Focal
Length & Maximum Aperture: |
17-40mm 1:4 |
Lens
Construction: |
12 elements
in 9 groups |
Diagonal
Angle of View: |
74° - 29° |
Focus
Adjustment: |
Inner focusing
system with USM |
Closest
Focusing Distance: |
0.28m / 0.9
ft. |
Zoom
System: |
Rotating Type |
Filter
Size: |
77mm |
Max.
Diameter x Length, Weight: |
3.3" x 3.8",
1.1 lbs. / 83.5mm x 96.8mm, 500g |
|