The patent for the Pentax HD FA 50mm f/1.4 SDM AW lens was filed by Ricoh


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 Pentax HD FA 50mm f/1.4 SDM AW lens is now $200 off at Adorama, B&H Photo and Amazon.

Via PentaxRumors

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