Comparison of Canon EF 28mm f/1.8 USM and Nikon 18mm f/2.8D AF Nikkor [S]ave
| Attribute |  Nikon 18mm f/2.8D AF Nikkor × |  Canon EF 28mm f/1.8 USM × |
|---|---|---|
| Diagonal Angle of View (degree) | 100.00 | 75.00 |
| Filter Size (mm) | 77 | 58 |
| Aperture (f) | 2.80 - 22.00 | 1.80 - 22.00 |
| Closest Focus (m) | 0.25 | 0.25 |
| Magnification Ratio (x) | 0.11 | 0.18 |
| Type | Wide Prime | Wide Prime |
| Focus Details | Rear Focusing | Inner focusing; full-time manual focus and USM |
| APS Equivalent | 27mm | 45mm |
| Diaphragm Blades | 7 | 7 |
| Image Circle | 35mm | 35mm |
| Focal Length (mm) | 18.00 | 28.00 |
| Brand | Nikon | Canon |
| Name | Nikon 18mm f/2.8D AF Nikkor | Canon EF 28mm f/1.8 USM |
| Weight (g) | 385 | 310 |
| Diameter (mm) | 82 | 74 |
| Length (mm) | 58 | 56 |
| Notes | Included Accessories: Hard Case CL-47 | - |
| Lens Construction | 13 elements in 10 groups, including 1 aspherical element | 10 elements in 9 groups, including 1 aspherical element |
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