Saw a thread at Pentaxforum in regards to this rumoured lens.
Not sure how true is the rumour or news of it in this link below.
http://digicame-info.com/2013/11/hd-pentax-da-20-40mm-f28-4-ed-1.html
But a new HD PENTAX-DA 20-40mm F2.8-4 ED Limited DC WR look interesting.
Pictures of it:
Not sure how true is the rumour or news of it in this link below.
http://digicame-info.com/2013/11/hd-pentax-da-20-40mm-f28-4-ed-1.html
But a new HD PENTAX-DA 20-40mm F2.8-4 ED Limited DC WR look interesting.
Pictures of it: