Hi All Im new to this Forum and have recently bought a new K5 camera and have just bought a Focal mc 135 lens - great looking lens and fits perfact but it wont work !? all I get is a flashing F -- and it wont do anything -I have been using an old 300 mm lens which works fine - can anyone help me ? I need to use cheep lenses until I can save the cash for good ones
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Pentax K Mount 135mm f2.8 Manual Focus Focal MC lens
Last edited by Parallax; 07-31-2013 at 02:04 PM.