Ricoh officially announced the previously rumored HD PENTAX-D FA 21mm f/2.4 ED Limited DC WR lens for Pentax K-mount. Pre-orders in the US should be open soon at B&H and Adorama. In the EU the new lens will be priced at €1,499. Shipping will start in November 2021. Additional information can be found at PentaxRumors:
HD PENTAX-D FA 21mm f/2.4 ED Limited DC WR lens officially announced