Comparison of Olympus 45mm ƒ/1.8 M.Zuiko Digital ED and Pentax SMC DA 70mm f/2.4 Limited [S]ave
| Attribute |  Pentax SMC DA 70mm f/2.4 Limited × |  Olympus 45mm ƒ/1.8 M.Zuiko Digital ED × |
|---|---|---|
| Diaphragm Blades Type | - | circular |
| Notes | - | Included Accessories: Lens Cap( LC-37B), Lens Rear Cap (LR-2), Decoration Ring (DR-40) |
| Aperture (f) | 2.40 - 22.00 | 1.80 - 22.00 |
| Magnification Ratio (x) | 0.12 | 0.11 |
| Filter Size (mm) | 49 | 37 |
| APS Equivalent | 107mm | - |
| Closest Focus (m) | 0.7 | 0.5 |
| Focal Length (mm) | 70.00 | 45.00 |
| Diaphragm Blades | 9 | 7 |
| Brand | Pentax | Olympus |
| Image Circle | APS-C | Image Circle |
| Name | Pentax SMC DA 70mm f/2.4 Limited | Olympus 45mm ƒ/1.8 M.Zuiko Digital ED |
| Weight (g) | 130 | 116 |
| Type | Telephoto Prime | Telephoto Prime |
| Diagonal Angle of View (degree) | 23.00 | 27.00 |
| Lens Construction | 6 elements in 5 groups | 9 Elements in 8 Groups; 2 E-HR lenses |
| Diameter (mm) | 63 | 56 |
| Length (mm) | 26 | 46 |
| Focus Details | Quick-Shift Focus System | - |
| 35mm Equivalent | - | 90mm |
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