Comparison of Pentax SMC DA 40mm ƒ/2.8 XS and Pentax Q 11.5mm f/9 07 Mount Shield Lens [S]ave
| Attribute |  Pentax SMC DA 40mm ƒ/2.8 XS × |  Pentax Q 11.5mm f/9 07 Mount Shield Lens × |
|---|---|---|
| APS Equivalent | 61mm | - |
| Focal Length (mm) | 40.00 | 11.50 |
| Lens Construction | 5 elements in 4 groups | 1 element |
| Diaphragm Blades | 9 | - |
| Type | Standard Prime | Body Cap Pancake Prime |
| Diameter (mm) | 62.9 | 40.8 |
| Magnification Ratio (x) | 0.13 | - |
| Name | Pentax SMC DA 40mm ƒ/2.8 XS | Pentax Q 11.5mm f/9 07 Mount Shield Lens |
| Notes | 27mm objective cap and rear cap included. | This lens is used for both snapshots and as a body cap. |
| Filter Size (mm) | 27 | - |
| Length (mm) | 9.2 | 6.9 |
| Diaphragm Blades Type | rounded | - |
| Diagonal Angle of View (degree) | 39.00 | - |
| Image Circle | APS-C | Image Circle |
| Closest Focus (m) | 0.4 | - |
| Brand | Pentax | Pentax |
| Front Element Rotation | - | - |
| Weight (g) | 51 | 8 |
| Focus Details | AF or MF | - |
| 35mm Equivalent | - | Q7: 53mm Q/Q10: 63.5mm |
| Aperture (f) | 2.80 - 22.00 | 9.00 |
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