Pre-Photokina 2008: Pentax has announced the smc PENTAX DA 15mm F4 ED AL Limited* ultra wide angle lens and smc Pentax-DA 1.4X Rear Converter SDM* teleconverter. The lens is the fifth model of the DA limited series and sports an aluminium body. The telecomveter is the first of its kind to work with autofocus mode in Pentax DSLR’s and features the SDM mechanism for quieter and smoother focusing. Both the lens and converter are currently under development, we will update the news as soon as we hear more form Pentax.