- 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
-
11 elements in 10 groups
- Angle of View
-
27.0°
- Number of Diaphragm Blades
-
9(Rounded diaphragm)
- Minimum Aperture
-
F22
- Minimum Focusing Distance
-
50cm / 19.7in.
- Maximum Magnification Ratio
-
1:5
- Filter Size
-
φ55mm
- Dimensions (Diameter × Length)
-
L-Mount:φ64mm × 59.7mm / φ2.5in. × 2.4in.
Sony E-mount:φ64mm × 61.7mm / φ2.5in. × 2.4in.
*The length of a lens is measured from the filter surface to its mount.
- Weight
-
L-Mount:295g / 10.4oz.
Sony E-mount:295g / 10.4oz.
- Edition Number
-
C021
About Edition Number
- Supplied Accessories
-
・Magnetic metal lens cap LCF55-01M
・LENS HOOD LH576-02
・FRONT CAP LCF-55mm III
・REAR CAP LCR II
- Mount / Product Barcode
-
L-Mount:00-85126-26169-6
Sony E-mount:00-85126-26165-8
Technology
Others
Lens construction: 11 elements in 10 groups, with 5 SLD and 1 aspherical lens elements
Compatible with high-speed autofocus
Support DMF and AF+MF
Round-type lens hood (LH576-02)
Magnetic metal lens cap (LCF55-01M)
Compatible with SIGMA USB DOCK UD-11 (sold separately / for L-Mount only)
Designed to minimize flare and ghosting
Every single lens undergoes SIGMA’s proprietary MTF measuring system
9-blade rounded diaphragm
High-precision, durable brass bayonet mount
* L-Mount is a registered trademark of Leica Camera AG.
* This product is developed, manufactured and sold based on the specifications of E-mount which was disclosed by Sony Corporation under the license agreement with Sony Corporation.