Technical Specifications
Type
On-camera, E-TTL II/E-TTL autoflash Speedlite
Compatible Cameras
Type-A EOS cameras (E-TTL II/E-TTL autoflash)
Guide Number
Flash Coverage |
ISO 100 (m) |
ISO 100 (ft.) |
Normal (28mm) |
22 |
72 |
Tele (50mm) |
27 |
89 |
Flash Coverage
EF lens: 28mm/50mm
EF-S lens: 17.5mm/31.3mm
Manual switching
Recycling Time
1) Normal flash: Approx. 0.1 - 3.9 sec. / Lamp lights
2) Quick flash: Approx. 0.1 - 2.6 sec. / Lamp blinks at 8 Hz (with size-AA/LR6 alkaline batteries)
Flash Range
Normal Flash
Guide No. (ISO 100) |
Aperture Value |
f/1.4 |
f/2 |
f/2.8 |
f/4 |
f/5.6 |
22 (Normal) |
15.7 |
11.0 |
7.9 |
5.5 |
3.9 |
27 (Tele) |
19.3 |
13.5 |
9.6 |
6.8 |
4.8 |
Quick Flash
Guide No. (ISO 100) |
Aperture Value |
f/1.4 |
f/2 |
f/2.8 |
f/4 |
f/5.6 |
12.6 (Normal) |
9.0 |
6.3 |
4.5 |
3.2 |
2.3 |
15 (Tele) |
10.7 |
7.5 |
5.4 |
3.8 |
2.7 |
High-speed sync (at 1/250 sec.)
Guide No. (ISO 100) |
Aperture Value |
f/1.4 |
f/2 |
f/2.8 |
f/4 |
f/5.6 |
11 (Normal) |
7.9 |
5.5 |
3.9 |
2.8 |
2.0 |
13.5 (Tele) |
9.6 |
6.8 |
4.8 |
3.4 |
2.4 |
AF Assist Beam
Intermittent flash firing system
Effective range:
At center: Approx. 13.1 ft./4m
Periphery: Approx. 11.5 ft./3.5m (in total darkness)
Compatible with model EOS 5D Mark II and later. Available via firmware update for: EOS-1Ds Mark III, EOS-1D Mark III, EOS 40D, EOS 50D, and EOS Rebel XS.
Bounce / Swivel
Up: 60°, 75°, 90°
Custom Functions
1) C.Fn-01: Auto power off (Enabled/Disabled)
2) C.Fn-06: Quick flash w/continuous shot (Disabled/Enabled)
3) C.Fn-10: Receiver auto power off timer (60 minutes/10 minutes)
4) C.Fn-11: Receiver auto power off cancel (Within 8 hours/within 1 hour)
Transmission Range
Reception of all channels via light pulse signal reception on the master unit
Reception Angle
±45° horizontally and ±25° vertically, facing the transmitter on the master unit
Power Source
Two AA-size/LR6 Alkaline Batteries
Dimensions
2.6 x 2.6 x 3.0 in./ 65.8 x 65.2 x 77mm
Weight
5.5 oz./155g (without batteries)
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