Comparison of Nikon 50mm ƒ/1.8D AF Nikkor and Pentax SMC P-FA 43mm ƒ/1.9 Limited [S]ave
| Attribute |  Nikon 50mm ƒ/1.8D AF Nikkor × |  Pentax SMC P-FA 43mm ƒ/1.9 Limited × |
|---|---|---|
| Diameter (mm) | 64 | 64 |
| Aperture (f) | 1.80 - 22.00 | 1.90 - 22.00 |
| Diagonal Angle of View (degree) | 46.00 | 53.00 |
| Magnification Ratio (x) | 0.15 | 0.12 |
| Filter Size (mm) | 52 | 49 |
| Type | Standard Prime | Standard Prime |
| Closest Focus (m) | 0.46 | 0.45 |
| APS Equivalent | 75mm | 64.5mm |
| Diaphragm Blades | 7 | 8 |
| Image Circle | 35mm | 35mm |
| Focal Length (mm) | 50.00 | 43.00 |
| Brand | Nikon | Pentax |
| Name | Nikon 50mm ƒ/1.8D AF Nikkor | Pentax SMC P-FA 43mm ƒ/1.9 Limited |
| Weight (g) | 156 | 155 |
| Focus Details | - | Dedicated AF/MF |
| Length (mm) | 39 | 27 |
| Notes | - | Distance scale, Aperture ring, IR index. Included accessories: lens hood, soft case. Available in silver or black. |
| Lens Construction | 6 Elements in 5 groups | 7 elements in 6 groups |
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