CANON EF 16-35MM F/2.8L III USM LENS

-High performance L-series ultra-wide-angle zoom lens
with constant f/2.8 maximum aperture.
-All-new optical design for
significant improvements
in outer and corner sharpness.
-Sub wave length Coating (SWC)
and Air Sphere Coating (ASC)
help to significantly reduce
flare and ghosting.
-Highly resistant to dust and
water intrusion, enabling
shooting even in harsh conditions.
-Circular aperture (9 blades)
helps deliver beautiful,soft
backgrounds. Not an Extender Compatiblity.
Magnification with Extension Tube EF12 II- 0.65 at
Tele (Not compatible at Wide). Magnification with
Extension Tube EF25 II- 1.14 at Tele (Not compatible
at Wide).Lens Construction:16 elements in 12 groups.
Filter Size: 82 millimeter, P=0.75 millimeter/1 filter