Comparison of Sigma 30mm ƒ/1.4 DC HSM Art and Sony 50mm f/1.4 ZA SSM Carl Zeiss Planar T* [S]ave
| Attribute |  Sony 50mm f/1.4 ZA SSM Carl Zeiss Planar T* × |  Sigma 30mm ƒ/1.4 DC HSM Art × |
|---|---|---|
| Filter Size (mm) | 72 | 62 |
| Notes | For Sony A-mount. Included Accessories: Front and rear lens caps, ALC-SH126 lens hood. | Available AF mounts: Sigma, Canon, Nikon. Included Accessories: case, petal type lens hood (LH686-01). |
| Closest Focus (m) | 0.45 | 0.3 |
| Magnification Ratio (x) | 0.14 | 0.15 |
| Type | Standard Prime | Standard Prime |
| Length (mm) | 71.5 | 63.3 |
| APS Equivalent | 75mm | 1.5x: 45mm; 1.6x: 48mm |
| Diagonal Angle of View (degree) | 47.00 | 50.70 |
| Image Circle | 35mm | Image Circle |
| Focal Length (mm) | 50.00 | 30.00 |
| Brand | Sony | Sigma |
| Name | Sony 50mm f/1.4 ZA SSM Carl Zeiss Planar T* | Sigma 30mm ƒ/1.4 DC HSM Art |
| Weight (g) | 518 | 435 |
| Aperture (f) | 1.40 - 22.00 | 1.40 - 16.00 |
| Diaphragm Blades | 9 | 9 |
| Diaphragm Blades Type | circular | rounded |
| Lens Construction | 8 elements in 5 groups, with 2 aspherical elements | 9 elements in 8 groups, including 1 aspherical element, Super Multi-Layer Coating |
| Diameter (mm) | 81 | 74.2 |
| Focus Details | Rear-focus, with SSM (Super Sonic wave Motor); Direct Manual Focus; Focus Hold Button | Rear focusing system with HSM (Hyper Sonic Motor) |
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