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GODOX TT685C E-TTL 2.4G Wireless Master Slave Speedlight Flashlight Speedlite for Canon EOS 650D 600D 550D 500D 5D Mark III

GODOX TT685C E-TTL 2.4G Wireless Master Slave Speedlight Flashlight Speedlite for Canon EOS 650D 600D 550D 500D 5D Mark III

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Two transmission ways, optic transmission and 2.4G wireless transmission, better to meet your needs.

Powerful flash with guide number 60m at ISO 100.
Supports multiple flash modes M/TTL/Multi.
Support high speed sync, 1st curtain snyc and 2nd curtain sync, the maximum shutter sync is up to 1/8000s.
Support optic transmission, as a master unit, it can control other speedlights, such as for Canon 580EXII, 600EX-RT via optical pulse signal; as a slave unit, it can receive signals from for 580EXII, 600EX-RT and internal flashing orders from Canon 7D/6D/600D ect.
Support 2.4G wireless radio system, can be used as on-camera master unit and slave unit, compatible with speedlite TT685C, Godox X1C, X1T-C and X1R-C flash triggers.
The 2.4G wireless triggering distance can reach up to 100m, better to meet your needs.
Support FEC/ FEB/ FE lock.
Multiple flash groups, it supports A/B/C groups.
Supports auto and manual zoom, the flash coverage can be changed between 20-200mm.
Sync port and USB port.

Model TT685C
Compatible Cameras for Canon EOS Cameras(E-TTL II auotflash)
Guide Number GN 60m(ISO 100)
Zoom Range 20-200mm auto and manual zoom(14mm with wide panel)
Adjustable Flash Head 0~360°horizontally and -7°~90° vertically
Flash Duration 1/300 to 1/20000 seconds
Exposure Control
Exposure Control System E-TTL autoflash and manual flash
FEC(Flash Exposure Compensation)

Support Manual.FEB:(1/3rd increments±3stops)

(Manual FEC and FEB can be combined)

FE Lock With <FEL> button or <*> button
Sync Mode High speed sync / 1st curtain sync / 2nd curtain sync
HSS up to 1/8000s
Flash Mode E-TTL /M /Multi
Wireless Flash(optic and 2.4G)
Wireless Flash Function Master, Slave, Off
Controllable Slave Groups 3(A/B/C)
Transmission distance(approx.) Optic

Indoors:12 to 15m

Outdoors:8 to 10m

2.4G 100m
Channels Optic 4(1,2,3 and 4)
2.4G 4(1-32)
Slave-ready indicator Two red indicators blink
Auto Focus Assist Beam
Effective Range(approx.) Center:0.6m-10m
Power Supply 4 * AA Alkaline or NIMH battery(Not included)
Recycle Time Approx 0.1-2.6s
Sync Triggering Mode Hotshoe,3.5mm sync line, wireless control port
Color Temperature 5600±200K
Item Weight 412g / 14.6oz
Item Size 19 * 7.5 * 5.0cm / 7.5 * 3.0 * 2.0in
Package Weight 556g / 19.6oz
Package Size 20 * 9 * 8cm / 7.9 * 3.5 * 3.1in

Package List:
1 * Speedlite
1 * Carrying Bag
1 * User's Manual(Chinese /English)


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  • By Rafael Zakota

    December 15, 2017

    Awsome, I had some concerns regarding "No Name" products but it works with my D750 along with the 70-200mm lens just fine. Fast and accurate metering. For this price unbeatable......I decided to go for it instead for the more expensive Nikon SB910 ( $500 (

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  • By Mohanpreet Singh

    December 6, 2017

    Great Product, Works without flash. I have become fan of Godox.

    Is this helpful? (0) (0)

  • By Z***i

    December 2, 2017

    Love that it connects to my Godox Radio transmitter with no fuss.

    Is this helpful? (0) (0)

  • By mcas

    November 21, 2017

    I've scoffed at these relatively inexpensive kinds of speedlights for years. But when I saw that this model had built-in wireless TTL control, I decided to give them a try, and was pleasantly surprised. They are just about identical to the SB-900 in terms of physical size and power, but with the added convenience of full control (manual or TTL) of remote flashes with no additional triggering devices needed. The radio control does indeed work exactly as advertised. TTL exposure accuracy is identical to the SB-900 as well. Minor complaints: • On one of the four that I ordered, the locking pin would not engage with the camera's hotshoe (so, although I could tighten it down and it would hold pretty well, it could still slide off the hotshoe). The other 3 were fine, and the replacement was fine as well. • The UI could use a little polishing. For instance, you have to push a button to cycle through the various modes (on-camea, optical master, optical slave, radio master, radio slave). I know for a fact that I am never going to use the optical mode, and I wish there was a C.Fn setting to disable it from even showing up (as it's more "pages" I have to cycle through). Also, as soon as you start cycling through these modes, the zoom setting goes to M, but does not go back to A when set back to an on-camera single or master mode as you would expect. • If a setting is changed and then the flash is switched off within several seconds, those settings are not saved and it reverts to the previous settings when switched back on. However, if you wait about 10 seconds before switching it off, the new settings ARE saved. • The focus assist beam is not as useful as Nikon's. A pattern of short diagonal line segments is projected onto the subject, and in some cases the selected focus point will not coincide with one of these marks (as opposed to Nikon's beam, which is more "solid"). Using the D750's "group" AF setting (a moveable cluster of 4 focus points instead of just 1) helps. These focus assist marks are also more "noticeable" than Nikon's, so I'll likely try to not use this feature as much (though sometimes it's unavoidable). That said, for $120 it's a no-brainer. Nikon and Canon have gotten more and more carried away in recent years in terms of speedlight pricing. And Nikon's latest flash, which finally includes radio, is crippled to the point of being unusable for most photographers. The TT685N fills this void nicely, and I'm happy with the purchase. One other nice feature is that the radio feature of this flash also works with triggering the new AD360II, a very nice Qflash-like unit.

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