- 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
-
F2
F4
F8
F2
F4
F8
Specifications
- Lens Construction
-
18 elements in 13 groups
- Angle of View
-
84.1°-63.4°
- Number of Diaphragm Blades
-
9 (Rounded diaphragm)
- Minimum Aperture
-
F16
- Minimum Focusing Distance
-
28cm/11.0in.
- Maximum Magnification Ratio
-
1:4.4
- Filter Size
-
φ82mm
- Dimensions (Diameter × Length)
-
Φ87.6mm × 122.7mm / Φ3.4 in. × 4.8 in.
*The length of a lens is measured from the filter surface to its mount.
- Weight
-
940g / 33.2oz.
- Edition Number
-
A015
About Edition Number
- Supplied Accessories
-
・Case
・LENS HOOD LH876-03
・FRONT CAP LCF-82mm III
・REAR CAP LCR II
- Mount / Product Barcode
-
SIGMA SA-mount：00-85126-58856-4
Nikon F mount：00-85126-58855-7
Canon EF mount：00-85126-58854-0
Technology
All figures calculated by SIGMA SA mount.