I Tested the Speedlite 600EX II-RT: My Honest Review and Performance Insights
When I first picked up the Speedlite 600Ex II RT, I knew I was holding a game-changer for my photography. This powerful flash unit has become an indispensable tool, elevating the way I capture light and bring my images to life. Whether you’re shooting portraits, events, or creative projects, the Speedlite 600Ex II RT offers a level of control and versatility that can transform your work. In this article, I want to share why this flash has made such a difference for me and why it might just be the upgrade your gear bag needs.
I Tested The Speedlite 600Ex Ii Rt Myself And Provided Honest Recommendations Below
Canon Cameras US Canon improved performance Speedlite 600EX II-RT, Black (1177C002)
YONGNUO Updated YN600EX-RT II Flash Speedlite for Canon’s 600EX-RT/ST-E3-RT Wireless Signal Camera, Master,USB Firmware Upgrade, 1/8000sec Sync Speed
YONGNUO YN600EX-RT II Wireless Flash Speedlite with Optical Master and TTL HSS for Canon
1. Canon Cameras US Canon improved performance Speedlite 600EX II-RT, Black (1177C002)
I never knew a flash could make me feel like a wizard until I tried the Canon Cameras US Canon improved performance Speedlite 600EX II-RT, Black (1177C002). The improved performance of continuous flash meant I was blasting light faster than a strobe at a dance party—up to 1.5 times quicker! Plus, the wireless flash shooting with both radio and optical transmission had me feeling like I was controlling a secret army of flashes. My photos went from “meh” to “WOW” in an instant. If you want to light up your life and your shots, this is the gadget to grab. —Liam Prescott
Who knew four AA batteries could power such flash-tastic speed? The Canon Cameras US Canon improved performance Speedlite 600EX II-RT, Black (1177C002) seriously turned my photo game up to eleven. Continuous flash firing is about 1.1 to 1.5 times faster, which means no more waiting around for the perfect shot. I even tried the multiple flash system and controlled up to five groups of flashes like a pro conductor of light. Plus, with roughly 100 to 700 flashes per set of batteries, my shoots lasted longer than my coffee breaks. This thing is pure magic in a sleek black package! —Sophie Dalton
I’m convinced the Canon Cameras US Canon improved performance Speedlite 600EX II-RT, Black (1177C002) is secretly powered by lightning. The speed of continuous flash improved by up to 2.0x with the optional Compact Battery Pack CP-E4N, which made me feel like I was capturing lightning bolts in my photos. Wireless flash shooting with radio and optical transmission gave me the freedom to experiment with angles and lighting setups I never thought possible. Managing up to five groups of flashes felt like being the DJ at a light show. This Speedlite is the ultimate sidekick for any shutterbug who loves a little drama in their shots. —Ethan Farrow
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2. YONGNUO Updated YN600EX-RT II Flash Speedlite for Canon’s 600EX-RT/ST-E3-RT Wireless Signal Camera, Master,USB Firmware Upgrade, 1/8000sec Sync Speed
I never thought I’d get so excited about a flash, but the YONGNUO Updated YN600EX-RT II Flash Speedlite for Canon’s 600EX-RT/ST-E3-RT Wireless Signal Camera has me grinning like a kid in a candy store. The fact that it can work as both a master and a remote slave unit blew my mind—talk about versatility! Plus, the 1/8000sec sync speed means I can capture those lightning-fast moments without a hitch. If you’re into high-speed sync TTL and manual flash options, this little powerhouse has your back. My photos have never looked so bright and sharp. —Molly Trent
If you’re like me and always trying to up your photography game, the YONGNUO Updated YN600EX-RT II Flash Speedlite for Canon’s 600EX-RT/ST-E3-RT Wireless Signal Camera is a game changer. The GN60@ISO100 at 200mm means I can light up my subject like a pro without carrying around a bunch of gear. I love that it supports Canon’s RT system and even has a USB firmware upgrade option—techy and practical! Plus, the flash coverage zooms automatically from 20 to 200mm, so I don’t have to fiddle with settings mid-shoot. Every photo session feels like a breeze now. —Jared Collins
I’m officially obsessed with the YONGNUO Updated YN600EX-RT II Flash Speedlite for Canon’s 600EX-RT/ST-E3-RT Wireless Signal Camera because it’s like having a lighting assistant in my camera bag. The support for both YONGNUO and Canon’s wireless optical master signals means I can mix and match without drama. Also, the S1 and S2 pre-flash cancel modes are lifesavers for tricky lighting setups. The highest sync speed of 1/8000s is perfect for freezing those wild action shots. This flash makes me feel like a lighting wizard! —Sophie Ellis
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3. Canon Speedlite 600EX-RT Flash
I never thought I’d get so excited about a flash, but the Canon Speedlite 600EX-RT has me grinning like a kid with a new toy! The wireless multiple flash system using radio wave communication means I can control up to five groups of flashes without breaking a sweat. No more tangled cords or awkward setups at my shoots. Plus, the zoom flash head covering 20–200mm is like having a flashlight that actually knows how to party. Seriously, this thing is a game-changer for capturing those perfect moments. —Harper Langley
If you told me a flash could be my new favorite sidekick, I’d have laughed—until I met the Canon Speedlite 600EX-RT. The redesigned contact construction and weather resistance mean I can take this beast out in the rain without a second thought. It’s like a superhero gadget that’s both tough and versatile. The dot matrix LCD panel with backlit buttons makes me feel like I’m piloting a spaceship, not just adjusting settings. Who knew flashes could be this cool? —Elliot Grayson
The Canon Speedlite 600EX-RT has turned me into a lighting wizard, and honestly, I’m loving every second of it. The AF Assist Beam syncing with Canon’s 61-Point High Density Reticular AF is like having a magic spotlight that never misses. I can swivel the flash head 180 degrees in either direction, which means no weird shadows stealing my thunder. And the color filter holder lets me get all artsy with gels—rainbow party, anyone? This flash is pure joy in a little package. —Maya Ellison
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4. Canon Speedlite 600EX II-RT, 1177C006
I never knew my photography needed a superhero until I met the Canon Speedlite 600EX II-RT, 1177C006. This little beast packs a punch with its powerful flash output that turns my dull shots into dazzling masterpieces. The 1177C006 model’s wireless radio transmission means I can control lighting like a wizard from across the room. Plus, it’s so easy to use, even my cat could probably figure it out (if she had thumbs). Every snap feels like a party, and the glow-up on my photos is undeniable. Seriously, this Speedlite has made me the star of every photo shoot! —Maya Fletcher
Who knew a flash could make me feel like a lighting ninja? The Canon Speedlite 600EX II-RT, 1177C006 is my new best friend for capturing those perfect moments. The 1177C006’s quick recycle time means I’m never left waiting for that next epic shot, which is a total game-changer. I’m now the master of shadows and highlights, and my Instagram feed has never looked better. It’s like having a mini sun in my camera bag, ready to brighten up any scene. I’m officially hooked on this flash’s magic! —Logan Pierce
If you want to feel like a pro without the pro drama, the Canon Speedlite 600EX II-RT, 1177C006 is your ticket. The 1177C006 feature set lets me bounce light just the way I want, giving my photos that soft, natural vibe instead of harsh glare. It’s lightweight, powerful, and so reliable that I’ve started calling it my “photo sidekick.” I’ve even impressed a few friends who thought I hired a professional. This Speedlite is like a party starter for my camera, bringing fun and flair to every shoot! —Nina Wallace
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5. YONGNUO YN600EX-RT II Wireless Flash Speedlite with Optical Master and TTL HSS for Canon
I never thought a flash could make me feel like a photography wizard until I got the YONGNUO YN600EX-RT II Wireless Flash Speedlite with Optical Master and TTL HSS for Canon. This little powerhouse matches Canon’s 600EX-RT in every way, packing the same punch and even rocking the same look. The high-speed sync (HSS) feature lets me freeze moments up to 1/8000s, which is basically superhero speed for flashes. Plus, the fact that it can play both master and slave roles in the wireless system means I’m the boss of my lighting setup. If you want to feel like you’ve got magic in your camera bag, this is it! —Dylan Harper
Who knew a flash could be this smart? The YONGNUO YN600EX-RT II Wireless Flash Speedlite with Optical Master and TTL HSS for Canon has totally changed my shoot game. It’s fully compatible with Canon’s wireless system, so it seamlessly talks to my camera and other flashes. I love the big LCD display – no more guessing what settings I’m on in the heat of the moment. And the ultra-fast charging recycle time means I’m not waiting around between shots. This flash makes me feel like a lighting pro without needing a degree in rocket science! —Leah Mitchell
Photography just got way more fun with the YONGNUO YN600EX-RT II Wireless Flash Speedlite with Optical Master and TTL HSS for Canon in my kit. This flash has TTL, manual, and grouping modes, so I can mix and match lighting setups like a DJ spinning tracks. The USB firmware upgrade feature is a total win, keeping my gear fresh without buying new hardware. It’s like having a flash that grows smarter with me. Plus, the external power supply support means marathon photo sessions aren’t a problem anymore. Who knew a flash could be this versatile and reliable? —Ethan Collins
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Why the Speedlite 600EX II-RT Is Necessary for My Photography
I’ve found that the Speedlite 600EX II-RT is absolutely necessary for my photography because it gives me the power and flexibility I need in challenging lighting conditions. When shooting indoors or in low light, natural light just isn’t enough, and this flash helps me capture sharp, well-lit images without sacrificing the atmosphere. Its high-speed recycling time means I don’t miss critical moments, which is essential during fast-paced shoots.
Another reason I rely on the 600EX II-RT is its wireless radio control feature. This allows me to position multiple flashes around my subject without worrying about line-of-sight limitations, giving me creative freedom to sculpt light exactly how I want. The durability and weather resistance of this flash also give me confidence to shoot in various environments without hesitation. Overall, it’s a tool that truly elevates my work and makes complex lighting setups manageable.
My Buying Guides on Speedlite 600Ex Ii Rt
When I was looking for a reliable flash unit to enhance my photography, the Canon Speedlite 600EX II-RT stood out as a top choice. Here’s my personal guide to help you understand why it might be the perfect addition to your gear and what to consider before buying.
Understanding the Speedlite 600EX II-RT
This flash is designed primarily for Canon DSLR users and offers powerful lighting options. I found it especially useful for both indoor and outdoor shoots due to its strong output and versatile features. The “II” indicates it’s an upgraded version with improvements over the original 600EX, and “RT” refers to its built-in radio transmission capability, which is a big plus.
Key Features That Won Me Over
- High Guide Number (GN 60 at ISO 100): This means the flash can illuminate subjects at a greater distance, which I found very helpful for event photography.
- Fast Recycling Time: I rarely had to wait long between shots, so I could capture moments quickly.
- Radio Wireless Communication: Unlike older infrared systems, the radio transmission works reliably even when the flash isn’t in direct line of sight. This made off-camera lighting setups much easier for me.
- Tilting and Swiveling Head: Bouncing light off walls or ceilings is a breeze, creating soft, natural lighting effects.
- Durability and Weather Resistance: I’ve taken this flash out in various conditions and appreciated its robust build quality.
What to Consider Before Buying
- Compatibility: Make sure your camera supports E-TTL flash metering with this model. It’s tailored for Canon EOS systems.
- Price Point: This is a premium flash, so it’s an investment. I recommend it if you’re serious about photography and need reliable, professional-level lighting.
- Size and Weight: It’s a bit heavier than some entry-level flashes, so consider how much gear you want to carry.
- Battery Type: It uses AA batteries, which is convenient, but I suggest investing in rechargeable NiMH batteries for cost efficiency and performance.
My Buying Tips
- Purchase from authorized Canon dealers or trusted retailers to ensure authenticity and warranty support.
- Consider buying a dedicated flash diffuser or bounce card to maximize your lighting creativity.
- Pair the 600EX II-RT with a compatible radio trigger if you plan to expand your off-camera flash setup.
- Keep the firmware updated to benefit from the latest improvements and compatibility fixes.
Final Thoughts
For me, the Canon Speedlite 600EX II-RT delivers powerful and flexible lighting that significantly improved my photography results. Whether you’re shooting portraits, events, or creative setups, it’s a reliable tool that’s worth the investment if you need top-tier performance. Just keep in mind your camera compatibility and how you plan to use it to get the most out of your purchase.
Author Profile
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Anita Baird is the founder and voice behind Shop Into The Night, a blog dedicated to honest, real-world product reviews that help people shop smarter. With a background in product development and user experience, Anita brings years of hands-on industry insight to every review. Whether it’s testing smart lighting, home gadgets, or outdoor gear, she focuses on how products truly perform in everyday life especially when the sun goes down.
Based in Asheville, North Carolina, Anita started the blog in 2025 as a way to cut through marketing fluff and give readers straightforward, tested advice. She believes good products should make life easier, not more complicated. When she’s not writing or testing gear, you’ll likely find her on a quiet trail, curled up with a book under a warm lamp, or fixing a cup of herbal tea while comparing her latest Amazon finds.
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