Canon 180mm f3.5L EF Macro USM - Description:
The Canon 180mm f3.5 is another telephoto macro lens with a maximum magnification of 1x. Life-size close-ups can be taken from a farther distance without disturbing the subject (insects, etc.). The internal floating system in the 180mm f3.5 L lens in Canon lenses minimizes fluctuations in aberrations caused by changes in the focusing distance. Optical performance in Canon macro 180mm lens is outstanding from 1x to infinity.

Canon 180mm f3.5L EF Macro USM - Features:
High-performance, high image quality 1x macro telephoto lens.
High-quality close-up throughout the focusing distance range (1.57ft. to infinity).
Three UD Glass elements and floating construction correct residual chromatic aberrations for improved image quality.
Advanced USM for high-speed, quiet AF.
Full-time mechanical manual focusing.
Compatible with EF Extender 1.4x and 2x. (manual focus only with Extender 2x).

Specifications

Construction : 12 groups /14 elements
Angle of view : 13° 30'
F stop range : 3.5-32
Closest Focusing Distance 0.48m / 1.6 ft.
Maximum Magnification 1:1
Filter Size 72mm
Dimensions (Length x Diameter) 7.3" x 3.2" / 186.6 x 82.5mm
Weight without packages : 2.4 lbs./ 1,090g

Canon 180mm f3.5L EF Macro USM - Item Includes:
Accessories included

Canon 180mm macro lens instruction manual,
Canon 180mm F3.5 macro lens hood,
Canon 180mm lens box,
Canon Rear and front caps,