Canon EF Lenses manual Extender EF 1.4x, Extender EF 2.5x

Extender EF 1.4x II

Lens Attachment	EF 135mm	EF 180mm	EF 200mm	EF 200mm	EF 300mm		EF 300mm	EF 400mm	EF400mm
	f/2L USM f/3.5L Macro USM		f/1.8L USM	f/2.8L II USM	f/2.8L IS USM		f/4L IS USM	f/2.8L IS USM	f/4.0L DO IS USM
Focal Length (mm)	189	252	280	280		420	420	560	560
f-stop (f)	2.5 ~ 45	4.5*4~ 45	2.5 ~ 32	2.5 ~ 32	4	~ 45	5.6 ~ 45	4 ~ 45	5.6 ~ 45
Max. Magnification (x)	0.27	1.40	0.12	0.22	0.15		0. 33	0.22	0.17
AF	K	K*10	K	K		K	K	K	K
Lens Attachment	EF 400mm	EF 500mm	EF 600mm	EF 1200mm	EF 70-200mm		EF70-200m	EF 70-200mm	EF100-400mm
	f/5.6L USM	f/4L IS USM	f/4L IS USM	f/5.6L USM	f/2.8L USM		F/2.8L IS USM	f/4L USM	f/4.5-5.6L IS USM
Focal Length (mm)	560	700	840	1,680	98	~ 280	98 ~ 280	98 ~ 280	140 ~ 560
f-stop (f)	8 ~ 45	5.6 ~ 64	5.6 ~ 64	8 ~ 45	4	~ 45	4 ~ 45	5.6 ~ 45	6.7 ~ 54*4
Max. Magnification (x)	0.18	0.17	0.17	0.12	0.22		0.24	0.31	0.28
AF	K*11	K	K	⋅		K*9	K	K	K*11*12

Extender EF 2.5x II

Lens Attachment		EF 135mm	EF 180mm	EF 200mm	EF 200mm	EF 300mm	EF 300mm	EF 400mm	EF400mm
		f/2L USM	f/3.5L Macro USM	f/1.8L USM	f/2.8L II USM	f/2.8L IS USM	f/4L IS USM	f/2.8L IS USM	f/4.0 L DO IS USM
Focal Length (mm)		270	360	400	400	600	600	800	800
f-stop (f)		4 ~ 64	6.7*4 ~ 64	3.5 ~ 45	5.6 ~ 64	5.6 ~ 64	8 ~ 64	5.6 ~ 64	8 ~ 64
Max. Magnification (x)		0.38	2.00	0.18	0.32	0.28	0.47	0.31	0.24
AF		K	⋅	K	K	K	K*11 *12	K	⋅
Lens Attachment		EF 400mm	EF 500mm	EF 600mm	EF 1200mm	EF 70-200mm	EF 70-200mm	EF 70-200mm	EF100-400mm
		f/5.6L USM	f/4L IS USM	f/4L IS USM	f/5.6L USM	f/2.8L IS USM	f/2.8 L IS USM	f/4L USM	f/4.5-5.6L IS USM
Focal Length (mm)		800	1,000	1,200	2,400	140 ~ 400	140 ~ 400	140 ~ 400	200 ~ 800
f-stop (f)		11 ~ 64	8 ~ 90	8 ~ 90	11 ~ 64	5.6 ~ 64	5.6 ~ 64	8 ~ 64	9.5 ~ 76
Max. Magnification (x)		0.18	0.25	0.24	0.18	0.33	0.33	0.45	0.41
AF		⋅	K*11*12	K*11*12	⋅	K*9	K	K*11	⋅*12
							( K = possible ⋅ = impossible)
*1.	Maximum number of Hood III / IV attachable. In the case of zoom lenses,
	the maximum number applies to the shortest focal length.
*2.	Mechanical full-time manual focusing built-in.
*3.	Micro motor.
*4.	Data based on EOS models with exposures displayed in 1/2 stop
	increments. It varies slightly with the EOS-1Ds, EOS-1D, EOS-1V, EOS-1N,
	EOS-1 and EOS-3.
*5.	With EF 50mm f/2.5 Compact Macro.
*6.	Extension Tube EF 12 can be used with EF lenses except the EF 14mm
	f/2.8L USM, 50mm f/1.0L USM, and lenses which cannot be focused
	manually.
*7.	Extension Tube EF 25 can be used with EF lenses except the EF 14mm

f/2.8L USM, 15mm f/2.8 Fisheye, 20mm f/2.8 USM, 24mm f/1.4L USM, 50mm f/1.0L USM, 17-35mm f/2.8L USM at the shorter focal lengths,

20-35mm f/3.5-4.5 USM at the shorter focal lengths, TS-E 45mm, and lenses which cannot be focused manually.

*8. Image circle dia. 58.6 mm.

*9. If the EF 70-200mm f/2.8L USM lens is attached to an EOS camera having multiple focusing points and an Extender is attached to the lens, only the center focusing point will be usable for AF.

*10. The autofocusing range is from 0.8m / 2.6ft to infinity.

*11. With the EOS-1Ds, EOS-1D, EOS-1V and EOS-3, AF is possible with the center focusing point.

*12. The Image Stabilizer does not operate with the following cameras:

EOS 650, 620, 630 / 600, RT, 700, 750, 850, EOS-1, A2/A2E, 10s, Elan, Rebel / Rebel S, Rebel II / Rebel SII.

NC : Not compatible with Gelatin Filter Holder III / IV.

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