- Lens Construction
-
FLD glass
SLD glass
- 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
Specifications
- Lens Construction
-
16 elements in 11 groups
- Angle of View
-
5°
- Number of Diaphragm Blades
-
9 (rounded diaphragm)
- Minimum Aperture
-
F32
- Minimum Focusing Distance
-
350cm / 137.8in.
- Maximum Magnification Ratio
-
1:6.5
- Filter Size
-
Φ46mm (Rear)
- Dimensions (Diameter × Length)
-
Φ144.8mm × 380.3mm / Φ5.7in. × 15in.
*The length of a lens is measured from the filter surface to its mount.
- Weight
-
3,310g
- Edition Number
-
S016
About Edition Number
- Supplied Accessories
-
・Case
・LENS HOOD LH1388-01
・COVER LENS CAP LC-185E
・FILTER HOLDER WITH WR PROTECTOR 46MM
・REAR CAP LCR II
・TRIPOD SOCKET TS-91 fixed
- Mount / Product Barcode
-
SIGMA SA-mount:00-85126-18556-5 (discontinued)
Nikon F mount:00-85126-18555-8 (discontinued)
Canon EF mount:00-85126-18554-1 (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
* Although dust and splash resistant structure allows the lens to be used in light rain, it is not the same as being waterproof.