- Lens Construction
-
- 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
-
7 elements in 6 groups
- Angle of View
-
180°
- Number of Diaphragm Blades
-
7 Blades
- Minimum Aperture
-
F22
- Minimum Focusing Distance
-
15cm / 5.9in.
- Maximum Magnification Ratio
-
1:3.8
- Filter Size
-
Rear (Gelatin filter)
- Dimensions (Diameter × Length)
-
⌀73.5mm × 65mm / ⌀2.9in. × 2.7in.
*The length of a lens is measured from the filter surface to its mount.
- Weight
-
370g / 13.0oz.
- Supplied Accessories
-
CASE included.
- Mount / Product Barcode
-
SIGMA SA-mount：00-85126-47640-3 (discontinued)
Nikon F mount：00-85126-47644-1 (discontinued)
Canon EF mount：00-85126-47627-4 (discontinued)
Sony A-mount：00-85126-47634-2 (discontinued)
Pentax mount：00-85126-47645-8 (discontinued)
* For SIGMA SA mount