| Lens number | FF 12mm F2.8 D-Dreamer超广角镜头 |
| Aperture | F2.8 |
| Viewing angle | 121.96° |
| Aperture blade | 7片 |
| Maximum magnification | 0.2倍 |
| Filter diameter | 方形滤镜 100mm，圆形CPL 95mm（专用滤镜支架） |
| Weight | 约590g（佳能EF口） |
| Focal distance | 12mm |
| Minimum aperture | F22 |
| Lens structure | 10组16片（2枚非球面玻璃，3枚异常分散玻璃） |
| Nearest photographic distance (object-image distance) | 18cm |
| Focus drive mode | 手动（MF) |
| Lens size (diameter/length) | 约Φ82.2mm x 74.8mm（佳能EF ）约Φ82.2mm x 115mm（佳能RF）均不含滤镜/遮光罩 |
| bayonet | 佳能EF、RF、尼康F、Z、宾得PK、索尼FE、L口 |
MTF
Optical Chart
