| Optical specification | | | Lens construction | 12 elements in 9 groups | | Angle of view | 76° - 29° (with *istD, *istDS body) | | Minimum aperture | F22 at 18mm; F38 at 55mm | | Minimum focusing distance | 0.25m | | Maximum magnification | 0.34X | | Physical specification | | | Lens mount | PENTAX KAF mount | | Aperture control | Automatic | | Number of diaphragm blades | 6 | | Metering system | TTL open-aperture metering | | Filter size | 52mm | | Dimensions (diameter x length) | 68mm x 67.5mm | | Weight | 225g |
The SMC PENTAX-DA 18-55mm F3.5-5.6 is recommended for use with digital cameras. Ideal for general purpose usage, it provides a focal length covering a wide to moderate wide-angle range. Like all PENTAX lenses, the SMC PENTAX-DA 18-55mm F4-5.6 zoom lens is treated with PENTAX's acclaimed SMC coating for maximum light transmission, sharp definition, and high contrast while minimizing flare and ghost imaging.
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