Comparison of Nikon 50mm ƒ/1.8D AF Nikkor and Pentax 50mm ƒ/1.8 SMC DA [S]ave
| Attribute |  Nikon 50mm ƒ/1.8D AF Nikkor × |  Pentax 50mm ƒ/1.8 SMC DA × |
|---|---|---|
| Diameter (mm) | 64 | 63 |
| Aperture (f) | 1.80 - 22.00 | 1.80 - 22.00 |
| Diagonal Angle of View (degree) | 46.00 | 31.50 |
| Magnification Ratio (x) | 0.15 | 0.15 |
| Filter Size (mm) | 52 | 52 |
| Type | Standard Prime | Tele Prime |
| Closest Focus (m) | 0.46 | 0.45 |
| APS Equivalent | 75mm | 76.5mm |
| Diaphragm Blades | 7 | 7 |
| Image Circle | 35mm | APS-C |
| Focal Length (mm) | 50.00 | 50.00 |
| Brand | Nikon | Pentax |
| Name | Nikon 50mm ƒ/1.8D AF Nikkor | Pentax 50mm ƒ/1.8 SMC DA |
| Weight (g) | 156 | 122 |
| Focus Details | - | Quick-shift Focus System for instant switching from auto to manual focus |
| Length (mm) | 39 | 38.5 |
| Diaphragm Blades Type | - | rounded |
| Lens Construction | 6 Elements in 5 groups | 6 elements in 5 groups; Front surface has SP (Super Protect) coating |
Help · Contact us · Disclaimer · Contributors · Developers · Donate