Metz mecablitz M400 Flash for Olympus/Panasonic Cameras

Model #MZ M400O

Metz Warranty
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Packaging Info

Package Weight 0.85 lb
Box Dimensions (LxWxH) 5.6 x 4.4 x 4.3"

General Information

Exposure Control Manual, TTL
Vari-Power 1/1 - 1/256
Bounce Head -9° to +90°
Swivel Head 360°
Coverage 12 mm - 105 mm (Full frame)
Zoom Head Full frame: 24 mm - 105 mm
Off-Camera Terminal None
Recycle Time Approximately 0.1 - 3.2 seconds
Mount Shoe
Flash-Ready Indicator Yes
Compensation -3 EV to +3 EV (in 1/3 EV steps)
Wireless Communication Channels 4 Channels
Wireless Groups 3 Groups
Power Source 4x AA Alkaline, Lithium, Rechargeable NiMH Batteries
Dimensions (WxHxD) 2.6 x 3.7 x 3.4" / 65.0 x 94.1 x 86.8 mm
Weight 7.76 oz / 220 g without batteries
Flash Duration 1/900 - 1/25000 sec
Guide No. 131.23' (40 m) ISO100 at 105 mm position
User Reviews
B h photo.34921152
22 March 2017

This works perfectly on Fuji X-T2 after upgrading to FW 1.1. HSS and TTL works flawlessly and the exposure is correct up to 1/8000 shutter speed. Almost no compensation is needed in most situations. The build quality is excellent. Though it is made of plastic, no cheap feeling at all.

B h photo.34921152
21 December 2016

Love this flash - solid and much smaller and lighter than my SB700. Very intelligent and intuitive user interface. It has a metal locking hot shoe foot, and off-camera usage is xlnt. The cons are minor, and include: - no manual included - you'll have to find the Metz website and download the manual.

B h photo.34921152
28 January 2017

The build quality is excellent. It's a joy to use with the quick andintuitive display. The zoom feature works with latest OMD EM1ii. Turning off AF illuminator in camera turns off flash AF illuminator for the flash. Solid communication. Output and TTL are on point.

B h photo.34921152
3 January 2017

Works great with my a6300. Nice and compact with enough power for stills and fills. Compact with a low profile look great with the a6300 and doesn't make the camera too top heavy. Used it for 2nd shutter drag and the images were great.

B h photo.34921152
27 January 2017

A half-price alternative to the newest Fuji TTL flash unit. Initial impressions are very good. Build quality is excellent. Metal flash shoe a plus. Flash head rotation and angle movements work well. Bounce card and wide angle diffuser do their job.

B h photo.34921152
13 May 2019

I have the Olympus version that I use with a OM-D E-Mark 5ii. After updating firmware, every function works great - on camera, as slave and master with Olympus flashs. Much more power and flexibility than Olympus 300R but still small. Very happy.

B h photo.34921152
19 May 2018

Firmware v1.3 still has not fixed the GN Mode problem. However it did add an open flash option (hold down the Mode button for a few seconds).FWIW, I also use the M400 (Nikon version) on my Oly Pen-F in manual mode.

B h photo.34921152
21 March 2018

Nice flash. Very easy to use on my Fuji X-T2. The battery compartment door is a bit odd. I hope it will last.

B h photo.34921152
26 May 2017

I have been looking to replace my Panasonic Flash with cracked Plastic Hot shoe post. This flash looks and feels sturdy. So far, no problem with TTL or Auto flash modes.

B h photo.34921152
24 May 2017

Metz has verified that the Guide Number mode is not functioning properly when used in Feet setting. This will be fixed via a firmware update in the future. Workaround is to use Meter units; or better still, use Manual mode which has the same function as GN mode - i.e.

Product Highlights
  • Compatible with Olympus/Panasonic TTL
  • Guide Number: 131' at ISO 100 and 105mm
  • Zoom Range: 24-105mm (12mm with Panel)
  • LED Video Light with 6 Output Levels
  • Tilts from -9 to 90°
  • Rotates Left & Right 180°
  • Wireless Master/Slave TTL Functionality
  • OLED Display & Micro-USB Port
  • Recycle Time: 0.1-3.2 Seconds
  • Slow, High-Speed, 1st & 2nd Curtain Sync
In The Box
  • Metz mecablitz M400 Flash for Olympus/Panasonic Cameras
  • Stand
  • Bag
  • Limited 1-Year Warranty
Still Have Questions?
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