Canon EF24-105mm f/3.5-5.6 IS STM User Manual page 15

9. Close-up Lenses
(sold separately)
Attaching a 500D (77 mm) Close-up Lens
enables close-up photography.
Compatibility with Close-up Lenses is as follows.
Can be used at the 105mm end (magnification
●
0.41x - 0.21x)
Close-up Lens 250D cannot be attached
●
because there is no size that fits the lens.
●
MF mode is recommended for accurate focusing.
ENG-14