GODOX iM20 Mini Flash for Camera w/Built-in Battery, Conpact & Portable GN10/470 mAh USB-C Charging & Universal Hot Shoe Compatible with Sony zve10,zv1,a7iii/Ricoh gr3,gr3x/Fujifilm f1
Quick take
The GODOX iM20 is a tiny shoe-mount flash built for portability, with a built-in rechargeable battery, USB-C charging, five manual power levels, and fast recycling. It’s a good match for Sony (listed models), Ricoh GR series (listed models), and Fujifilm cameras that use a standard hot shoe, especially if you want simple off-camera style flexibility without carrying extra batteries. The main tradeoff is that it’s manual-only, not water resistant, and some lens setups can block the flash head unless you use a hot-shoe riser.
Pros and cons
Pros
- Ultra-light, compact design (31 g for iM20) that stays easy to travel with.
- Built-in rechargeable battery with USB-C charging, rated up to 440 full-power flashes.
- Five adjustable manual power levels (1/1 to 1/32) for quick brightness control.
- Fast recycle time, about 3 seconds at full power.
Cons
- Manual exposure control only, no TTL features listed.
- Not water resistant, so it’s not ideal for wet outdoor shoots.
- Compact low-profile design can be blocked by some lens barrels, and a hot-shoe riser may be needed.
What buyers think
Buyer-review evidence is limited to a handful of snippets, but the themes are consistent: the flash is praised for being small and travel-friendly, offering plenty of brightness for its size, and delivering images they consider noticeably improved. People also mention the adjustable power levels as useful, and several buyers highlight how easy it is to attach and use on compatible Sony cameras. There is limited evidence about durability and long-term reliability, and buyer feedback on very specific technical performance (like consistency across long sessions) is not detailed.
What this flash is for
The iM20 is designed for simple, on-camera “fill flash” and compact event or street use. It gives you a controlled burst of light through a standard hot shoe, with manual power steps to dial in brightness without needing complex settings. If you like traveling light or you shoot vlogs, portraits, or quick casual sessions where you want an extra light source immediately available, this form factor is the point.
Key features that matter in real use
Built-in battery with USB-C convenience
Instead of swapping disposable batteries, the iM20 uses a 470 mAh internal lithium battery. It’s designed to recharge via USB-C and is rated for up to 440 full-power flashes. That makes it easier to keep a shooting kit compact, as you can top off from common USB power sources before or during trips.
Five manual power levels
You get five power settings (1/1 through 1/32). That’s practical for quickly adapting to changing scenes, like brighter daylight fill versus darker indoor conditions, without the learning curve of more advanced exposure automation.
Quick recycle for faster shooting
The flash is rated for about a 3-second recycle time at full power. That’s helpful if you’re taking bursts, capturing moving subjects, or doing rapid head-and-shoulders portraits where you want the next shot ready sooner.
Low-profile design, and when it can become a problem
Because it’s built to sit compactly on the hot shoe, some longer focal length or larger lens setups can block the flash output. In those cases, elevating the flash with a hot-shoe riser can improve the fill-light path. A riser is sold separately, so it’s worth considering if your lens barrel often sits close to the top of the camera.
Compatibility and limitations
Hot shoe compatibility
This is a hot-shoe mount flash, intended for cameras with a standard hot shoe. The listing highlights compatibility with specific camera lines (including listed Sony models, Ricoh GR series models, and Fujifilm models). It also explicitly notes it is not for ZV-1F.
Manual-only control
Exposure control is manual, so you’re responsible for choosing the power level. If you rely on TTL automation for fast, variable lighting, you may want to look for a TTL-capable flash in the same category.
No water resistance
It is not water resistant, so it’s best treated as indoor-friendly and dry-weather gear, or something you protect if conditions get unpredictable.
Pros and cons recap
- Best for: travel, street photography, vlogging, and simple on-camera flash fill where you want a compact flash with USB-C charging and manual power control.
- Not ideal for: photographers who need TTL automation, frequent rainy/outdoor shooting without protection, or anyone whose lens setup regularly blocks the flash output without adding a riser.
Verdict: should you buy the GODOX iM20?
If you want a tiny shoe-mount flash that stays out of the way, charges via USB-C, and gives you quick manual brightness control, the iM20 is a straightforward option. It’s especially appealing for shooters using the listed hot-shoe compatible camera models who prefer keeping flash gear minimal. Just be sure you can work with manual power settings, and double-check your lens height and framing, since a hot-shoe riser may be necessary to prevent the light from being obstructed.
FAQ
Is the GODOX iM20 TTL or manual only?
It uses manual exposure control (power levels 1/1 to 1/32). TTL is not listed as a feature.
How do you charge the iM20?
It has a built-in rechargeable battery and recharges via USB-C.
How many flashes can you get per charge?
It is rated up to 440 full-power flashes on its built-in battery capacity.
Will this fit my camera?
It’s designed for cameras with a standard hot shoe. The listing highlights compatibility with specific Sony, Ricoh GR series models, and Fujifilm models, and it explicitly notes it is not for ZV-1F.
Do I need a hot-shoe riser?
Not always, but with some longer focal length or larger lenses, the lens barrel can obstruct the flash output. If that happens, using a hot-shoe riser can help keep the flash light path clear (the riser is sold separately).
Is the flash water resistant?
No, it is not water resistant.
Specifications
| Product Title | GODOX iM20 Mini Flash for Camera w/Built-in Battery, Conpact & Portable GN10/470 mAh USB-C Charging & Universal Hot Shoe Compatible with Sony zve10,zv1,a7iii/Ricoh gr3,gr3x/Fujifilm f1, NOT for ZV-1F |
|---|---|
| Category | Electronics > Camera & Photo > Flashes > Shoe Mount Flashes |
| Brand | EACHSHOT |
| Manufacturer | Godox |
| Model Name | iM20 |
| Model Number | Godox iM20 |
| Color | Black |
| Item Weight | 0.03 Kilograms |
| Compatible Mountings | Sony zve10,zv1,a7iii/Ricoh gr3,gr3x/Fujifilm f1, NOT for ZV-1F |
| Flash Sync Speed | 1/250s |
| Connectivity Technology | Wired |
| Guide Number | ≈12 (IS0100, in meters) |
| Wireless Technology | Optical Pulse |
| Mount Type | Hot Shoe Mount |
| Item Dimensions D x W x H | 1.16"D x 1.5"W x 1.54"H |
| Compatible Devices | Any camera with a standard hot shoe mount |
| Audio Recording | No |
| Maximum Shutter Speed | 1/200 seconds |
| Exposure Control Type | Manual |
| Water Resistance Level | Not Water Resistant |
| Viewfinder Type | LCD screen |
| Camera Flash | Hotshoe |
| Built-In Media | Godox iM20 Flash Body,Storage Bag,USB-C Charging Cable,Manual |
| Unit Count | 1.0 Count |
| Manufacturer Part Number | EA702852 |
| Included Components | Godox iM20 Flash Body,Storage Bag,USB-C Charging Cable,Manual |
Available variants
Color
- White
- Black
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