Canon 814XL-S - Manual (Page 109)

TELEPHOTO MACRO
1. Rotate the zooming ring to the longest focal
length.
2. Next, rotate the focusing ring beyond the
closest focusing distance, into the yellow line
area (to the left of the focusing ring 4 ft./1.2 m
designation).
3. Use the focusing ring to focus in the yellow
area just as you would in regular filming.
If the zooming ring is not fully in the telephoto
zone during telephoto macro filming, you may
experience some image cut-off in the view­
finder.
Depth of Field
Depth of field is the range in front of and behind
the subject which is in focus at the same time as
the subject.
Since the depth of field can become extremely
shallow in macro filming, film under the brightest
light conditions possible, and be especially
careful when focusing. Illuminate the subject so
that for the telephoto macro an aperture smaller
than f/5.6, for instance f/8, can be used and for
the wide angle macro, an aperture smaller than
f/2.8, for instance f/4.