- Lens Construction
-
FLD glass
SLD glass
ASPHERICAL LENS
- MTF Chart
-
Diffraction MTF
Geometrical MTF
| Spatial frequency | S:Sagittal Line | M:Meridional Line |
|---|---|---|
| 10lp/mm |
|
|
| 30lp/mm |
|
|
The MTF chart gives the result at the wide-open aperture
- Distortion
-
- Vignetting
-
F4
F8
F16
F4
F8
F16
Specifications
- Lens Construction
-
16 elements in 11 groups
- Angle of View
-
122.0°-84.1°
- Number of Diaphragm Blades
-
9 (Rounded diaphragm)
- Minimum Aperture
-
F22
- Minimum Focusing Distance
-
24cm* / 9.4in. *At 24mm end of the zoom range
- Maximum Magnification Ratio
-
1:4.9
- Dimensions (Diameter × Length)
-
φ102.0mm × 131.5mm / φ4.0in. × 5.2in.
*The length of a lens is measured from the filter surface to its mount.
- Weight
-
1,150g / 40.6oz.
- Edition Number
-
A016
About Edition Number
- Supplied Accessories
-
Case, Cover Lens Cap LC1020-01
- Mount / Product Barcode
-
SIGMA SA-mount：00-85126-20556-0 (discontinued)
Nikon F mount：00-85126-20555-3 (discontinued)
Canon EF mount：00-85126-20554-6 (discontinued)
Technology
* All figures calculated by SIGMA SA mount.
* The Nikon mount version of this lens includes an electromagnetic diaphragm mechanism. Functionality may be limited on some camera bodies. *For Nikon F mount cameras, please see Nikon camera compatibility