9. Filters (Sold separately)
You can attach filters to the filter mounting thread on the front of the lens.
¡If you need a polarizing filter, use the Canon Circular Polarizing Filter.
¡To adjust the polarizing filter, first remove or store the lens hood.
10.Close-up Lenses (Sold separately)
Attaching a 500D
The magnification will be as follows: ¡EF135mm f/2L USM (72mm)
0.48⋅ – 0.27⋅
¡EF200mm f/2.8L II USM (72mm) 0.57⋅ – 0.39⋅
¡EF300mm f/4L USM (77mm) 0.82⋅ – 0.59⋅
¡EF400mm f/5.6L USM (77mm) 0.91⋅ – 0.78⋅
¡Manual focusing is recommended for accurate focusing.