In addition to the XQ1 lens camera module (the official announcement is tomorrow), Sony will also announce two new lenses at Photokina: a new Zeiss Vario-Tessar 16-35mm f/4.0 ZA OSS FE that will be priced at 1,350 EUR (US price will be lower) and will start shipping at the end of October. The second lens will be a 28-135mm f/4.0 OSS powerzoom that will cost 2,500 EUR and ship at the beginning of December:
Here are some more details on the QX1:
Via Xperiablog