Hi Bruce, how good is your Sigma 55-200/3.5-5.6 DC? It is quite cheap - is it worth the money? I need some lightweight telezoom only for *ist D,
Regards Peter Belak > Right now, my lightweight kit is the *istD (sans grip), DA 16-45 and > Sigma 55-200/3.5-5.6 DC. I would love to have a constant f4 zoom with > about the same optical quality as the DA 16-45.

