Comparison of Pentax 18-50mm f/4-5.6 DC WR RE HD DA and Sony E 18-55mm ƒ/3.5-5.6 OSS SEL1855 [S]ave
| Attribute |  Pentax 18-50mm f/4-5.6 DC WR RE HD DA × |  Sony E 18-55mm ƒ/3.5-5.6 OSS SEL1855 × |
|---|---|---|
| Aperture (f) | 4.00 - 32.00 | 3.50 - 32.00 |
| Filter Size (mm) | 58 | 49 |
| Notes | Weather resistant; Included Accessories: Lens hood; case optional | Sony E-Mount; Optical SteadyShot; Included Accessories: Petal-type Lens Hood |
| Closest Focus (m) | 0.3 | 0.25 |
| Magnification Ratio (x) | 0.23 | 0.3 |
| Zoom System | Rotary | Rotary |
| Type | Standard Zoom | Standard Zoom |
| APS Equivalent | 27 - 75mm | 27 - 82.5mm |
| Diaphragm Blades | 7 | 7 |
| Image Circle | APS-C | APS-C (Sony E-Mount) |
| Focal Length (mm) | 18.00 - 50.00 | 18.00 - 55.00 |
| Brand | Pentax | Sony |
| Name | Pentax 18-50mm f/4-5.6 DC WR RE HD DA | Sony E 18-55mm ƒ/3.5-5.6 OSS SEL1855 |
| Weight (g) | 165 | 194 |
| Diaphragm Blades Type | rounded | circular |
| Lens Construction | 11 elements in 8 groups, including super-low dispersion glass elements and aspherical elements; SP (Super Protect) Coating, HD PENTAX Coating | 11 elements in 9 groups, including 4 aspheric surfaces |
| Diagonal Angle of View (degree) | 31.50 - 76.00 | 29.00 - 76.00 |
| Length (mm) | 41 | 60 |
| Diameter (mm) | 71 | 62 |
| Focus Details | Internal with DC motor, "Quick Shift" AF/MF mechanism | AF/MF; Stepping Motor; Silent AF operation for video capture |
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