Comparison of Canon EF 40mm ƒ/2.8 STM and Sony 35mm ƒ/2.8 ZA Carl Zeiss Sonnar T* SEL35F28Z [S]ave
| Attribute |  Canon EF 40mm ƒ/2.8 STM × |  Sony 35mm ƒ/2.8 ZA Carl Zeiss Sonnar T* SEL35F28Z × |
|---|---|---|
| Filter Size (mm) | 52 | 49 |
| Notes | Optional lens hood: ES-52 | Included Accessories: ALC-SH129 Lens Hood |
| Closest Focus (m) | 0.3 | 0.35 |
| Magnification Ratio (x) | 0.18 | 0.12 |
| Type | Wide Prime ("Pancake") | Wide Prime |
| Length (mm) | 22.8 | 36.5 |
| APS Equivalent | 64mm | 52.5mm |
| Diagonal Angle of View (degree) | 57.00 | 63.00 |
| Image Circle | 35mm | 35mm (Full-frame E-Mount) |
| Focal Length (mm) | 40.00 | 35.00 |
| Brand | Canon | Sony |
| Name | Canon EF 40mm ƒ/2.8 STM | Sony 35mm ƒ/2.8 ZA Carl Zeiss Sonnar T* SEL35F28Z |
| Weight (g) | 130 | 120 |
| Aperture (f) | 2.80 - 22.00 | 2.80 - 22.00 |
| Diaphragm Blades | 7 | 7 |
| Diaphragm Blades Type | circular | rounded |
| Lens Construction | 6 elements in 4 groups, including 1 aspherical element | 7 elements in 5 groups with 3 apheric elements |
| Diameter (mm) | 68.2 | 61.5 |
| Focus Details | AF/MF with STM (Stepping Motor Technology) | Linear motor |
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