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The Canon 70D’s built-in flash is fine for quick fill light, but a dedicated speedlite unlocks bounce flash, off-camera lighting, and far more power for events, portraits, or real estate work.
| # | Product | Price | Where to buy |
|---|---|---|---|
| 1 | Canon Speedlite 600EX II-RT | $500-$580 | Amazon · eBay |
| 2 | Godox V860III-C | $170-$220 | Amazon · eBay |
| 3 | Neewer NW-670 | $60-$90 | Amazon · eBay |
| 4 | Yongnuo YN560 IV | $50-$70 | Amazon · eBay |
The picks, in detail
Canon Speedlite 600EX II-RT
Canon’s own flagship flash, the gold standard for native compatibility and weather-sealed reliability.
- Full E-TTL II compatibility
- Built-in radio wireless transmitter/receiver
- Weather-sealed body
- Unmatched native reliability with Canon bodies
- Excellent build quality for pro use
- Most expensive option here
Godox V860III-C
The smarter buy for most 70D owners — full E-TTL II support with far better battery life than Canon’s own flash.
- Li-ion battery, up to ~480 full-power flashes per charge
- ~1.5 second recycle time
- Built-in 2.4G X-System wireless
- Excellent value vs. Canon’s native flash
- Modern wireless ecosystem for off-camera lighting
- Third-party TTL occasionally lags behind firmware updates for newest Canon bodies
Neewer NW-670
A genuinely capable budget flash with full E-TTL, ideal for beginners learning off-camera flash.
- Full E-TTL compatibility
- Includes diffuser and stand
- Manual and TTL modes
- Very affordable entry point
- Comes with accessories to start shooting immediately
- Build quality and recycle time trail the pricier options
Yongnuo YN560 IV
A rugged, fully manual flash favored by budget-conscious shooters comfortable setting power by hand.
- Manual-only operation (no TTL)
- Built-in wireless manual trigger receiver
- Durable, simple build
- Very cheap for the power output
- Reliable manual flash for off-camera setups
- No TTL automation — requires manual exposure adjustment
Buying tips
- The 70D’s pop-up flash has a wireless ‘Master’ function that can trigger certain compatible flashes without an extra transmitter.
- For fully reliable wireless triggering, a dedicated radio transmitter (like Godox’s X2T-C) is more consistent than the built-in optical master mode.
- E-TTL compatibility matters most for beginners; experienced users comfortable with manual power (like on the YN560 IV) can save real money.
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