Interfit Photographic EXD400 400 Watt Second Monolight Flash Head with Reflector

Interfit Photographic

List Price: $308.99

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About Interfit Photographic EXD400

The Interfit EXD400 Digital Flash Head (110V AC) is another step forward in the evolution of the EX flash system. The lightweight, economical monolight gives you a total of 400W/s of power, with precise power adjustment in 1/10 f-stop increments and a 6 f-stop range, providing excellent control over your lighting. Fan-cooling extends the life of both the 100W modeling light and the user-replaceable flash tube. A built-in slave cell responds to flash or to the optional infrared transmitter and audible and visible signals alert you when the flash is fully recycled.

It even has a program that overcomes the problem of pre-exposure flash from a camera setting off your flashes prematurely. The EXD400's Auto-Dump feature discharges extra power in the capacitors, the second you turn down the power. The EXD400 comes with an umbrella reflector, built-in ergonomic handle and a flash tube transport cover.

Summary of Customer Reviews

Customers most agreed on the following attributes:
Good power output (3)
Best Uses:
Indoors (3)

Interfit Photographic EXD400 Features

  • Adjustable over 6 f-stops
  • 5V sync voltage
  • Easy-to-use touch-button controls
  • Rubberized finish
  • 1/10th f-stop adjustment
  • Halogen modeling lamp
  • User-changeable flash tube
  • Built-in flash-sensitive slave cell
  • Special pre-flash monitor program
  • Audible and visual recharge indicators
  • Auto power dumping on flash discharge

Interfit Photographic EXD400 Specifications

Maximum Watt/Seconds
Guide Number
196' (60 m) @ ISO 100
Color Temperature
5600K +/- 200K
Recycle Time
1.5 seconds
Flash Variability
6 stops: full to 1/32 power
User Replaceable Flashtube
Changeable Reflector
Modeling Light Wattage
100W, proportionate, on, off
Flash Ready Indicator
Yes, audible and visible
Operating Voltage
110V AC
Built-in Slave Cell
Yes, optical
Range 30' (10 m)
Sync Line Voltage
Power Requirements
110V AC
Circuit Protection
Yes, 6.3A fuse
Fan Cooled
Auto Dump
Head with reflector: 10.5 x 8.0 x 5.0" (266.7 x 203 x 127 cm)
5.0 lb (2.26 kg)
Mfr #

Interfit Photographic EXD400 Reviews

Reviewed by 3 customers




from Philadelphia, PA  -  Semi-pro Photographer

This kit is a outstanding deal! They work great! Nice that they include a softbox and umbrella although I've seen better umbrellas. Nice package and carry bag. For comparison sake I have Elinchrom lights. Much to my disappointment one head was defective. No issue with these. I recommend ike these.


These lights give more than expected


from Vancouver Canada  -  Photo Enthusiast

I bought this product because I needed more power for both off site sittings and on site weddings (and I'm tired of using flashes for a light source all the time). I found these lights awesome and easy to use. Great power and 3 simple ways of using it with your camera, plug in, infared & wireless. My only con was the during shipping the rear handles that help you tilt the light to where you need it were broken off, wrecking the housing of the light where they were connected. Because of the built in fan they were not too hot to handle and worked well. I would suggest to the packers shipping items to pack the item in a bigger box stuffed with your air packing material to prevent the shippers from banging it around in route, the original box was only packed in a slightly bigger box but with none of the air packing material you use in smaller shipping items.


Best bang for the buck


from Byron, GA  -  Semi-pro Photographer

I've done a fair bit of research and for the price these are flat out the best bang for the buck. Yes there are better lights out there. Yes there are cheaper lights out there. These represent the best balance between the two worlds. The modeling lights are fully dimable, they have fan cooling, and each is rated at 400 w/s which is more than enough power to cover anything i've encountered so far. I did have the reflectors that come with this kit both horribly smashed in transit, but adorama did remedy the problem with minimal hassle. The bottom line is, if you are looking for the best balance between features and price, as of right now, this is it.


Questions & Answers Powered by TurnTo®

Questions about this item:

Shopper  can i use the pocket wizard with this unit?
Shopper  What is the Recycling time for this unit?
Andrew R  Recycle Time 1.5 seconds
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