Nokia Launches Three New Camera Phones  HELSINKI (Reuters) - The world's largest mobile phone maker  Nokia &lt;A HREF="http://www.reuters.co.uk/financeQuoteLookup.jhtml?ticker=NOK1V.HE qtype=sym infotype=info qcat=news"&gt;NOK1V.HE&lt;/A&gt; launched on Thursday three new handsets, the  7260, 7270 and 7280 models, all with cameras.