| Detailed Specifications |
Construction
|
15 elements in 13 groups, including 2 ED Lenses and 2 aspherical lenses
|
| Number of Blades |
7
|
Angle of view
|
62° to 6.9°
|
F stop range Maximum Aperture
|
f3.5 (18mm) - f6.3 (180mm)
|
| Minimum Aperture |
f22
|
| Closest Focusing Distance |
17.7" (0.45m) |
| Maximum Magnification |
0.23x (0.46x 35mm equivalent) |
| Filter Size |
62mm |
| Dimensions (Length x Diameter) |
3.1" x 3.33" (78 x 84.5mm) |
| Weight |
15.5 oz. (440g) |
| Notes |
Compatibility: Teleconverter EC-14: Yes
Extension Tube EX-25:
Extended Maximum image magnification; 0.71x |