Comparison: Canon EF 40mm f/2.8 STM vs Canon EF 135mm f/2L USM
| Canon EF 40mm f/2.8 STM | Canon EF 135mm f/2L USM | |
 |  | |
| Brand | Canon | Canon |
| See Lowest Price | See Lowest Price |
| Canon EF 40mm f/2.8 STM | Canon EF 135mm f/2L USM | |
| | |
| Brand | Canon | Canon |
| See Lowest Price | See Lowest Price |