Expanded Specifications Pentax FA 15-30mm f2.8 HD ED SDM WR lens
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| Lens Mount | PENTAX KAF3 mount |
| Model No. | 21280 |
| Focal Length | 15-30mm (in 35mm format) 23-46mm (w/ PENTAX APS-C D-SLR) |
| Notes | HD coating SP coating Weather-Resistant Construction SDM (Supersonic Direct-Drive Motor) Quick-shift Focus System |
| Angle of View | 111° – 72° (w/ PENTAX 35mm SLR) 86° – 50° (w/PENTAX APS-C D-SLR) |
| Lens Construction(group/elements) | 18 elements in 13 groups |
| Min. Aperture (f) | f/22 |
| Min. Focusing Distance | 0.28m |
| Max. Magnification | 0.23X |
| Filter Size | N/A |
| Diameter & Length (mm) | 98.5mm x 143.5mm (3.88 x 5.65 inches) |
| Weight (g) | 1040g (2lbs 4oz) |
| Diaphragm control | Fully Automatic |
| Number of aperture blades | 9 (Rounded Aperture: W 15mm: F2.8 – 4 T 30mm: F2.8-5.6) |
