此款镜头是针对无反全画幅相机系统开发的超广角镜头，焦点距离9mm，视场角135°，同时具备了高性能、低畸变、体积小巧轻便的特色和优势。
| Name | FFⅡ 9mm F5.6 W-Dreamer |
| Focal Length | 9mm |
| Angle of View | 135° |
| Lens Structure | 10组14片 |
| Aperture Blades | 5片 |
| Min. focusing Distance | 12cm |
| Min. Working Distance | F22 |
| Max. Magnification | 0.21倍 |
| Focus Type | 手动（MF） |
| Weight | 约350g |
| Mounts | 徕卡M、尼康Z、索尼FE、L口 |
MTF
Optical Chart
文太大叔
FFⅡ 15mm F2.0 D-Dreamer
瓜哥
CF 65mm F2.8 CA-Dreamer Macro 2X
九重葛
FF 25mm F2.8 Ultra Macro 2.5-5X
程斌
FF 100mm F2.8 CA-Dreamer Macro 2X
子意
FF 100mm F2.8 CA-Dreamer Macro 2X
稷下先生
FF 100mm F2.8 CA-Dreamer Macro 2X
刘夙培
FFⅡ 15mm F2.0 D-Dreamer
杰哥
CF 65mm F2.8 CA-Dreamer Macro 2X
沈哲
MFT 17mm F1.8 C-Dreamer
小开火
FF 100mm F2.8 CA-Dreamer Macro 2X
瓜哥
FF 100mm F2.8 CA-Dreamer Macro 2X
稷下先生
FF 100mm F2.8 CA-Dreamer Macro 2X
扩大原有35mm全画幅系统镜头的像场，使镜头像场得以覆盖富士GFX中画幅(44x33)系统相对较大的传感器。
可以将定焦、变焦电影镜头通过转接后，实现变形宽荧幕效果。
为了在使用25mm F2.8对焦时能清晰看清物体做到精确对焦，我们开发了这款针对超微镜头的补光灯。
FFⅡ TS 17mm F4/S 17mm F4 C-Dreamer offer professional-grade perspective control for full-frame and medium format mirrorless users. Featuring ±10° of tilt and ±12mm of shift, it allows for meticulous manipulation of the focal plane and geometric correction
The ultra-wide-angle prime lens has an equivalent 12mm field of view to full-frame cameras, making it suitable for M4/3 format mirrorless camera users as well as drone, vlog, landscape, and astrophotography shooting.
