PENTAX 21910 smc PENTAX D FA MACRO 100mm f/2.8 WR Lens Black Type: Macro Lens Compatibility: Pentax Diameter: 49 mm Specifications: LENS MOUNT: PENTAX KAF2 FOCAL LENGTH: 100mm (equiv 153mm) APERTURE: F2.8 MIN APERTURE: F32 LENS CONSTRUCTION: 9 elements in 8 groups ANGLE OF VIEW: 16° (DSLR), 24.5° (film SLR) MIN FOCUSING DISTANCE: 0.99' (0.303m) MAX MAGNIFICATION: 1.00X DIAPHRAGM CONTROL: Fully Automatic NUMBER OF APERTURE BLADES: 8 MAX DIAMETER x MIN LENGTH: 2.6 x 3.2 (65.0 x 80.5mm) WEIGHT (W/O HOOD): 12 oz. (340g)
