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Features: Bower SFD728N Digital iTTL Flash is a fully automatic flashgun with iTTL operation with good bounce and swivel zoom head head for those difficult lighting conditions and ranges from 28mm to 85mm of zoom coverage with a combination of red eye reduction
Guide Number: Guide Number 50 at ISO 200; Guide Number 36 at ISO 100 (when built-in wide panel is not in use)
Guide Number 17 at ISO 200; Guide Number 12 at ISO 100 (when using built-in wide panel)
Power Source: 4 AA (R6) alkaline or NiMH batteries
Specifications: Flash Control Mode: Canon: E-TTLII, E-TTL
No. of Flashes:
- Alkaline Battery: 4-AA approx. 220
- Ni-MH Battery: 4-AA approx. 240
- *Full flashing
Auto Effective Range (Focal Length at 35mm): TTL Auto 1.5~21m
Power Ratio: FULL,1/2,1/4,1/8,1/16,1/32,1/ 64
Angle of Coverage:
- Covers the focal length of 16mm or longer(APS-C size)
- Covers the focal length of 24mm or longer(when converted to 35-mm film size)
Flash Speed: Approx. 1/500~1/13,000 sec.
Bounce Flash: Vertical: Up 90°/ Horizontal: Left 180°,Right 120°
Wide Panel: Built-in: 13mm (APS-C size) or 20mm (when converted to 35-mm film size) when the wide panel is used
Zoom position display (switch type):
- 24~105mm (24,28,35,50,70,85,105mm) (when converted to 35-mm film size)
- 16~70mm (16,19,24,34,48,58,70mm)(APS-C size)
Specifications: Type: On-camera, E-TTL II/E-TTL autoflash Speedlite
Flash Coverage:
- EF lens: 28mm/50mm
- EF-S lens: 17.5mm/31.3mm
- Manual switching
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: Slave auto power off timer (60 minutes/10 minutes)
4) C.Fn-11: Slave 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
Compatibility: Type-A EOS cameras (E-TTL II/E-TTL autoflash)
Guide Number: Normal (24mm): 22 (ISO 100 (m)), 72 (ISO 100 (ft.))
Tele (50mm): 27 (ISO 100 (m)), 89 (ISO 100 (ft.))
Specifications: Flash Control Mode: Nikon: i-TTL, D-TTL
No. of Flashes:
- Alkaline Battery: 4-AA approx. 220
- Ni-MH Battery: 4-AA approx. 240
- *Full flashing
Auto Effective Range (Focal Length at 35mm): TTL Auto 1.5~21m
Power Ratio: FULL,1/2,1/4,1/8,1/16,1/32,1/ 64
Angle of Coverage:
- Covers the focal length of 16mm or longer(APS-C size)
- Covers the focal length of 24mm or longer(when converted to 35-mm film size)
Flash Speed: Approx. 1/500~1/13,000 sec.
Bounce Flash: Vertical: Up 90°/ Horizontal: Left 180°,Right 120°
Wide Panel: Built-in: 13mm (APS-C size) or 20mm (when converted to 35-mm film size) when the wide panel is used
Zoom position display (switch type):
- 24~105mm (24,28,35,50,70,85,105mm) (when converted to 35-mm film size)
- 16~70mm (16,19,24,34,48,58,70mm)(APS-C size)
Features: Bower SFD728N Digital iTTL Flash is a fully automatic flashgun with iTTL operation with good bounce and swivel zoom head head for those difficult lighting conditions and ranges from 28mm to 85mm of zoom coverage with a combination of red eye reduction
Specifications: Number of Flashes: Approx. 100 - 700 flashes (with size-AA/LR6 alkaline batteries)
Flash Range: Effective flash range at ISO 100
Custom Functions: 18 Functions
Personal Functions: 7 Functions
External Power Source: Compact Battery Pack CP-E4
Compatibility: E-TTL II/E-TTL Autoflash EOS DSLR
Guide Number: The maximum Guide No. is approximately 196.9 ft./60m at ISO 100 varies from approximately 85.3 ft./26m to 196.9 ft. /60m according to the flash coverage (20 to 200 mm).