This is the new HD Pentax-D FA 645 35mm f/3.5 AL IF lens

The first picture and specifications of the upcoming HD Pentax-D FA 645 35mm f/3.5 AL IF lens are now available online:

New lens design with high-performance aspherical lens, optimized for digital
Lens design: 10 elements in 7 groups
35mm equivalent: 27.5mm equivalent (645d/z), 21.5mm equivalent (film 645)
High refraction and low dispersion glass, hybrid aspheric lens, high-performance glass mold aspherical lens, HD coating
Minimum focusing distance: 0.3m
Maximum magnification: 0.25x
The diaphragm blades: 9 circular diaphragm blades
Inner focus
Image circle covers the 645 film SLR
SP coating on the front of the lens
Filter size: 82mm
Equipped with a window for PL filter on the hood
Maximum diameter: 88mm
Total length: 90mm
Weight: 570 grams (610 grams inclusive hood)
Suggested retail price in Japan: ¥270,000 (tax included)
Release date: December 4. 2015
Official announcement on November 12, 2015