Expanded Specifications Pentax SMC P-D FA 50mm f/2.8 macro Lens
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| Focal Length | 50mm Equivalent to 76.5mm in 35mm format (when attached to PENTAX APS-C size DSLR cameras) |
| Lens Mount | PENTAX KAF mount |
| Model No. | 21530 |
| Lens Construction [Elements/Groups] | 8 elements in 7 groups (two aspherical lens) |
| Angle of View | 31.5º (47 degrees with film SLR) |
| Min. Aperture (f) | F32 |
| Min. Focusing Distance | 0.195 m |
| Max. Magnification | 1X |
| Filter Size | 49mm |
| Diameter & Length (mm) | 67mm x 60mm |
| Weight (g) | 265g |
