Tamron filed a patent in Japan for a SP 85mm f/1.4 Di VC USD full frame DSLR lens. Few months ago Tamron announced SP 35mm and 45mm f/1.8 Di VC USD lenses for Nikon F mount and it seems that the 85mm f/1.4 will be next prime in this lineup. The details from the patent application:
Via Egami
