Canon RF 35mm F1.8 MACRO IS STM Instructions Manual page 16

10. Macro Flash (Sold separately)
The Macro Ring Lite MR-14EX II or Macro Twin
Lite MT-26EX-RT enables flash photography up
to 0.5x magnification in E-TTL II autoflash mode.
When using a macro flash and filter at the same
z
time, attach the flash head to the lens while the
filter is attached to the thread for attaching the
filter in the front end of the lens.
If a filter is attached to the macro flash, the front
z
end of the lens and filter contact, which hinders
focusing. It also may damage the filter or causes
the lens to fail.
For how to use the MR-14EX II and MT-26EX-
z
RT, please refer to the lite's instructions.
■ When the MR-14EX II is in use
• Effective Flash Range (Reference)
ISO100
22
16
↑
11
8
5.6
4
2.8
2
1.8
1:5 1:3 1:2
Magnification
Focusing
0.27/ 0.20/ 0.17/
distance
0.89 0.66 0.56
(m/ft.)
■ When the MT-26EX-RT is in use
The MT-26EX-RT's flash range largely depends
on the flash head's position.
In the event of over-exposure, use a diffuser
z
adapter, lower the ISO sensitivity setting, or
reduce the aperture size.
ISO400
22
16
11
8
5.6
4
2.8
: Effective
2
1.8 flash range
(both sides
1:5 1:3 1:2
firing)
0.27/ 0.20/ 0.17/
0.89 0.66 0.56
ENG-15