Read abt the upcoming fisheye zoom in another forum.
Its listed in the new DA manual. Comparing the old and new fe zooms,
Fisheye Lens 17-28mm 10-17mm
Optical Formula 9 elements in 7 groups 10 in 8 groups
Aperture Range f/3.5 (4.5) ~ f/22 (32) same
Angle of View 180 - 90 degrees 180-100 degrees
Minimum Focus 0.45 m 0.14m
Max Magnification 0.07 X 0.39 X
Front-Filter Thread no no
Maximum Diameter 65 mm 68mm
Length 61 mm 71.5mm
Weight 255 g 320g
Its listed in the new DA manual. Comparing the old and new fe zooms,
Fisheye Lens 17-28mm 10-17mm
Optical Formula 9 elements in 7 groups 10 in 8 groups
Aperture Range f/3.5 (4.5) ~ f/22 (32) same
Angle of View 180 - 90 degrees 180-100 degrees
Minimum Focus 0.45 m 0.14m
Max Magnification 0.07 X 0.39 X
Front-Filter Thread no no
Maximum Diameter 65 mm 68mm
Length 61 mm 71.5mm
Weight 255 g 320g