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AD400 PRO Flash with 85cm Collapsible Diffuser Ball (CS-85D)

SKU: A-160504-01


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The AD400 PRO Flash Photo with 85cm Diffuser Ball (CS-85D) is a professional portable flash lighting set-up that creates soft and diffused omni-directional lighting. The GODOX Witstro AD400PRO Flash Photo is a Revolutionary Battery-Powered TTL Studio Flash, featuring a Self-Contained Rechargeable Battery. This High-Speed Studio Powerful Stroboscopic Flash gives access to TTL Auto-Exposure which quickly provides you with the perfect exposure. It also has Insulated-Gate Bipolar Transistor (IGBT) technology to achieve Short Flash Durations, as well as Fast Recycle Times. The included CS-85D 85cm Collapsible Omnidirectional Lantern Diffuser produces soft, Omnidirectional lighting which will give your images a very natural look to them. This kit is perfect for lighting up a large space for fields such as architecture, interiors, portraits, and events.

AD400 PRO Flash Photo

Power: At 400Ws of power controllable from 1/256th power which means you can go as low as 1.5W for many possibilities.

Flash Duration: It offers an impressive flash duration of up to 1/ 12,820s giving a sharper image, great for capturing movement or motion.

Recycle Times: At just 0.01-1s you will not need to worry about a long wait in between shots to ensure shots are not missed.

HSS: Overpower the sun with HSS to make shooting outdoors not an issue, reducing ambient light and getting the shot you want.

TTL: Get the correct exposure automatically to make worrying about settings not an issue, ideal for those shooting in changing conditions.

Battery Capacity: the 2600mAh rechargeable battery will give approximately 390 full powered flashes, to get you through almost any shoots without having to constantly change the batteries.

Multi-flash mode: AD400PRO can be set to between 2 and 100 flashes at a frequency between 1 and 100Hz (flashes per second), which allows you to create many different effects such as stroboscopic photography.

CS-85D Diffuser Ball

Omnidirectional: The CS-85D’s spherical Lantern design enables it to produce stunningly soft, even omnidirectional lighting that emanates in all directions.  With a beam angle of 270°, this light modifier is ideal for shooting videos, live-streaming, and filmmaking, whether you want to illuminate a small space or a larger video set.

Extremely Fast Set Up: Thanks to its flexible steel frame and durable design, this lantern diffuser can be quickly and easily with very little hassle. It can be popped open or closed in a few seconds, making it ideal for run-and-gun photographers and videographers who need to be able to get in and out quickly. 

Compatibility: Bowens S-Type mount, making it compatible with a wide array of Studio Flash Strobes and LED lights currently on the market.

The AD400 PRO Flash Photo with 85cm Diffuser Ball (CS-85D) is the ideal solution for any Photographer aiming to light up a large area with a portable yet powerful light.


Distributed By EssentialPhoto

We are proud to now stock Godox branded lights as distributed by EssentialPhoto, this means that you will get Godox but with everything that you loved with the service of EssentialPhoto, including a 2-year warranty and UK customer support.


For more information on the products included within this AD400 PRO Flash Photo with 85cm Diffuser Ball (CS-85D) kit please see the links below:


CS-85D Diffuser


• Produces 360° lighting like that of bare bulb, only softer
• Colour neutral so it won’t affect the colour temperature of your lighting
• New & Improved Integrated Godox 2.4GHz Radio Transceiver System for full TTL metering.
• Compatible with the GODOX X System
• Stable Color Mode to give you an accurate colour temperature of 5600˚K ±75˚K
• Utilises IGBT technology for Super-Short Flash Durations, great for freezing motion.
• High Speed Sync mode up to 1/8000th
• High Guide Number of GN71 (at ISO 100 with Standard Reflector)
• Large Dot Matrix LCD Display
• Powerful 30W LED modelling lamp with proportional, variable and synced control.
• 390 Full Power Flashes (With AD400 PRO Battery)
• Ultra-short Recycle Times of between 0.01– 1 Seconds.

What’s In the Box

• 1x AD400PRO Flash Head
• 1x Flash Tube
• 1x Lithium Battery Pack
• 1x Battery Charger
• 1x AD400Pro Standard Reflector
• 1x Power Cord
• 1x S-Type Mount Adapter
• 1x Lamp Cover
• 1x Allen Key
• 1x Carry Case
• 1x CS-85D Lantern Diffuser
• 1x CS-85D Carry Case


Maximum Power400Ws
Guide Number71m @ ISO100 with Standard Reflector
Colour Temperature5600 ± 75k
Flash Duration    
1/240s - 1/12,820s (T0.1)
Recycle Times
0.01 – 1 Second Recycle Time
Manual Flash Power Range
1/1 - 1/256 (1/10 Stop Increments)
Power Source
Built in (removable) 21.6v/2600mAh Lithium-ion Battery
Number of Flashes
Approx. 390 Full Powered Flashes Per Charge
LED Modelling Bulb Output
Battery Recharge Time
Approx. 2 hours to fully charge from empty.
Flash Modes
TTL (Canon, Nikon Sony, Olympus, Panasonic, Fujifilm) / M / Multi
High Speed Sync
Up to 1/8,000s
Flash Exposure Bracketing / Flash Exposure Compensation
±3 Stops (1/3 Stop Increments)
Flash Exposure Lock
Radio Frequency
2.4GHz (Compatible with Godox X System)
Radio Slave Modes
Canon, Nikon Sony, Olympus, Panasonic, Fujifilm TTL Radio Slave Modes
Work Range
80m with X1 Transmitter in Open Area
Channels (Radio)
Channels (Optical)
3 (A/B/C)
Slave Modes
Manual Slave Modes S1 & S2
Other Trigger Methods
PC Sync Port, 3.5mm Sync port, USB port (Manual Flash Support Only)
AD400 PRO Dimensions
220mm x 102mm x 128mm
AD400 PRO Net. Weight
AD400 PRO Accessory Mount    
Godox / Bowens S-Type

Delivery & Returns

UK Delivery Rates

Free UK Standard delivery on orders over £150.00*

Order Date (if received before 3pm) Cost Latest Expected Delivery Date
UK Standard Delivery (Orders over £150*)  FREE 2-4 Days
UK Standard Delivery £3.99 2-4 Days
UK Express Delivery £5.99 1-3 Days
UK Next Working Day £8.00 Next Working Day
UK Next Working Day (Guaranteed) £15 Next Working Day
UK Before 2pm Next Working Day £18.00 Before 2pm Next Working Day
UK Saturday Delivery £30.00 Saturday
UK Sunday Delivery £30.00 Sunday

View a full breakdown

PLEASE NOTE: Some products would be classed as Extra-Large ' and would require an increased shipping fee. 


EssentialPhoto is committed to the provision of quality and reliable products and outstanding customer service. Buyers are entitled to cancel the order and return the goods within 28 working days for a full refund of the purchase price of the goods.

Read our full Returns Policy

International Delivery Rates

We are able to ship from our UK based warehouses to many countries around the world. Click below to check shipping rates to your country..

PLEASE NOTE: Some products would be classed as 'Oversized Packages' or ' Extra-Large ' and would require an increased shipping fee. 

Check your country

International Delivery Rates

We are able to ship from our UK based warehouses to many countries around the world. Click below to check shipping rates to your country...

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Warranty Info

The Warranty will be based per unit and wouldn't cover multiple units in a single order. To add Warranty to multiple units, increase the number of Warranty selected in your cart. Warranty would not cover consumable parts of the unit (Such as Bulbs, Cables etc) To find out more about our Warranty, please visit here:

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