NiSi Athena Prime 50mm T1.9 GFX
Summary
The NiSi Athena Prime 50mm T1.9 GFX is a 50mm standard prime (40mm equivalent) with f/1.9 maximum aperture. The lens is priced at approximately ~$1250 USD. Please check the official product page for sample images, manuals, and firmware updates.
Weaknesses
- No built-in optical stabilization
Specifications 15/20
| Optical construction | — |
| Coating | — |
| Focal length | 50mm |
| Max aperture | f/1.9 |
| Sweet spot | — |
| Aperture blades | 10 (circular) |
| Sunstar points | 10 (soft — circular blades) |
| Max magnification | — |
| Min focus distance | 500mm |
| AF motor | Manual focus |
| OIS | No |
| Weather sealed | No |
| Aperture ring | Yes |
| Clickless aperture | Yes |
| Focus ring | Yes |
| Focus by wire | No |
| Distance scale | Yes |
| Rotating front | No |
| Tripod mount | No |
| Weight | 860g |
| Diameter | 80mm |
| Length | 81.3mm |
| Filter thread | 77mm |
| Year | 2023 |
Optical Quality 0/14
Limited professional review coverage for this lens.