Descriptions:
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 minimizes fluctuations in
aberrations caused by changes in the focusing distance. Optical performance
is outstanding from 1x to infinity.
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:
Focal Length & Maximum Aperture: 180mm 1:3.5
Lens Construction: 14 elements in 12 groups
Diagonal Angle of View: 13¦ 30'
Focus Adjustment; Inner focusing system with USM
Closest Focusing Distance: 0.48m / 1.6 ft.
Filter Size: 72mm
Max. Diameter x Length, Weight: 3.2" x 7.3", 2.4 lbs. / 82.5 x 186.6mm, 1090g
Mfr.# 2539A007
