Sigma AF 18-50mm F2.8 EX DC Aspherical Macro Specifications
Product ID:
#581
Compatibility:
APS-C only
Diagonal Angle of View:
69.3° - 27.9°
Maximum Magnification:
1:3
Minimum Aperture:
F22
Number of Aperture Blades:
7
Iris Pattern:
Minimum Distance:
20cm
Filter Thread:
72mm
Maximum Diameter:
79mm
Length:
85.8mm
Weight:
450g
Focus Type:
internal focus mechanism
Full Focus Throw:
60°
Zoom Type:
rotary
Lens Hood:
LH 780-04 (bayonet mounted, flower shaped)
Produced:
2006
Tests:
PopPhoto Measurements:
18.80-50.55mm F2.99-3.03 at 1:4.96-1:2.59