- Lens Construction
-
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
Specifications
- Lens Construction
-
10 elements in 8 groups
- Angle of View
-
84.1°
- Number of Diaphragm Blades
-
7（Rounded diaphragm）
- Minimum Aperture
-
F22
- Minimum Focusing Distance
-
10.8cm / 4.3in.
- Maximum Magnification Ratio
-
1:2
- Filter Size
-
φ55mm
- Dimensions (Diameter × Length)
-
L-Mount：φ64mm x 48.8mm / φ2.5in. x 1.9in.
Sony E-mount：φ64mm x 50.8mm/ φ2.5in. x 2.0in.
*The length of a lens is measured from the filter surface to its mount.
- Weight
-
L-Mount：225g / 7.9oz.
Sony E-mount：230g / 8.1oz.
- Edition Number
-
C021
About Edition Number
- Supplied Accessories
-
・Magnetic metal lens cap LCF55-01M
・LENS HOOD LH576-01
・FRONT CAP LCF-55mm III
・REAR CAP LCR II
- Mount / Product Barcode
-
L-Mount：00-85126-40469-7
Sony E-mount：00-85126-40465-9
Technology
Others
Lens construction: 10 elements in 8 groups, with 1 SLD glass and 3 aspherical lenses
Compatible with high-speed autofocus
Compatible with lens-based optical correction
Petal Type Lens Hood
Compatible with SIGMA USB DOCK UD-11 (sold separately / for L-Mount only)
Designed to minimize flare and ghosting
Supports DMF, AF+MF
Inner focus
7-blade rounded diaphragm
High-precision, durable brass bayonet mount
