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Optical design
| Format: APS-C (crop)
Type: Prime lens
Focusing: Auto Focus (AF)
Lens mounts: Micro 4/3, Micro 4/3, Sony E, Sony E
First year of production: 2012
Optical design: 7 elements in 5 groups
Features: Ultra-Sonic Motor | User reviews (0) Photos (1) Tests (0) Owners (3) Views (5662) Average price: $217 |
Specifications:
| Focal length | Max. aperture | Min. aperture | Blades | Min. Focus (m.) | Filter Ø (mm.) | Weight (gr/oz) | Length (mm/in) |
|---|
| 30mm | f/2.8 | f/22 | 7 | 0.3 | 46 | 130/4,6 | 39/1,5 |
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Additional information:
The Sigma 30 mm f/ 2.8 EX DN
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Length 38 mm
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Diameter 60.6 mm
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Angle 39.6° MFT (Sony E-mount 50.7°)
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Max. magnification 1:8.1
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Hood is not included
The Sigma 30mm F2.8 EX DNis a fast normal prime lens for Sony E and Micro 4/3 mirrorless cameras.
A large size of the lens can be explained by higher requirements for telecentrisity on the Foveon X3 sensor than that on the Bayer sensor. Rear lenses deflect rays so much that angle of incidence to the sensor approaches 90 °.
Vignetting
Distortion
Links to online resources:
PDF Files:
Posted by: Rainbow Date of publication: 31.03.2012
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Photos taken with this lens Sigma 30 mm f/ 2.8 EX DN:
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