|   | |
| Maker | Canon | 
|---|---|
| Technical data | |
| Type | Prime | 
| Focus drive | Ultrasonic motor | 
| Focal length | 180 mm | 
| Crop factor | 1.0 | 
| Aperture (max/min) | f/3.5–f/32 [1] | 
| Close focus distance | 480 mm / 1.5ft | 
| Max. magnification | 1:1 | 
| Construction | 14 elements in 12 groups | 
| Features | |
| Short back focus |  No | 
| Lens-based stabilization |  No | 
| Macro capable |  Yes | 
| Unique features | 1:1 macro | 
| Application | Macro | 
| Physical | |
| Max. length | 7.4in / 188 mm | 
| Diameter | 3.3in / 84 mm | 
| Weight | 1.09kg / 38.2oz | 
| Filter diameter | 72 mm | 
| Accessories | |
| Lens hood | ET-78 | 
| Angle of view | |
| Diagonal | 11° | 
| History | |
| Introduction | 1996 | 
| Discontinuation | 2021 [2] | 
| Retail info | |
| MSRP | $1200 USD | 
The Canon EF 180/3.5L Macro USM lens is the longest macro lens made by Canon in the EF mount, and is one of Canon's L series range of professional camera lenses. The lens is compatible with the Canon Extender EF teleconverters. Canon discontinued manufacture of the lens in 2021.