Comparison of Nikon 28-100mm f/3.5-5.6G AF Nikkor and Pentax SMC P-FA 28-105mm f/3.2-4.5 AL IF [S]ave
| Attribute |  Nikon 28-100mm f/3.5-5.6G AF Nikkor × |  Pentax SMC P-FA 28-105mm f/3.2-4.5 AL IF × |
|---|---|---|
| Diagonal Angle of View (degree) | 24.30 - 74.00 | 23.50 - 75.00 |
| Filter Size (mm) | 62 | 58 |
| Aperture (f) | 3.50 - 22.00 | 3.20 - 32.00 |
| Closest Focus (m) | 0.56 | 0.5 |
| Magnification Ratio (x) | 0.21 | 0.19 |
| Focus Details | - | Internal |
| Type | Standard Zoom | Standard Zoom |
| APS Equivalent | 42 - 150mm | 42 - 157.5mm |
| Diaphragm Blades | 7 | - |
| Image Circle | 35mm | 35mm |
| Focal Length (mm) | 28.00 - 100.00 | 28.00 - 105.00 |
| Brand | Nikon | Pentax |
| Name | Nikon 28-100mm f/3.5-5.6G AF Nikkor | Pentax SMC P-FA 28-105mm f/3.2-4.5 AL IF |
| Weight (g) | 244 | 255 |
| Zoom System | Rotary | Rotary |
| Length (mm) | 79 | 66 |
| Diameter (mm) | 69 | 66 |
| Front Element Rotation | - | - |
| Notes | - | Also available in Silver |
| Lens Construction | 8 elements in 6 groups, including 1 aspherical element | 12 elements in 11 groups |
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