- Lens Construction
-
SLD glass
ASPHERICAL LENS
- MTF Chart
-
| 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
-
F1.8
F4.0
F8.0
F1.8
F4.0
F8.0
Specifications
- Lens Construction
-
17 elements in 12 groups
- Angle of View
-
76.5° - 44.2°
- Number of Diaphragm Blades
-
9 (Rounded diaphragm)
- Minimum Aperture
-
F16
- Minimum Focusing Distance
-
28cm/11.0in.
- Maximum Magnification Ratio
-
1:4.3
- Filter Size
-
φ72mm
- Dimensions (Diameter × Length)
-
SIGMA SA-mount：φ78mm × 121mm / φ3.1in. × 4.8in.
*The length of a lens is measured from the filter surface to its mount.
- Weight
-
SIGMA SA-mount：810g / 28.6oz.
- Edition Number
-
A013
About Edition Number
- Supplied Accessories
-
・Case
・Petal Type LENS HOOD LH780-06
・FRONT CAP LCF-72mm III
・REAR CAP LCR II
- Mount / Product Barcode
-
Nikon F mount：00-85126-21055-7
Canon EF mount：00-85126-21054-0
SIGMA SA-mount：00-85126-21056-4 (discontinued)
Technology
All figures calculated by SIGMA SA mount.
* Sony A and Pentax mounts has been discontinued in production.
* Vignetting will occur if the lens is used with digital cameras with image sensor larger than APS-C size or 35mm SLR, and APS Film SLR cameras.
* The angle of view varies depending on which camera the lens is mounted on.