Comparison of Nikon 85mm ƒ/1.8G AF-S Nikkor and Sigma 56mm f/1.4 DC DN Contemporary [S]ave
| Attribute |  Nikon 85mm ƒ/1.8G AF-S Nikkor × |  Sigma 56mm f/1.4 DC DN Contemporary × |
|---|---|---|
| Filter Size (mm) | 67 | 55 |
| Notes | Nikon Super Integrated Coating (SIC) | Available AF Mounts: Canon EF-M, Micro Four Thirds, Sony E-mount; Compatible with Sigma's Mount Conversion Service |
| Closest Focus (m) | 0.8 | 0.5 |
| Magnification Ratio (x) | 0.12 | 0.14 |
| Type | Prime | Telephoto Prime |
| Length (mm) | 73 | 59.5 |
| APS Equivalent | 127mm | 1.5x: 84mm; 2.0x: 112mm |
| Diagonal Angle of View (degree) | 28.50 | 28.50 |
| Image Circle | 35mm | APS-C |
| Focal Length (mm) | 85.00 | 56.00 |
| Brand | Nikon | Sigma |
| Name | Nikon 85mm ƒ/1.8G AF-S Nikkor | Sigma 56mm f/1.4 DC DN Contemporary |
| Weight (g) | 350 | 280 |
| Aperture (f) | 1.80 - 16.00 | 1.40 - 16.00 |
| Diaphragm Blades | 7 | 9 |
| Diaphragm Blades Type | rounded | rounded |
| Lens Construction | 9 elements in 9 groups | 10 elements in 6 groups, including 1 SLD and 2 asperical elements |
| Diameter (mm) | 80 | 66.5 |
| Focus Details | AF-S with Silent Wave Motor (SWM) and internal focusing; MA/A focus mode switch | Smooth and quiet AF with stepper motor |
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