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Canon

Canon 1177C002 Speedlite 600EX II-RT camera flash

SKU CH-0PT0-NJNNH MPN 1177C002

High-output on-camera flash with 2.4 GHz radio transmission, 20–200 mm zoom head, 197 ft guide number at ISO 100 and improved continuous firing up to 2.0× with external power

  • Part1177C002
  • SpecificationsNumber of Flashes: Approx. 100–700 flashes.
  • CompatibilityType-A EOS cameras (E-TTL II / E-TTL autoflash) Type-B EOS c
  • Guide NumberApproximately 49.2 ft. at ISO 100. Maximum Guide No. is appr
  • AF-assist BeamSystem: Infrared AF-assist beam Compatible AF System: TTL se
  • Recycling TimeNormal flash: 0.1 - 5.5 sec. Quick flash: 0.1 - 3.3 sec.
  • Wireless radio works through obstacles with 2.4 GHz transmission
  • Powerful output reaches 197 ft guide number at ISO 100
  • Versatile zoom covers 20 to 200 mm and 14 mm with panel
  • Flexible bounce angles tilt -7 to +90° and rotate 180°
  • Faster recycling delivers 1.1 to 1.5× improved continuous shooting

Radio Flash for EOS Systems

The Canon Speedlite 600EX II-RT is a shoe-mount flash with built-in 2.4 GHz radio transmission for wireless control without line-of-sight. It delivers a guide number of 197 ft at ISO 100 and 200 mm zoom, and covers 20-200 mm or 14 mm with the wide panel. The head tilts -7 to +90 degrees and rotates 180 degrees left and right. It runs on four AA batteries and weighs 0.96 lb.

Suited for Multi-Flash Radio Setups

Photographers who need reliable off-camera triggering through obstacles will benefit from the radio system. The fast 0.1-3.3 sec quick-flash recycle supports continuous shooting up to 2.0x faster with an optional battery pack. Buyers who want a smaller on-camera unit or who only shoot with optical slaves should look at something else.

2.4 GHz Radio Transmission Decides Fit

The integrated 2.4 GHz radio is the single specification that determines whether this flash fits the workflow. It enables commander or slave operation over long distances without infrared constraints. If the shooting environment relies on optical triggering or the camera lacks radio support, this model adds capability that will not be used.

Highlights

  • Wireless radio works through obstacles with 2.4 GHz transmission
  • Powerful output reaches 197 ft guide number at ISO 100
  • Versatile zoom covers 20 to 200 mm and 14 mm with panel
  • Flexible bounce angles tilt -7 to +90° and rotate 180°
  • Faster recycling delivers 1.1 to 1.5× improved continuous shooting

Specifications

BrandCanon
SeriesSpeedlite
ModelSPEEDLITE 600EX II
Part1177C002
SpecificationsNumber of Flashes: Approx. 100–700 flashes.
CompatibilityType-A EOS cameras (E-TTL II / E-TTL autoflash)
Type-B EOS cameras (TTL autoflash)
Guide NumberApproximately 49.2 ft. at ISO 100.
Maximum Guide No. is approximately 196.9 ft. at ISO 100 and 200mm flash coverage.
When the extendable wide panel is pulled out, the flash coverage is 14mm.
AF-assist BeamSystem:
Infrared AF-assist beam
Compatible AF System:
TTL second image formation phase-difference AF
Supporting 1 - 65 AF points (28 mm or longer focal length)
Phase-difference AF during viewfinder shooting
Quick mode during Live View shooting or movie shooting
Effective Range (Approx.):
At center: 2.00 - 32.8 ft.
At periphery: 2.00 - 16.4 ft.
Recycling TimeNormal flash: 0.1 - 5.5 sec.
Quick flash: 0.1 - 3.3 sec.
Power SourceFour AA-size / LR6 alkaline or AA / HR6 Ni-MH batteries
ColorBlack
FeaturesZoom flash head covers a wide range of 20-200 mm; maximum guide number is 197 ft. at ISO 100.
Improved performance of continuous flash by approx. 1.1 to 1.5X for fast firing (up to 2.0X if used with optional Compact Battery Pack CP-E4N).
Wireless flash shooting support is available for both radio and optical transmission, offering users greater functional range when using a flash.
Multiple flash system allows control of up to five groups of flashes.
Dust- and water-resistant body for reliable operation in various environments.
New features include a flash-readiness indicator on displ
DimensionsApprox. 5.64" x 4.83" x 3.10"
Weight0.96 lb.
Shipping weight1.13 kg
Package size194 × 173 × 130 mm

Questions about this item

What radio standard does the 600EX II-RT use and what does it replace?

The flash uses 2.4 GHz two-way radio transmission and replaces line-of-sight optical systems, so obstacles no longer block wireless triggering.

What are the dimensions and weight that determine if it fits on my camera?

It measures approximately 5.64" x 4.83" x 3.10" and weighs 0.96 lb, so it fits any standard hot-shoe with enough clearance above the viewfinder.

How do I install the batteries and what mistake should I avoid?

Load four AA alkaline or Ni-MH cells into the battery compartment; the common error is mixing old and new cells, which shortens recycle time to the 5.5-second worst case.

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