- Lens Construction
-
SLD glass
- 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
Specifications
- Lens Construction
-
11 elements in 6 groups
- Angle of View
-
180°
- Number of Diaphragm Blades
-
6 Blades
- Minimum Aperture
-
F22
- Minimum Focusing Distance
-
13.5cm
- Maximum Magnification Ratio
-
1:4.6
- Filter Size
-
Rear (Gelatin filter)
- Dimensions (Diameter × Length)
-
⌀73.5mm × 68.6mm / ⌀2.9in. × 2.7in.
*The length of a lens is measured from the filter surface to its mount.
- Weight
-
400g / 14.1oz.
- Supplied Accessories
-
Lens case
- Mount / Product Barcode
-
SIGMA SA-mount：00-85126-48540-5 (discontinued)
Canon EF mount：00-85126-48527-6 (discontinued)
Nikon F mount：00-85126-48559-7 (discontinued)
* For SIGMA SA mount
* Nikon F mount do not have an aperture ring, therefore depending on Camera model some functions may not work.