The SMC PENTAX-DA 18-55 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.