HD Pentax D FA 150-450mm f/4.5-5.6 DC AW lens: now $812 off
Another big lens price drop (part of the current instant savings): the HD Pentax D FA 150-450mm f/4.5-5.6 DC AW lens is currently $812.63 off with free expedited shipping.
The full list of Pentax lenses with instant savings can be found here.