ENG-19
12. Macro Flash (Sold separately)
The Macro Ring Lite MR-14EX II or Macro
Twin Lite MT-26EX-RT enables macro flash
photography up to 1.4x magnification in E-TTL II
autoflash mode.
Attach the Macro Lite Adapter 67 (sold
separately) on the filter mounting thread on the
front of the lens for macro flash photography.
z
For information on operating the Canon Macro
Ring Lite MR-14EX II or the Macro Twin Lite
MT-26EX-RT, refer to the individual instruction
booklets.
■ When the MR-14EX II
is in use
• Effective Flash Range (Reference)
(With the SA control ring in the central position)
←
Aperture
Magnification (x)
Focusing
distance (m/ft.)
:
Effective flash range
(both sides firing)
32
22
16
11
8
5.6
4
2.8
0.5 1.0 1.4
0.38/
1.25
0.28/
0.92
ISO100
ISO400
0.26/
0.86
0.5 1.0 1.4
0.38/
1.25
0.28/
0.92
0.26/
0.86
32
22
16
11
8
5.6
4
2.8
z
Using the SA control ring will change the effective
flash range, so please take a test shot beforehand
to check exposure.
■ When the MT-26EX-RT is in use
The MT-26EX-RT’s flash range largely depends
on the flash head’s position.
z
In the event of over-exposure, use a diffuser
adapter, lower the ISO sensitivity setting, or
reduce the aperture size.
Summary of Contents for RF100mm F2.8 L MACRO IS USM
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