My Pentax-K lens collection

Here is the video from Snappiness that inspired this one:
• Now with more nifty fi...
Also, these lenses have their own videos:
DA 21/3.2: • Pentax-DA 21mm f3.2 Li...
K 30/2.8: • Quick Review - Pentax ...
FA 35/2: • Pentax FA 35mm f2 lens...
M 40/2.8 compared to the Hexanon 40mm/1.8: • Two 40mm lenses - Pent...