Do you know if the offer for the 300mm is still on as it is showing £895 on the web page

Have the converter already ,
Davidstorm: Thank you for the advice looks like it is the 300 then on the sale of the 150-500

Looking to purcase the Pentax 300 mm lens could anybody advise me as this is a good lens for wild life photogragphy (birds) I do have the sigma 150-500mm lens but for some reason we do not get on any help or advice would but most greatfully excepted
Thanks Couls

Thank you all for your comments and from all that I take it, "it is a No for now" and see what the future brings and a "yes for the lens" read all the comments and am slightly more confused than before but will get my head around one way another, Please to see it brought a number of debaited subject's again thank you all for taking the time to reply and enjoy your hols N.Mc

Thanks for the info will go ahead and purchase unless any of you know a better lens

Sigma AF 120-400mm F/4.5-5.6 APO DG HSM OS

Have a k-r and the k5-lls are either of them full frame. I am looking to purchase a lens and it says that camera requires full frame ANY HELP Please

Have a k-5lls and would like to know if the firmware is up to date, and if the k-5 up date would be the same as the k-5lls