| Mount
availability: |
Canon
EOS, Nikon-D |
 |
| Focal
length: |
50
to 135mm |
 |
| Maximum
aperture: |
f/2.8 |
 |
| Minimum
aperture: |
f/32 |
 |
| Optical
construction: |
18
elements in 14 groups |
 |
| SD
glass: |
One
elements |
 |
| Coatings: |
"Water
Proof” optical coating |
 |
| Angle
of view: |
31°
3’ ~ 11° 8’ |
 |
| Minimum
focus distance: |
39.3
in. (1.0m) |
 |
| Reproduction
ratio: |
1:5.89 |
 |
| Zooming
system: |
Rotary
type |
 |
| Number
of diaphragm blades: |
9 |
 |
| Filter
size: |
67mm |
 |
| Maximum
outer diameter: |
3.07
in. (78.2mm) |
 |
| Dimensions: |
3.07
in. (78.2mm) X L 5.32 in. (135.2mm) |
 |
| Weight: |
29.8
oz. (845g) |
 |
| Lens
Hood |
BH-671 |
 |
| Availability:
|
November
2006 |
|