Irix has a new 15% off savings on their 11mm & 15mm Blackstone lenses for Pentax K-mount until February 10th:
Update: in Europe only some stores are offering the 15% discount (with free shipping):
- Photo24.co.uk (UK, but ships to EU)
- Photo24.fr (France)
- Foto24.com (Spain)
Via NikonRumors