Expanded Specifications Pentax 150-450mm f4.5-5.6 ED DC AW D-FA HD Lens
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| Lens Mount | PENTAX KAF3 mount |
| Model No. | 21340 |
| Focal Length | 150-450mm (equiv. 230-690mm) |
| Notes | HD coating Super Protect (SP) coating All Weather Construction Quick-shift Focus System |
| Angle of View | 16.5°-5.5° (w/PENTAX DSLR) |
| Lens Construction(group/elements) | 18 elements in 14 groups |
| Min. Aperture (f) | F22-27 |
| Min. Focusing Distance | 2.0m |
| Max. Magnification | 0.22X |
| Filter Size | 86mm |
| Diameter & Length (mm) | 95.0mm x 241.5mm (3.74 x 9.51 inches) |
| Weight (g) | 2000g w/o hood (4lbs 6oz) 2325g w/hood (5lbs 2 oz) |
| Diaphragm control | Fully Automatic |
| Number of aperture blades | 9 (rounded 150mm f/4.5-8, 450mm f/5.6-8) |
