Comparison of Leica 50mm f/2 APO-Summicron-M Asph. and Nikon 50mm f/1.2 AIS Nikkor [S]ave
| Attribute |  Nikon 50mm f/1.2 AIS Nikkor × |  Leica 50mm f/2 APO-Summicron-M Asph. × |
|---|---|---|
| Aperture (f) | 1.20 - 16.00 | 2.00 - 16.00 |
| Filter Size (mm) | 52 | 39 |
| Notes | Classic Nikon F Mount; AIS / AI / NAI Metering Compatibility; Includes front and rear lens caps. | Leica M-mount with 6-bit ID bar code; Built-in extendable lens hood. |
| Closest Focus (m) | 0.5 | 0.7 |
| Magnification Ratio (x) | 0.13 | 0.09 |
| Type | Standard Prime | Standard Prime |
| Focus Details | Manual Focus Only | Manual focus only |
| APS Equivalent | 75mm | 1.33x (M8): 66.5mm |
| Diaphragm Blades | 9 | 11 |
| Image Circle | 35mm (FX) | 35mm |
| Focal Length (mm) | 50.00 | 50.00 |
| Brand | Nikon | Leica |
| Name | Nikon 50mm f/1.2 AIS Nikkor | Leica 50mm f/2 APO-Summicron-M Asph. |
| Weight (g) | 359 | 300 |
| Diagonal Angle of View (degree) | 46.00 | 47.00 |
| Length (mm) | 48.3 | 47 |
| Diameter (mm) | 68.6 | 53 |
| Lens Construction | 7 elements in 6 groups | 8 elements in 5 groups |
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