Incompatible lens list for variable control of maximum ISO Auto limit for E-TTL ISO Auto (EOS-1D X Mark III)
Solution
The function to automatically control the maximum limit for ISO Auto when shooting with flash depends on the lens attached.
The lenses that are not compatible with this function to control the maximum limit for ISO Auto are listed below.
| Lens Name | Remarks |
| EF14mm f/2.8L USM | Production ended |
| EF14mm f/2.8L II USM | |
| EF15mm f/2.8 Fisheye | Production ended |
| EF20mm f/2.8 USM | Production ended |
| EF24mm f/1.4L USM | Production ended |
| EF24mm f/2.8 | Production ended |
| EF24mm f/2.8 IS USM | |
| EF28mm f/1.8 USM | Production ended |
| EF28mm f/2.8 | Production ended |
| EF28mm f/2.8 IS USM | |
| EF35mm f/1.4L USM | Production ended |
| EF35mm f/2 | Production ended |
| EF35mm f/2 IS USM | |
| EF40mm f/2.8 STM | |
| EF50mm f/1.0L USM | Production ended |
| EF50mm f/1.4 USM | |
| EF50mm f/1.8 | Production ended |
| EF50mm f/1.8 II | Production ended |
| EF50mm f/1.8 STM | |
| EF50mm f/2.5 Compact macro | Production ended |
| EF85mm f/1.2L USM | Production ended |
| EF85mm f/1.8 USM | |
| EF100mm f/2 USM | Production ended |
| EF100mm f/2.8 Macro | Production ended |
| EF100mm f/2.8 Macro USM | |
| EF135mm f/2L USM | |
| EF135mm f/2.8 Softfocus | Production ended |
| EF180mm f/3.5L Macro USM | |
| EF200mm f/1.8L USM | Production ended |
| EF200mm f/2.8L USM | Production ended |
| EF200mm f/2.8L II USM | |
| EF300mm f/2.8L USM | Production ended |
| EF300mm f/2.8L IS USM | Production ended |
| EF300mm f/4L USM | Production ended |
| EF300mm f/4L IS USM | |
| EF400mm f/2.8L USM | Production ended |
| EF400mm f/2.8L II USM | Production ended |
| EF400mm f/2.8L IS USM | Production ended |
| EF400mm f/2.8L IS III USM | |
| EF400mm f/4 DO IS USM | Production ended |
| EF400mm f/5.6L USM | |
| EF500mm f/4L IS USM | Production ended |
| EF500mm f/4.5L USM | Production ended |
| EF600mm f/4L USM | Production ended |
| EF600mm f/4L IS USM | Production ended |
| EF600mm f/4L IS III USM | |
| EF1200mm f/5.6L USM | Production ended |
| Lens Name | Remarks |
| EF16-35mm f/2.8L USM | Production ended |
| EF16-35mm f/2.8L II USM | Production ended |
| EF17-35mm f/2.8L USM | Production ended |
| EF17-40mm f/4L USM | |
| EF20-35mm f/2.8L | Production ended |
| EF20-35mm f/3.5-4.5 USM | Production ended |
| EF22-55mm f/4-5.6 USM | Production ended |
| EF24-70mm f/2.8L USM | Production ended |
| EF24-85mm f/3.5-4.5 USM | Production ended |
| EF28-70mm f/2.8L USM | Production ended |
| EF28-70mm f/3.5-4.5 | Production ended |
| EF28-70mm f/3.5-4.5 II | Production ended |
| EF28-80mm f/2.8-4L USM | Production ended |
| EF28-80mm f/3.5-5.6 | Production ended |
| EF28-80mm f/3.5-5.6 II | Production ended |
| EF28-80mm f/3.5-5.6 USM | Production ended |
| EF28-80mm f/3.5-5.6 II USM | Production ended |
| EF28-80mm f/3.5-5.6 III USM | Production ended |
| EF28-80mm f/3.5-5.6 IV USM | Production ended |
| EF28-80mm f/3.5-5.6 V USM | Production ended |
| EF28-90mm f/4-5.6 | Production ended |
| EF28-90mm f/4-5.6 II | Production ended |
| EF28-90mm f/4-5.6 III | Production ended |
| EF28-90mm f/4-5.6 USM | Production ended |
| EF28-90mm f/4-5.6 II USM | Production ended |
| EF28-105mm f/3.5-4.5 USM | Production ended |
| EF28-105mm f/3.5-4.5 II USM | Production ended |
| EF28-105mm f/4-5.6 | Production ended |
| EF28-105mm f/4-5.6 USM | Production ended |
| EF28-135mm f/3.5-5.6 IS USM | Production ended |
| EF28-200mm f/3.5-5.6 | Production ended |
| EF28-200mm f/3.5-5.6 USM | Production ended |
| EF35-70mm f/3.5-4.5 | Production ended |
| EF35-70mm f/3.5-4.5 A | Production ended |
| EF35-80mm f/4-5.6 | Production ended |
| EF35-80mm f/4-5.6 II | Production ended |
| EF35-80mm f/4-5.6 III | Production ended |
| EF35-80mm f/4-5.6 PZ | Production ended |
| EF35-80mm f/4-5.6 USM | Production ended |
| EF35-105mm f/3.5-4.5 | Production ended |
| EF35-105mm f/4.5-5.6 | Production ended |
| EF35-105mm f/4.5-5.6 USM | Production ended |
| EF35-135mm f/3.5-4.5 | Production ended |
| EF35-135mm f/4-5.6 USM | Production ended |
| EF35-350mm f/3.5-5.6L USM | Production ended |
| EF38-76mm f/4.5-5.6 | Production ended |
| EF50-200mm f/3.5-4.5 | Production ended |
| EF50-200mm f/3.5-4.5L | Production ended |
| EF55-200mm f/4.5-5.6 USM | Production ended |
| EF55-200mm f/4.5-5.6 II USM | |
| EF70-200mm f/2.8L USM | |
| EF70-200mm f/2.8L IS USM | Production ended |
| EF70-200mm f/2.8L IS III USM | |
| EF70-200mm f/4L USM | |
| EF70-210mm f/3.5-4.5 USM | Production ended |
| EF70-210mm f/4 | Production ended |
| EF75-300mm f/4-5.6 | Production ended |
| EF75-300mm f/4-5.6 II | Production ended |
| EF75-300mm f/4-5.6 III | |
| EF75-300mm f/4-5.6 USM | Production ended |
| EF75-300mm f/4-5.6 II USM | Production ended |
| EF75-300mm f/4-5.6 III USM | Production ended |
| EF75-300mm f/4-5.6 IS USM | Production ended |
| EF80-200mm f/2.8L | Production ended |
| EF80-200mm f/4.5-5.6 | Production ended |
| EF80-200mm f/4.5-5.6 II | Production ended |
| EF80-200mm f/4.5-5.6 USM | Production ended |
| EF90-300mm f/4.5-5.6 | Production ended |
| EF90-300mm f/4.5-5.6 USM | Production ended |
| EF100-200mm f/4.5A | Production ended |
| EF100-300mm f/4.5-5.6 USM | Production ended |
| EF100-300mm f/5.6 | Production ended |
| EF100-300mm f/5.6L | Production ended |
| EF100-400mm f/4.5-5.6L IS USM | Production ended |
| TS-E17mm f/4L | |
| TS-E24mm f/3.5L | Production ended |
| TS-E24mm f/3.5L II | |
| TS-E45mm f/2.8 | Production ended |
| TS-E90mm f/2.8 | Production ended |
| MP-E65mm f/2.8 1-5x Macro Photo |
NOTE
As of September 30, 2019.