Canon EF 400mm f5.6L USM - Manual (Page 10)

ENG-9
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 Close-up Lens enables close-
up photography.
The magnification will be as follows:
¡ EF135mm f/2L USM (72mm)
0.48
Ч
– 0.27
Ч
¡ EF200mm f/2.8L II USM (72mm)
0.57
Ч
– 0.39
Ч
¡ EF300mm f/4L USM (77mm)
0.82
Ч
– 0.59
Ч
¡ EF400mm f/5.6L USM (77mm)
0.91
Ч
– 0.78
Ч
¡ Close-up Lens 250D cannot be attached
because there is no size that fits the lens.
¡ Manual focusing is recommended for accurate
focusing.
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