| Angle of View (diagonal) |
6°10' |
| Lens Construction |
17 elements in 13 groups |
| No. of Diaphragm Blades |
8 |
| Minimum Aperture |
f/32 |
| Closest Focusing Distance (m) |
3m |
| Maximum Magnification (X) |
0.15x |
| AF Actuator |
Ring USM |
| Filter Diameter (mm) |
52mm drop-in |
| Max. Length x Diameter (mm) |
349 x 163mm |
| Weight (g) |
5,370g |
| |
|
| Accessories |
|
Magnification with
Extension Tube EF 12 II |
0.19x - 0.03x |
Magnification with
Extension Tube EF 25 II |
0.23x - 0.06x |
| Focal Length with Extender EF 1.4x II / EF
2x II: |
560mm (f/4.0) / 800mm (f/5.6) |
| Lens Hood |
ET-155 |
| Lens Cap |
E-180C |
| Gelatin Filter Holder III (Hood III)* |
Not compatible |
| Gelatin Filter Holder IV (Hood IV)* |
Not compatible |
Fluorite lens 
UD lens
