About the PL filter window

If a circular polarizing filter is attached to the DA lens, you can easily turn the filter via the PL filter window on the bayonet-type hood.

Lens with hood with a PL filter window

- DA 14mm f/2.8ED [IF]		- DA 50-135mm f/2.8ED [IF] SDM
- DA 16-45mm f/4ED AL		- DA 50-200mm f/4-5.6ED
- DA 16-50mm f/2.8ED AL [IF] SDM		- DA 55-300mm f/4-5.8ED
- DA 17-70mm f/4 AL [IF] SDM		- DA 200mm f/2.8ED [IF] SDM
- DA 18-55mm f/3.5-5.6	AL ΙΙ	- DA 300mm f/4ED [IF] SDM
- DA 18-55mm f/3.5-5.6	AL

Pentax 21660, 21717, 21740, 21580, 21650, 21760, 21507 manual About the PL filter window