Canon EF 200-400mm f/4L IS USM Extender 1.4x Specifications
35MM FILM EQUIVALENT FOCAL LENGTH (MM)
Angle of view (horzntl, vertl, diagnl)
10° - 5°10', 7° - 3°30', 12° - 6°10'
with extender 7° 20'- 3°40', 4° 55'- 2°25', 8° 50' - 4°25'
Lens construction (elements/groups)
25/20 (33/24 with extender)
No. of diaphragm blades
9
Minimum aperture
32(45 with extender)¹
Closest focussing distance (m)
2
Maximum magnification (x)
0.15 (0.21 with extender)
Distance Information
Provided
Image stabilizer
4-stops
AF actuator
Ring USM²
PHYSICAL SPECIFICATIONS
Dust/moisture resistance*
Yes
Filter diameter (mm)
52 drop in
Max. diameter x length (mm)
128x366
Weight (g)
3620
ACCESSORIES
Lens Cap
E-145C
Lens hood
ET-120 (WII)
Lens case/pouch
200-400
Magnification w/ Extension Tube EF12 II
0.20-0.03 (0.36- 0.02 with extender)
Magnification w/ Extension Tube EF25 II
0.26-0.07 (0.52- 0.05 with extender)
Extender Compatiblity
Compatible
Other Accessories
Lens wide strap B
SPECIFICATIONS WITH EF 1.4X III
Focal Length
280-560 (392-784 with built in extender)
Maximum Aperture
5.6-45¹ (8-64 with built in extender)
Maximum Magnification
0.21
AF Possible
Yes²
IS
Yes³
SPECIFICATIONS WITH EF 2X III
Focal Length
400-800 (560 -1120 with built in extender)
Maximum Aperture
8-64 (11 -91 with built in extender)
Maximum Magnification
0.31
AF Possible
Yes² (No with built in extender)
IS
Yes³
Disclaimer
*Lenses with dust/moisture resistance are fitted with a rubber ring on the lens mount which may cause slight abrasion of the camera mount. This in no way effects either the lens or camera performance.
Footnote
¹ Minimum aperture if using 1/3stop increments
² Full time Manual focus
² AF only possible with EOS-1 series Cameras and 5D Mark III with Firmware update
³ IS will not work with EOS film cameras with the exception of the EOS-1v when used with Mark III Extenders