Canon 814XL-S - Manual (Page 145)

C-8 Wide Anachment Lens 67
With the zooming ring set for wide-angle macro
filming and the focusing ring at infinity, attach­
ment of this accessory shortens the focal length
of the 1014XL-S's lens to 4.3 mm and of the
814XL-S's lens to 4.5 mm. When using this ac­
cessory, the necessary aperture should be f/2.8
or smaller, such as f/4. If necessary, lighting
should be adjusted to enter this aperture range.
Tele-Converter 1.4X 67
With the zooming ring set in the telephoto range,
this accessory extends the focal length of the
1014XL-S's lens to 91 mm and of the 814XL-S's
lens to 78.4 mm for super-telephoto filming.
Since depth of field becomes very shallow, the
aperture should be f/4 or smaller, such as f/5.6.
Adjust the lighting if necessary. The tele­
converter is effective when the zooming ring is
set to any focal length of 30 mm or longer.