Type

Type

E-TTL II/E-TTL/TTL autoflash, Ring-type flash unit for close-ups

Compatible cameras

Type-A EOS cameras (E-TTL II/E-TTL autoflash)
Type-B EOS cameras (TTL autoflash)
* Please refer to Compatibility information for details

Compatible lenses

EF 50mm f/2.5 Compact Macro
EF 100mm f/2.8L Macro IS USM (requires Macrolite Adapter 67)
EF 100mm f/2.8 Macro USM
EF 100mm f/2.8 Macro
EF 180mm f/3.5L Macro USM (requires Macrolite Adapter 72C)
MP-E 65mm f/2.8 1-5x Macro Photo
EF-S 60mm f/2.8 Macro USM

Flash Unit

Guide Number (ISO 100, meter)

Both sides firing: approx.: 14
Single-side firing: approx. 10.5

Flash coverage

Approx. 80° vertically, 80° horizontally

Flash Time

Normal flash: Approx. 1.8 ms or shorter / Quick flash: Approx. 2.3 ms or shorter

Color temperature
information transmission

Flash color temperature information transmitted to camera
when flash is fired

Filter

A 67 mm filter can be attached on the front face of the flash unit

Focusing Lamp

Coverage

• Upper lamp: Approx. 60° vertically and 60° horizontally
• Lower lamp: Approx. 45° vertically and 45° horizontally

Light intensity: Adjustable

Exposure Control

Exposure control system

E-TTL II/E-TTL/TT autoflash, manual flash

Effective flash range

Normal flash: Approx. 20mm - 5m
Quick flash: Approx. 20mm - 2.7m (at Guide No. 7.5, in meters)
High-speed sync: Approx. 20mm - 2.7m (at 1/250 sec.)
* Both sides firing, with f/2.8 lens, ISO 100
* Distance from the flash unit

Flash mode

Both sides firing, single-side firing

Flash ratio control

8:1 - 1:1 - 1:8, 1/2-stop increments

Flash exposure compensation

±3 stops in 1/3- or 1/2-stop increments

FEB

±3 stops in 1/3- or 1/2-stop increments (when used with flash exposure compensation)

FE lock

Enabled with the camera's Multi-function button or FE lock/ AE lock buttons

High-speed sync

Supported

Manual flash

Normal flash: 1/1 - 1/128 power (1/3-stop increments)
High-speed sync: 1/1 - 1/64 power (1/3-stop increments)

Flash exposure compensation

Flash exposure confirmation lamp lights

Modeling flash

Fired with camera's depth-of-field preview button or
MR-14EX II's test flash button

Flash Recycling

Firing interval (recycling time)

Normal flash: Approx. 0.1 - 5.5 sec.
Quick flash: Approx. 0.1 - 3.3 sec.
* When using AA/LR6 alkaline batteries

Flash-ready lamp display

Lights in red: normal flash available
Lights in green: Quick flash available

Optical Transmission Wireless Master Function

Connection Method

Optical Pulse

Channel

Channel 1-4

Slave unit control

Up to 3 groups (A, B, C)

Transmission range

Indoors: Approx. 0.2 - 5m (at the front)
Outdoors: Approx. 0.2 - 3m (at the front)
Approx. 60° vertically and 80° horizontally

Power Source

MR-14EX II power source

Four AA/LR6 alkaline batteries
* AA/LR6 Ni-MH batteries also usable

Battery Life (number of flashes)

Approx. 100 - 700 flashes (When using AA/LR6 alkaline batteries)

Power Saving

Power off after approx. 90 sec. of idle operation

External power source

Compact Battery Pack CP-E4 can be used

Others

Custom functions

12

Personal functions

3

Dimensions (W x H x D)

Flash Unit: 129.6 × 112.1 × 25.3 mm
Control unit: 69.6 × 118.8 × 71.4 mm

Weight

Approx. 455g (MR-14EX II only, excluding batteries)