| Angle of View (diagonal) |
8°15' |
| Lens Construction |
17 elements in 13 groups |
| No. of Diaphragm Blades |
8 |
| Minimum Aperture |
f/32 |
| Closest Focusing Distance (m) |
2.5m |
| Maximum Magnification (X) |
0.13x |
| AF Actuator |
Ring USM |
| Filter Diameter (mm) |
52mm drop-in |
| Max. Length x Diameter (mm) |
252 x 128mm |
| Weight (g) |
2550g |
| |
|
| Accessories |
|
Magnification with
Extension Tube EF 12 II |
0.18x - 0.04x |
Magnification with
Extension Tube EF 25 II |
0.24x - 0.09x |
| Focal Length with Extender EF 1.4x II / EF
2x II: |
420mm (f/4) / 600mm (f/5.6) |
| Lens Hood |
ET-120 |
| Lens Cap |
E-145 |
| Gelatin Filter Holder III (Hood III)* |
Not compatible |
| Gelatin Filter Holder IV (Hood IV)* |
Not compatible |
Fluorite lens 
UD lens
