Olympus Japan released lens manuals for the newly announced M.Zuiko Digital ED 7-14mm F2.8 ultra-wide zoom and M.Zuiko Digital ED 8mm Fisheye f:1.8 PRO lenses.
You can download the PDF files. Olympus 7-14mm F2.8 lens manual here and 8mm Fisheye f/1.8 PRO manual here.
The Olympus M.Zuiko Digital ED 8mm Fisheye f:1.8 PRO is the World’s first fisheye lens with a maximum aperture of f/1.8. The optical construction features 17 lens elements in 15 groups to diminish peripheral chromatic and comatic aberration (including 1 aspherical, 3 Super ED, 2 ED, 1 Super HR and 2 HR elements).
The Olympus M.Zuiko Digital ED 7-14mm 1:2.8 PRO is a new professional-grade ultra-wide zoom lens weighs just over half as much as equivalent f:2.8 aperture rivals, and features 14 elements in 11 groups.