With some EF lenses, the camcorder may take longer to focus automatically or may not be able to focus correctly. (EOS C500 Mark II, EOS C300 Mark III)

Last Updated : 17-Jun-2020
Issue Number : 8204734100

With the EF lenses listed below, it may take longer to achieve focus, or correct focus may not be achieved.

(As of March 2020)

EF 50mm f/1.4 USM	EF 50mm f/1.8 II	EF 50mm f/2.5 Compact Macro
EF 75-300mm f/4-5.6 III	EF 75-300mm f/4-5.6 III USM	EF 100mm f/2.8L Macro USM
EF 15mm f/2.8 Fisheye	EF-S 18-55mm f/3.5-5.6	EF-S 18-55mm f/3.5-5.6 II
EF-S 18-55mm f/3.5-5.6 USM	EF-S 18-55mm f/3.5-5.6 II USM	EF 20-35mm f/2.8L
EF 22-55mm f/4-5.6 USM	EF 24mm f/2.8	EF 28mm f/2.8
EF 28-70mm f/3.5-4.5	EF 28-70mm f/3.5-4.5 II	EF 28-80mm f/3.5-5.6
EF 28-80mm f/3.5-5.6 II	EF 28-80mm f/3.5-5.6 II USM	EF 28-80mm f/3.5-5.6 III USM
EF 28-80mm f/3.5-5.6 IV USM	EF 28-80mm f/3.5-5.6 V USM	EF 28-90mm f/4-5.6
EF 28-90mm f/4-5.6 II	EF 28-90mm f/4-5.6 III	EF 28-90mm f/4-5.6 USM
EF 28-90mm f/4-5.6 II USM	EF 28-105mm f/4-5.6	EF 28-105mm f/4-5.6 USM
EF 28-200mm f/3.5-5.6	EF 28-200mm f/3.5-5.6 USM	EF 35mm f/2
EF 35-70mm f/3.5-4.5	EF 35-70mm f/3.5-4.5A	EF 35-80mm f/4-5.6
EF 35-80mm f/4-5.6 II	EF 35-80mm f/4-5.6 III	EF 35-80mm f/4-5.6 USM
EF 35-80mm f/4-5.6 PZ	EF 35-105mm f/3.5-4.5	EF 35-105mm f/4.5-5.6
EF 35-105mm f/4.5-5.6 USM	EF 35-135mm f/3.5-4.5	EF 38-76mm f/4.5-5.6
EF 50mm f/1.8	EF 50-200mm f/3.5-4.5	EF 50-200mm f/3.5-4.5L
EF 55-200mm f/4.5-5.6 USM	EF 55-200mm f/4.5-5.6 II USM	EF 70-210mm f/4
EF 75-300mm f/4-5.6	EF 75-300mm f/4-5.6 II	EF 75-300mm f/4-5.6 USM
EF 75-300mm f/4-5.6 II USM	EF 75-300mm f/4-5.6 IS USM	EF 80-200mm f/2.8L
EF 80-200mm f/4.5-5.6	EF 80-200mm f/4.5-5.6 II	EF 80-200mm f/4.5-5.6 USM
EF 90-300mm f/4.5-5.6	EF 90-300mm f/4.5-5.6 USM	EF 100mm f/2.8L Macro
EF 100-200mm f/4.5A	EF 100-300mm f/5.6	EF 100-300mm f/5.6L
EF 135mm f/2.8 (equipped with soft focus mechanism)	EF 400mm f/2.8L USM	-