distance | 0.2m |
| Maximum Magnification | 0.13x |
| Angle of View | 112° (APS-C: 78°) |
| Diaphragm Blades | 10 |
| Weight | 470g |
| Dimensions (ø x L) | 75.6mm×80.5mm |
