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Lens groups and their Auto Focus capabilities on the EOS 1Dx Mark III.
Article ID: ART176391 |
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Date published: 02/03/2020 |
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Date last updated: 03/20/2020 |
Description
Lenses are divided into a number of groups with different AF capabilities. Contained within is a list of those capailities and the group that each lens belongs to.
Solution
Compatible Lenses and Autofocusing (Viewfinder Shooting)
Compatible Lenses and Autofocusing (Viewfinder Shooting)
Caution
- Although the camera has 191 AF points, lenses are classified into 10 groups (A–J) which vary in the number of AF points available, AF point patterns, Area AF frame shapes, and other details.
- When lenses in groups F–J are used, fewer AF points are available.
- See Group Classification of Lenses for lenses you will use.
Group E
Autofocusing with 191 points is possible. All the AF area selection modes are selectable.
With an extender attached to extendable lenses, AF is available when maximum aperture is f/8 (in a range of f/5.6–f/8).
- : Cross-type AF point. Offers excellent subject tracking and high-precision focusing.
- : AF points sensitive to horizontal lines.
Caution
- If the maximum aperture value is slower than f/5.6 (greater than f/5.6 but not exceeding f/8), focus may not be achieved with AF when shooting low-contrast or low-light subjects.
- If the maximum aperture value is slower than f/8 (greater than f/8), AF is not possible during viewfinder shooting.
Caution
- Expand AF area: applies to the 23 available AF points. Expansion for manually selected AF points that are not surrounded by active AF points is limited to any available adjacent points.
- If the maximum aperture value is slower than f/5.6 (greater than f/5.6 but not exceeding f/8), focus may not be achieved with AF when shooting low-contrast or low-light subjects.
- If the maximum aperture value is slower than f/8 (greater than f/8), AF is not possible during viewfinder shooting.
Caution
- AF point expansion (manual selection ) applies to the 15 available AF points. Expansion for manually selected AF points that are not surrounded by active AF points is limited to any available adjacent points.
- If the maximum aperture value is slower than f/5.6 (greater than f/5.6 but not exceeding f/8), focus may not be achieved with AF when shooting low-contrast or low-light subjects.
- If the maximum aperture value is slower than f/8 (greater than f/8), AF is not possible during viewfinder shooting.
Group Classification of Lenses
EF 14mm f/2.8 L USM |
A |
EF 14mm f/2.8 L II USM |
A |
EF 15mm f/2.8 Fisheye |
A |
EF 20mm f/2.8 USM |
A |
EF 24mm f/1.4 L USM |
A |
EF 24mm f/1.4 L II USM |
A |
EF 24mm f/2.8 |
A |
EF 24mm f/2.8 IS USM |
A |
EF 28mm f/1.8 USM |
A |
EF 28mm f/2.8 |
C |
EF 28mm f/2.8 IS USM |
A |
EF 35mm f/1.4 L USM |
A |
EF 35mm f/1.4 L II USM |
A |
EF 35mm f/2 |
A |
EF 35mm f/2 IS USM |
A |
EF 40mm f/2.8 STM |
C |
EF 50mm f/1.0 L USM |
A |
EF 50mm f/1.2 L USM |
A |
EF 50mm f/1.4 USM |
A |
EF 50mm f/1.8 |
A |
EF 50mm f/1.8 II |
A |
EF 50mm f/1.8 STM |
A |
EF 50mm f/2.5 Compact Macro |
B |
EF 50mm f/2.5 Compact Macro + LIFE SIZE Converter EF |
E |
EF 85mm f/1.2 L USM |
A |
EF 85mm f/1.2 L II USM |
A |
EF 85mm f/1.4 L IS USM |
A |
EF 85mm f/1.8 USM |
A |
EF 100mm f/2 USM |
A |
EF 100mm f/2.8 Macro |
B |
EF 100mm f/2.8 Macro USM |
E |
EF 100mm f/2.8 L Macro IS USM |
B |
EF 135mm f/2 L USM |
A |
EF 135mm f/2 L USM + Extender EF 1.4x I/II/III |
A |
EF 135mm f/2 L USM + Extender EF 2x I/II/III |
B |
EF 135mm f/2.8 (Softfocus) |
A |
EF 180mm f/3.5 L Macro USM |
G |
EF 180mm f/3.5 L Macro USM + Extender EF 1.4x I/II/III |
G |
EF 200mm f/1.8 L USM |
A |
EF 200mm f/1.8 L USM + Extender EF 1.4x I/II/III |
A* |
EF 200mm f/1.8 L USM + Extender EF 2x I/II/III |
B* |
EF 200mm f/2 L IS USM |
A |
EF 200mm f/2 L IS USM + Extender EF 1.4x I/II/III |
A |
EF 200mm f/2 L IS USM + Extender EF 2x I/II/III |
B |
EF 200mm f/2.8 L USM |
A |
EF 200mm f/2.8 L USM + Extender EF 1.4x I/II/III |
B |
EF 200mm f/2.8 L USM + Extender EF 2x I/II/III |
E |
EF 200mm f/2.8 L II USM |
A |
EF 200mm f/2.8 L II USM + Extender EF 1.4x I/II/III |
B |
EF 200mm f/2.8 L II USM + Extender EF 2x I/II/III |
E |
EF 300mm f/2.8 L USM |
A |
EF 300mm f/2.8 L USM + Extender EF 1.4x I/II/III |
B* |
EF 300mm f/2.8 L USM + Extender EF 2x I/II/III |
E* |
EF 300mm f/2.8 L IS USM |
A |
EF 300mm f/2.8 L IS USM + Extender EF 1.4x I/II/III |
B |
EF 300mm f/2.8 L IS USM + Extender EF 2x I/II/III |
E |
EF 300mm f/2.8 L IS II USM |
A |
EF 300mm f/2.8 L IS II USM + Extender EF 1.4x I/II/III |
B |
EF 300mm f/2.8 L IS II USM + Extender EF 2x I/II/III |
E |
EF 300mm f/4 L USM |
B |
EF 300mm f/4 L USM + Extender EF 1.4x I/II/III |
E |
EF 300mm f/4 L USM + Extender EF 2x I/II |
I (f/8) |
EF 300mm f/4 L USM + Extender EF 2x III |
H (f/8) |
EF 300mm f/4 L IS USM |
B |
EF 300mm f/4 L IS USM + Extender EF 1.4x I/II/III |
E |
EF 300mm f/4 L IS USM + Extender EF 2x I/II |
I (f/8) |
EF 300mm f/4 L IS USM + Extender EF 2x III |
H (f/8) |
EF 400mm f/2.8 L USM |
A |
EF 400mm f/2.8 L USM + Extender EF 1.4x I/II/III |
B* |
EF 400mm f/2.8 L USM + Extender EF 2x I/II/III |
E* |
EF 400mm f/2.8 L II USM |
A |
EF 400mm f/2.8 L II USM + Extender EF 1.4x I/II/III |
B* |
EF 400mm f/2.8 L II USM + Extender EF 2x I/II/III |
E* |
EF 400mm f/2.8 L IS USM |
A |
EF 400mm f/2.8 L IS USM + Extender EF 1.4x I/II/III |
B |
EF 400mm f/2.8 L IS USM + Extender EF 2x I/II/III |
E |
EF 400mm f/2.8 L IS II USM |
A |
EF 400mm f/2.8 L IS II USM + Extender EF 1.4x I/II/III |
B |
EF 400mm f/2.8 L IS II USM + Extender EF 2x I/II/III |
E |
EF 400mm f/2.8 L IS III USM |
A |
EF 400mm f/2.8 L IS III USM + Extender EF 1.4x I/II/III |
B |
EF 400mm f/2.8 L IS III USM + Extender EF 2x I/II/III |
E |
EF 400mm f/4 DO IS USM |
B |
EF 400mm f/4 DO IS USM + Extender EF 1.4x I/II/III |
E |
EF 400mm f/4 DO IS USM + Extender EF 2x I/II |
I (f/8) |
EF 400mm f/4 DO IS USM + Extender EF 2x III |
E (f/8) |
EF 400mm f/4 DO IS II USM |
B |
EF 400mm f/4 DO IS II USM + Extender EF 1.4x I/II/III |
E |
EF 400mm f/4 DO IS II USM + Extender EF 2x I/II |
I (f/8) |
EF 400mm f/4 DO IS II USM + Extender EF 2x III |
E (f/8) |
EF 400mm f/5.6 L USM |
E |
EF 400mm f/5.6 L USM + Extender EF 1.4x I/II |
I (f/8) |
EF 400mm f/5.6 L USM + Extender EF 1.4x III |
E (f/8) |
EF 500mm f/4 L IS USM |
B |
EF 500mm f/4 L IS USM + Extender EF 1.4x I/II/III |
E |
EF 500mm f/4 L IS USM + Extender EF 2x I/II |
I (f/8) |
EF 500mm f/4 L IS USM + Extender EF 2x III |
E (f/8) |
EF 500mm f/4 L IS II USM |
B |
EF 500mm f/4 L IS II USM + Extender EF 1.4x I/II/III |
E |
EF 500mm f/4 L IS II USM + Extender EF 2x I/II |
I (f/8) |
EF 500mm f/4 L IS II USM + Extender EF 2x III |
E (f/8) |
EF 500mm f/4.5 L USM |
E |
EF 500mm f/4.5 L USM + Extender EF 1.4x I/II |
I (f/8)* |
EF 500mm f/4.5 L USM + Extender EF 1.4x III |
E (f/8)* |
EF 600mm f/4 L USM |
B |
EF 600mm f/4 L USM + Extender EF 1.4x I/II/III |
E* |
EF 600mm f/4 L USM + Extender EF 2x I/II |
I (f/8)* |
EF 600mm f/4 L USM + Extender EF 2x III |
E (f/8)* |
EF 600mm f/4 L IS USM |
B |
EF 600mm f/4 L IS USM + Extender EF 1.4x I/II/III |
E |
EF 600mm f/4 L IS USM + Extender EF 2x I/II |
I (f/8) |
EF 600mm f/4 L IS USM + Extender EF 2x III |
E (f/8) |
EF 600mm f/4 L IS II USM |
B |
EF 600mm f/4 L IS II USM + Extender EF 1.4x I/II/III |
E |
EF 600mm f/4 L IS II USM + Extender EF 2x I/II |
I (f/8) |
EF 600mm f/4 L IS II USM + Extender EF 2x III |
E (f/8) |
EF 600mm f/4 L IS III USM |
B |
EF 600mm f/4 L IS III USM + Extender EF 1.4x I/II/III |
E |
EF 600mm f/4 L IS III USM + Extender EF 2x I/II |
I (f/8) |
EF 600mm f/4 L IS III USM + Extender EF 2x III |
E (f/8) |
EF 800mm f/5.6 L IS USM |
F |
EF 800mm f/5.6 L IS USM + Extender EF 1.4x I/II/III |
I (f/8) |
EF 1200mm f/5.6 L USM |
G |
EF 1200mm f/5.6 L USM + Extender EF 1.4x I/II/III |
I (f/8)* |
EF 8-15mm f/4 L Fisheye USM |
B |
EF 11-24mm f/4 L USM |
D |
EF 16-35mm f/2.8 L USM |
A |
EF 16-35mm f/2.8 L II USM |
A |
EF 16-35mm f/2.8 L III USM |
A |
EF 16-35mm f/4 L IS USM |
B |
EF 17-35mm f/2.8 L USM |
A |
EF 17-40mm f/4 L USM |
B |
EF 20-35mm f/2.8 L |
A |
EF 20-35mm f/3.5-4.5 USM |
E |
EF 22-55mm f/4-5.6 USM |
F |
EF 24-70mm f/2.8 L USM |
A |
EF 24-70mm f/2.8 L II USM |
A |
EF 24-70mm f/4 L IS USM |
B |
EF 24-85mm f/3.5-4.5 USM |
E |
EF 24-105mm f/3.5-5.6 IS STM |
E |
EF 24-105mm f/4 L IS USM |
B |
EF 24-105mm f/4 L IS II USM |
B |
EF 28-70mm f/2.8 L USM |
A |
EF 28-70mm f/3.5-4.5 |
F |
EF 28-70mm f/3.5-4.5 II |
F |
EF 28-80mm f/2.8-4 L USM |
B |
EF 28-80mm f/3.5-5.6 |
F |
EF 28-80mm f/3.5-5.6 USM |
F |
EF 28-80mm f/3.5-5.6 II |
F |
EF 28-80mm f/3.5-5.6 II USM |
F |
EF 28-80mm f/3.5-5.6 III USM |
F |
EF 28-80mm f/3.5-5.6 IV USM |
F |
EF 28-80mm f/3.5-5.6 V USM |
F |
EF 28-90mm f/4-5.6 |
E |
EF 28-90mm f/4-5.6 USM |
E |
EF 28-90mm f/4-5.6 II |
E |
EF 28-90mm f/4-5.6 II USM |
E |
EF 28-90mm f/4-5.6 III |
E |
EF 28-105mm f/3.5-4.5 USM |
E |
EF 28-105mm f/3.5-4.5 II USM |
E |
EF 28-105mm f/4-5.6 |
F |
EF 28-105mm f/4-5.6 USM |
F |
EF 28-135mm f/3.5-5.6 IS USM |
E |
EF 28-200mm f/3.5-5.6 |
E |
EF 28-200mm f/3.5-5.6 USM |
E |
EF 28-300mm f/3.5-5.6 L IS USM |
E |
EF 35-70mm f/3.5-4.5 |
F |
EF 35-70mm f/3.5-4.5 A |
F |
EF 35-80mm f/4-5.6 |
F |
EF 35-80mm f/4-5.6 PZ |
F |
EF 35-80mm f/4-5.6 USM |
F |
EF 35-80mm f/4-5.6 II |
F |
EF 35-80mm f/4-5.6 III |
F |
EF 35-105mm f/3.5-4.5 |
E |
EF 35-105mm f/4.5-5.6 |
J |
EF 35-105mm f/4.5-5.6 USM |
J |
EF 35-135mm f/3.5-4.5 |
E |
EF 35-135mm f/4-5.6 USM |
E |
EF 35-350mm f/3.5-5.6 L USM |
F |
EF 38-76mm f/4.5-5.6 |
E |
EF 50-200mm f/3.5-4.5 |
E |
EF 50-200mm f/3.5-4.5 L |
E |
EF 55-200mm f/4.5-5.6 USM |
E |
EF 55-200mm f/4.5-5.6 II USM |
E |
EF 70-200mm f/2.8 L USM |
A |
EF 70-200mm f/2.8 L USM + Extender EF 1.4x I/II/III |
B** |
EF 70-200mm f/2.8 L USM + Extender EF 2x I/II/III |
E** |
EF 70-200mm f/2.8 L IS USM |
A |
EF 70-200mm f/2.8 L IS USM + Extender EF 1.4x I/II/III |
B |
EF 70-200mm f/2.8 L IS USM + Extender EF 2x I/II/III |
E |
EF 70-200mm f/2.8 L IS II USM |
A |
EF 70-200mm f/2.8 L IS II USM + Extender EF 1.4x I/II/III |
B |
EF 70-200mm f/2.8 L IS II USM + Extender EF 2x I/II/III |
E |
EF 70-200mm f/2.8 L IS III USM |
A |
EF 70-200mm f/2.8 L IS III USM + Extender EF 1.4x I/II/III |
B |
EF 70-200mm f/2.8 L IS III USM + Extender EF 2x I/II/III |
E |
EF 70-200mm f/4 L USM |
B |
EF 70-200mm f/4 L USM + Extender EF 1.4x I/II/III |
E |
EF 70-200mm f/4 L USM + Extender EF 2x I/II |
I (f/8) |
EF 70-200mm f/4 L USM + Extender EF 2x III |
H (f/8) |
EF 70-200mm f/4 L IS USM |
B |
EF 70-200mm f/4 L IS USM + Extender EF 1.4x I/II/III |
E |
EF 70-200mm f/4 L IS USM + Extender EF 2x I/II |
I (f/8) |
EF 70-200mm f/4 L IS USM + Extender EF 2x III |
H (f/8) |
EF 70-200mm f/4 L IS II USM |
B |
EF 70-200mm f/4 L IS II USM + Extender EF 1.4x I/II/III |
E |
EF 70-200mm f/4 L IS II USM + Extender EF 2x I/II |
I (f/8) |
EF 70-200mm f/4 L IS II USM + Extender EF 2x III |
H (f/8) |
EF 70-210mm f/3.5-4.5 USM |
E |
EF 70-210mm f/4 |
B |
EF 70-300mm f/4-5.6 IS USM |
E |
EF 70-300mm f/4-5.6 IS II USM |
E |
EF 70-300mm f/4-5.6 L IS USM |
E |
EF 70-300mm f/4.5-5.6 DO IS USM |
E |
EF 75-300mm f/4-5.6 |
E |
EF 75-300mm f/4-5.6 USM |
E |
EF 75-300mm f/4-5.6 II |
E |
EF 75-300mm f/4-5.6 II USM |
E |
EF 75-300mm f/4-5.6 III |
E |
EF 75-300mm f/4-5.6 III USM |
E |
EF 75-300mm f/4-5.6 IS USM |
E |
EF 80-200mm f/2.8 L |
A |
EF 80-200mm f/4.5-5.6 |
E |
EF 80-200mm f/4.5-5.6 USM |
F |
EF 80-200mm f/4.5-5.6 II |
F |
EF 90-300mm f/4.5-5.6 |
E |
EF 90-300mm f/4.5-5.6 USM |
E |
EF 100-200mm f/4.5 A |
E |
EF 100-300mm f/4.5-5.6 USM |
E |
EF 100-300mm f/5.6 |
E |
EF 100-300mm f/5.6 L |
E |
EF 100-400mm f/4.5-5.6 L IS USM |
E |
EF 100-400mm f/4.5-5.6 L IS USM + Extender EF 1.4x I/II |
I (f/8) |
EF 100-400mm f/4.5-5.6 L IS USM + Extender EF 1.4x III |
E (f/8) |
EF 100-400mm f/4.5-5.6 L IS II USM |
E |
EF 100-400mm f/4.5-5.6 L IS II USM + Extender EF 1.4x I/II |
I (f/8) |
EF 100-400mm f/4.5-5.6 L IS II USM + Extender EF 1.4x III |
E (f/8) |
EF 200-400mm f/4 L IS USM Extender 1.4x |
D |
EF 200-400mm f/4 L IS USM Extender 1.4x: Built-in Ext. 1.4x |
E |
EF 200-400mm f/4 L IS USM Extender 1.4x + Extender EF 1.4x I/II/III |
E |
EF 200-400mm f/4 L IS USM Extender 1.4x: Built-in Ext. 1.4x + Extender EF 1.4x I/II |
I (f/8) |
EF 200-400mm f/4 L IS USM Extender 1.4x: Built-in Ext. 1.4x + Extender EF 1.4x III |
E (f/8) |
EF 200-400mm f/4 L IS USM Extender 1.4x + Extender EF 2x I/II |
I (f/8) |
EF 200-400mm f/4 L IS USM Extender 1.4x + Extender EF 2x III |
E (f/8) |
TS-E 17mm f/4 L |
B |
TS-E 24mm f/3.5 L |
B |
TS-E 24mm f/3.5 L II |
B |
TS-E 45mm f/2.8 |
A |
TS-E 50mm f/2.8 L Macro |
B |
TS-E 90mm f/2.8 |
A |
TS-E 90mm f/2.8 L Macro |
B |
TS-E 135mm f/4 L Macro |
B |
Caution
- AF is not available with Extender EF 2x (I/II/III) attached to the EF 180mm f/3.5 L Macro USM lens.
- Precise autofocusing may not be achieved if you use a lens and Extender EF1.4x III/EF2x III combination marked with an asterisk or a lens and extender in a combination marked with two asterisks. In this case, refer to the Instruction Manual of the lens or extender used.
Note
- If you use a TS-E lens, manual focusing is required. TS-E lens group designations apply only when tilt or shift is not used.
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