The patent for the Pentax HD FA 50mm f/1.4 SDM AW lens was filed in Japan by Ricoh – see patent application 2019-139158. It has been widely reported that the new Pentax 50mm f/1.4 lens was designed by Tokina and it is a copy of the Tokina Opera 50mm f/1.4 FF lens:
The Irix 11mm f/4 Blackstone lens for Pentax K-mount is now $175 off only at Adorama. Additional information on the Irix 11mm f/4 lens, including press release, MTF charts and specifications can be found here and here. Irix lenses are sold also at Amazon US, Amazon UK, Amazon DE, Amazon FR, Amazon IT and Amazon CA.
There is a new Kickstarter for a Pinhole Pro X 18-36mm pinhole zoom lens for Pentax K-mount:
HD Pentax-DA Fisheye 10-17mm f/3.5-4.5 ED lens additional information:
The new HD Pentax-DA Fisheye 10-17mm f/3.5-4.5 ED lens is now available for pre-order: Adorama B&H Photo Amazon Park Camera WEX
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