Full frame / 1.00x
Focals
zoom
14-35 mm.
14-35 mm.
2.50x
No
Yes
Aperture
f/4
f/4
9
No
with a paid service
Yes
Focus
Yes
Yes
Indirect
No
20 cm.
0.38x (35mm. equiv)
Build
Yes
16/12
3 aspherical, 3 ultra low dispersion of which 1 also aspherical
77 mm.
Yes
Yes