Canon 815mm Owners Manual

							ENG-10
6. Hood
Attaching
To attach the hood, align the hood’s attachment
position mark with the red dot on the front of the
lens, then turn the hood as shown by the arrow
until the lens red dot is aligned with the hoods
stop position mark. The EW-77 hood can keep unwanted light out of the lens, and also protects the front of the lens from
rain, snow, and dust.
Removing
To remove the hood, hold down the button on the
side and turn the hood in the direction of the
arrow until the position mark on the hood aligns
with the red dot.
Button
This hood can be used even when the lens cap is
attached to it. 
						

							ENG-11
Hood
Vignetting will not occur while shooting in the
following zoom ranges when using the lens hood.
Please detach the lens hood when shooting
outside of these ranges.
• Full Format:Only at the telephoto end
• APS-H:From the telephoto end to the “H”
marking
• APS-C:From the telephoto end to the “C”
marking (range when using the
zoom limiter)
•Part of the picture may be blocked if the hood is
not attached properly.
•When attaching or detaching the hood, grasp
the base of the hood to turn it. To prevent
deformation, do not grasp the rim of the hood to
turn it. 
						

							ENG-12
7. Lens Cap
While the lens hood (included) is attached to the
lens, Lens Cap 8-15 can be attached to the lens
hood by pressing the buttons located on the
upper and lower sides of the lens cap and
aligning its recessed parts with the convex parts
found in the lens hood.There is a gelatin filter holder at the rear of the
lens. Cut the gelatin filter to fit within the white
frames. Then insert the gelatin filter into the filter
holder.
8. Filter (Sold separately)
Recessed Section 
						

							ENG-13
Specifications
Focal Length/Aperture8 – 15 mm f/4
Lens Construction11 groups, 14 elements
Minimum Aperturef/22
Angle of ViewDiagonal: 180° – 175° 30’ Vertical: 180° – 91° 46’ Horizontal: 180° – 142°
Min. Focusing Distance0.15 m / 0.5 ft.
Max. Magnification0.34x (center of image, telephoto end)
Max. Diameter and Length78.5 ×83.0 mm / 3.1 ×3.3 inch
Weightapprox. 540 g / 19.0 oz.
HoodEW-77
Lens CapLens Cap 8-15
CaseLP1219
•The lens length is measured from the mount surface to the front end of the lens.
•The size and weight listed are for the lens only, except as indicated.
•The EF1.4X II, III/EF2X II, III extender, the EF12 II/EF25 II extension tube, and 250D/500D close-up lenses
cannot be used with this lens.
•Aperture settings are specified on the camera.
•All data listed is measured according to Canon standards.
•Product specifications and appearance are subject to change without notice. 
						

							CT1-8571-001 © CANON INC. 20110611Ni