Meike

Meike MK-320S Mini TTL Speedlite Flash for Sony

4.1 (258 reviews)

Tack-sharp TTL flash in a 150g body — the Meike MK-320S brings professional lighting modes to Sony mirrorless without slowing you down.

$69.99*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Meike MK-320S is built for Sony mirrorless photographers who want genuine TTL automation, practical bounce capability, and off-camera triggering options without adding a large, heavy speedlite to their kit. It's at home on an A7-series body at a wedding reception, on an A6500 at a corporate event, or mounted to an RX10 for hybrid video-and-stills work. The Sony MI hot shoe integration means TTL metering communicates properly with the camera's exposure system — you get consistent results without riding the compensation dial every few frames. The addition of S1/S2 optical slave modes and front/rear curtain sync expands the creative toolkit beyond what basic TTL flashes typically offer at this size.

Handling-wise, the MK-320S earns its place in a travel kit primarily through weight discipline — at approximately 150 grams, it barely registers on a mirrorless body. The bounce head covers the angles photographers actually use: ceiling bounce overhead, slight downward fill, and wall bounce to the side. The built-in LED operates independently as a continuous fill source, which is a practical addition for photographers who mix stills and short video clips. The micro USB charging port is a thoughtful touch — charge the flash's rechargeable batteries directly in the unit rather than managing a separate charger. For Sony shooters looking for a compact speedlite that covers the essentials reliably, the MK-320S delivers without asking you to compromise on the features that matter during a real shoot.

Key Features

FIt Sony MI Hot Shoe cameras , A3000 A5000 A5100 A6000 A6300 A6500 A7 A7R A7S A7II A7SII A7RII A7MII NEX-5 NEX-6 A77II A58 A99 A99II RX1 RX1R RX1RII RX10 RX10II RX10III RX100II HX400V HX50V

Supports manual, ttl, optical slave(s1,s2),stroboscopic mode ,front/rear curtain-sync,overheating protection,automatic sleep mode

Build-in highlight LED light can provide the auxiliary lighting for the video clips

Flash can rotate 60 - 90 degree horizontally and -7 - 90 degree vertically, weight about 150g , small and easy to carry

Support ON-Camera and OFF-Camera Flash Triggering , external Micro USB interface can be use as a port to charge the speedlite(must be rechargeable battery ) and upgrade the firmware

Specifications

Brand
Meike
Model
MK-320S
Compatibility
Sony MI (Multi-Interface) hot shoe cameras
Guide Number
32
Flash Modes
TTL, Manual, S1, S2 (optical slave), RPT (stroboscopic)
Sync Modes
Front curtain, rear curtain
Vertical Tilt Range
-7° to 90°
Horizontal Rotation
150°
Weight
~150g
Continuous Light
Built-in LED (video fill)
Charging Port
Micro USB (for rechargeable batteries)
Triggering
On-camera and off-camera (optical slave)

Pros & Cons

👍 Pros

  • TTL automation handles exposure on the fly, freeing you to focus on composition and timing during events or run-and-gun shoots
  • At roughly 150g, the flash adds minimal weight to a mirrorless kit — barely noticeable on a full day of shoulder-carry shooting
  • Bounce head with -7 to 90-degree tilt and 150-degree horizontal rotation delivers soft, directional light from a compact unit
  • Built-in LED provides usable continuous light for video without swapping accessories
  • Micro USB charging port on the flash body itself removes the need for a separate battery charger when using rechargeable AAs

👎 Cons

  • Guide number of 32 is adequate for close-range and indoor work but limits effective range in large venues or outdoor fill-flash situations
  • Optical slave triggering works well in simple setups but is susceptible to misfires from ambient light or other flashes in multi-strobe environments
  • The compact body size means no separate AF-assist beam beyond what the LED provides — autofocus in very dark conditions may be slower than with flashes featuring a dedicated AF-assist pattern
  • No built-in radio receiver, so wireless triggering beyond optical slave requires an external radio trigger system

Frequently Asked Questions

Yes — the MK-320S is built for Sony's Multi-Interface (MI) hot shoe, and TTL metering integrates with Sony's through-the-lens exposure system on supported bodies including the A7 series, A6000/A6300/A6500, A77II, and RX series. Always verify your specific body is on the confirmed compatibility list before purchasing.
Yes. The MK-320S supports both on-camera and off-camera triggering. The optical slave modes (S1 and S2) let it fire in response to another flash, and the micro USB port can be used for firmware updates as well as charging when used with rechargeable batteries.
It supports TTL (automatic metering), Manual (user-set power), S1 and S2 optical slave modes, and RPT (stroboscopic/repeating flash). Front and rear curtain sync are also supported, which is useful for creative motion blur effects.
The head tilts from -7 to 90 degrees vertically, allowing slight downward tilt through full vertical bounce toward the ceiling. Horizontal rotation goes to 150 degrees total. This gives you enough range for standard ceiling bounce and wall bounce scenarios.
Yes — the MK-320S has a built-in LED that operates as a continuous video light, independent of the flash function. It's a low-powered fill light intended for video clips rather than a substitute for dedicated video lighting.