Canon MR-14EX - Manual (Page 69)

Specifications
Type....................................... Closeup photography-dedicated, ring-type flash with two flash tubes,
wireless transmission/reception functions, and E-TTLTTL autoflash control
Compatible cameras..............Type-A EOS cameras (for E-TTL autoflash control)
Type-B EOS cameras (for TTL autoflash control)
Compatible lenses................. EF 50mm f/2.5 COMPACT MACRO, EF 100mm f/2.8 MACRO USM, EF
100mm f/2.8 MACRO, EF 180mm f/3.5L MACRO USM, and MP-E 65mm
f/2.8 1-5x
Flash coverage..................... 80 deg. vertical, 80 deg. horizontal
Guide No............................... (->p.71)
Flash count and recycling time................(^ p.11,12)
Flash modes.......................... (1) E-TTL autoflash (w/Type-A cameras)
• FE lock, flash exposure compensation, FEB, flash ratio control
(2) TTL autoflash (w/Type-B cameras)
• Flash exposure compensation, FEB
(3) Manual flash (w/Type-A/B cameras)
• 1/1 -1/64, whole-stop increments, 7 steps .
Firing mode........................... (1) Normal flash
(2) High-speed sync (FP flash)
(3) Test flash
(4) Modeling flash
• With C.Fn-6-0: Modeling flash with flash ratio (w/EOS-ID, IV, 3, D30,
ELAN 7/7E, or 30/33)
• With C.Fn-4-1: Uniform modeling flash (w/all EOS cameras)
(5) Preflash
Flash tube firing mode........... (1) Both flash tubes firing
• Both flash tubes fired at the same output (E-TTL/TTL autoflash)
• Both flash tubes fired according to a flash ratio (E-TTL autoflash)
• Both flash tubes fired manually (Manual flash)
(2) Only one flash tube firing (All flash modes)
Only flash tube A or B fired
High-speed sync.................... Enabled in E-TTL autoflash and manual flash modes
Flash exposure compensation....(1) Automatic compensation: Automatic flash output reduction for fill flash.
(2) Manual adjustment of flash exposure compensation w/the MR-14EX: Up
to ±3 stops in 1/3- or 1/2-stop increments
(3) Manual adjustment of flash exposure compensation w/the camera: Up
to ±3 or ±2 stops in 1/3- or 1/2-stop increments
FEB........................................ Adjustable with the MR-14EX: Up to ±3 stops in 1/3- or 1/2-stop increments
Flash tube A:B ratio control.... 1:8 -1:1 - 8:1, 1/2-stop increments, 13 steps
Shutter curtain sync............... 1st- or 2nd-curtain sync enabled
Flash-ready indicator............ Red pilot lamp
Flash range (at f/2.8, ISO 100) ...(1) Normal flash: Approx. 20mm - 5 m/0.8 in -16 ft
(2) Hgh-speed sync (FP flash) at 1/320 sec.: Approx. 20mm - 2.2 m/0.8 in - 7.2 ft
Flash exposure confirmation.Pilot lamp lights in yellow-green (for 3 sec.) immediately after the picture is
taken.
Sync speed........................... (^ p.72)
Flash duration........................ (1) Normal flash: 1.4 ms or less
(2) High-speed sync (FP flash): 26 ms or shorter.
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