RF1200mm f/8L IS USM
| Angle of View (Diagonal) | 02°05′ |
| Angle of View (Horizontal) | 01°45′ |
| Angle of View (Vertical) | 01°10′ |
| Closest Focusing Distance (m, ft) | 4.3 / 14.1 |
| Construction (Groups Elements) | 18,26 |
| Diameter x Length (mm) (Approx.) | 168 × 537 |
| Distance Scale | - |
| Drive System | Ring USM |
| Filter Size (mm) | 52 (drop-in filter) |
| Max. Magnification (x) | 0.29 |
| Min. Aperture | 64 |
| No. of Diaphragm Blades | 9 |
| Anti-dust and Moisture | Yes |
| Weight (g) (Approx.) | 3340 |
| Accessories (Lens Cap) | E-185C |
| Accessories (Lens Hood) | ET-160 (WIII) / ET160B(sold separately) |
| Accessories (Lens Bag) | LS1200 |