| Mount
availability: |
Canon
EOS, Nikon-D |
 |
| Focal
length: |
16
to 50mm |
 |
| Maximum
aperture: |
f/2.8 |
 |
| Minimum
aperture: |
f/22 |
 |
| Optical
construction: |
15
elements in 12 groups |
 |
| SD
glass: |
One
elements |
 |
| Coatings: |
"Water
Proof” optical coating |
 |
| Angle
of view: |
82°
~ 31° |
 |
| Minimum
focus distance: |
11.8
in. (30cm) |
 |
| Macro
Ratio: |
1:4.88 |
 |
| Zooming
system: |
Rotary
type |
 |
| Number
of diaphragm blades: |
9 |
 |
| Filter
size: |
77mm |
 |
| Dimensions: |
3.3
in. (84mm) X L 3.8 in. (97.4mm) |
 |
| Weight: |
21.5
oz. (610g) |
 |
| Lens
Hood |
BH-777 |
 |
| Availability:
|
May
2007 |
|