Lenses Not Compatible with Variable Control of Maximum ISO Auto Limit for E-TTL
Availability of automatic control over the maximum ISO Auto value in flash photography based on shooting conditions depends on the lens used.
Variable control of the maximum ISO Auto value is not available with the following lenses (as of October 2024).
This information applies to the cameras noted below.
- EOS R1
- EOS R3
- EOS R5 Mark II
- EOS R6 Mark II
- EOS R7
- EOS R8
- EOS R10
- EOS R50
- EOS R100
| Type of Lens | Lens Name |
|---|---|
| EF lenses | EF14mm f/2.8L USM |
| EF14mm f/2.8L II USM | |
| EF15mm f/2.8 Fisheye | |
| EF20mm f/2.8 USM | |
| EF24mm f/1.4L USM | |
| EF24mm f/2.8 | |
| EF24mm f/2.8 IS USM | |
| EF28mm f/1.8 USM | |
| EF28mm f/2.8 | |
| EF28mm f/2.8 IS USM | |
| EF35mm f/1.4L USM | |
| EF35mm f/2 | |
| EF35mm f/2 IS USM | |
| EF40mm f/2.8 STM | |
| EF50mm f/1.0L USM | |
| EF50mm f/1.4 USM | |
| EF50mm f/1.8 | |
| EF50mm f/1.8 II | |
| EF50mm f/1.8 STM | |
| EF50mm f/2.5 Compact macro | |
| EF85mm f/1.2L USM | |
| EF85mm f/1.8 USM | |
| EF100mm f/2 USM | |
| EF100mm f/2.8 Macro | |
| EF100mm f/2.8 Macro USM | |
| EF135mm f/2L USM | |
| EF135mm f/2.8 Softfocus | |
| EF180mm f/3.5L Macro USM | |
| EF200mm f/1.8L USM | |
| EF200mm f/2.8L USM | |
| EF200mm f/2.8L II USM | |
| EF300mm f/2.8L USM | |
| EF300mm f/2.8L IS USM | |
| EF300mm f/4L USM | |
| EF300mm f/4L IS USM | |
| EF400mm f/2.8L USM | |
| EF400mm f/2.8L II USM | |
| EF400mm f/2.8L IS USM | |
| EF400mm f/2.8L IS III USM | |
| EF400mm f/4 DO IS USM | |
| EF400mm f/5.6L USM | |
| EF500mm f/4L IS USM | |
| EF500mm f/4.5L USM | |
| EF600mm f/4L USM | |
| EF600mm f/4L IS USM | |
| EF600mm f/4L IS III USM | |
| EF1200mm f/5.6L USM | |
| EF16-35mm f/2.8L USM | |
| EF16-35mm f/2.8L II USM | |
| EF17-35mm f/2.8L USM | |
| EF17-40mm f/4L USM | |
| EF20-35mm f/2.8L | |
| EF20-35mm f/3.5-4.5 USM | |
| EF22-55mm f/4-5.6 USM | |
| EF24-70mm f/2.8L USM | |
| EF24-85mm f/3.5-4.5 USM | |
| EF28-70mm f/2.8L USM | |
| EF28-70mm f/3.5-4.5 | |
| EF28-70mm f/3.5-4.5 II | |
| EF28-80mm f/2.8-4L USM | |
| EF28-80mm f/3.5-5.6 | |
| EF28-80mm f/3.5-5.6 II | |
| EF28-80mm f/3.5-5.6 USM | |
| EF28-80mm f/3.5-5.6 II USM | |
| EF28-80mm f/3.5-5.6 III USM | |
| EF28-80mm f/3.5-5.6 IV USM | |
| EF28-80mm f/3.5-5.6 V USM | |
| EF28-90mm f/4-5.6 | |
| EF28-90mm f/4-5.6 II | |
| EF28-90mm f/4-5.6 III | |
| EF28-90mm f/4-5.6 USM | |
| EF28-90mm f/4-5.6 II USM | |
| EF28-105mm f/3.5-4.5 USM | |
| EF28-105mm f/3.5-4.5 II USM | |
| EF28-105mm f/4-5.6 | |
| EF28-105mm f/4-5.6 USM | |
| EF28-135mm f/3.5-5.6 IS USM | |
| EF28-200mm f/3.5-5.6 | |
| EF28-200mm f/3.5-5.6 USM | |
| EF35-70mm f/3.5-4.5 | |
| EF35-70mm f/3.5-4.5 A | |
| EF35-80mm f/4-5.6 | |
| EF35-80mm f/4-5.6 II | |
| EF35-80mm f/4-5.6 III | |
| EF35-80mm f/4-5.6 PZ | |
| EF35-80mm f/4-5.6 USM | |
| EF35-105mm f/3.5-4.5 | |
| EF35-105mm f/4.5-5.6 | |
| EF35-105mm f/4.5-5.6 USM | |
| EF35-135mm f/3.5-4.5 | |
| EF35-135mm f/4-5.6 USM | |
| EF35-350mm f/3.5-5.6L USM | |
| EF38-76mm f/4.5-5.6 | |
| EF50-200mm f/3.5-4.5 | |
| EF50-200mm f/3.5-4.5L | |
| EF55-200mm f/4.5-5.6 USM | |
| EF55-200mm f/4.5-5.6 II USM | |
| EF70-200mm f/2.8L USM | |
| EF70-200mm f/2.8L IS USM | |
| EF70-200mm f/2.8L IS III USM | |
| EF70-200mm f/4L USM | |
| EF70-210mm f/3.5-4.5 USM | |
| EF70-210mm f/4 | |
| EF75-300mm f/4-5.6 | |
| EF75-300mm f/4-5.6 II | |
| EF75-300mm f/4-5.6 III | |
| EF75-300mm f/4-5.6 USM | |
| EF75-300mm f/4-5.6 II USM | |
| EF75-300mm f/4-5.6 III USM | |
| EF75-300mm f/4-5.6 IS USM | |
| EF80-200mm f/2.8L | |
| EF80-200mm f/4.5-5.6 | |
| EF80-200mm f/4.5-5.6 II | |
| EF80-200mm f/4.5-5.6 USM | |
| EF90-300mm f/4.5-5.6 | |
| EF90-300mm f/4.5-5.6 USM | |
| EF100-200mm f/4.5A | |
| EF100-300mm f/4.5-5.6 USM | |
| EF100-300mm f/5.6 | |
| EF100-300mm f/5.6L | |
| EF100-400mm f/4.5-5.6L IS USM | |
| EF-S lenses | EF-S24mm f/2.8 STM |
| EF-S10-22mm f/3.5-4.5 USM | |
| EF-S18-55mm f/3.5-5.6 | |
| EF-S18-55mm f/3.5-5.6 II | |
| EF-S18-55mm f/3.5-5.6 III | |
| EF-S18-55mm f/3.5-5.6 USM | |
| EF-S18-55mm f/3.5-5.6 II USM | |
| EF-S18-55mm f/3.5-5.6 IS | |
| EF-S18-55mm f/3.5-5.6 IS II | |
| TS-E lenses | TS-E17mm f/4L |
| TS-E24mm f/3.5L | |
| TS-E24mm f/3.5L II | |
| TS-E45mm f/2.8 | |
| TS-E90mm f/2.8 | |
| MP-E lenses | MP-E65mm f/2.8 1-5x Macro Photo |