Questions & Answers

Q: QuestionDoes this Sunpak flash have a built-in bounce card?

• A:Answer Yes, this Sunpak flash has a built-in bounce card to help you achieve suitable lighting.

Q: QuestionDoes this flash have TTL technology?

• A:Answer Yes, it features TTL technology, allowing it to communicate with your camera for intelligent illumination.

Q: QuestionWhat is the guide number of this flash?

• A:Answer This flash has a guide number of 623' at ISO 100.

Q: QuestionHow does the flash attach to my camera?

• A:Answer This flash easily attaches to your camera's hot shoe.

Q: QuestionWhat type of batteries does this flash use?

• A:Answer This flash requires 4 AA batteries, which are not included.

Q: QuestionHow do you turn the sound off? There is no option to in the manual. It’s driving me crazy, I looked online to find out and couldn’t find that anywhere either.

Asked 7 years ago by Rissaroo.

• A:Answer I just figured it out as it doesn't tell you in the manual. Hold down the fn button until you get the fn - 01-0. Press down and change fn - 14-0 to fn 14-1. Sound should be off with those settings.

  Answered 7 years ago by Brian

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Q: QuestionSo I just bought this. I have a T7 1500D. It works if I have it mounted on the hot shoe but I bought it exclusively as a remote flash. How do I get it to trigger OFF then camera on a tripod?????

Asked 5 years ago by Eric51181.

• A:Answer For remote firing, press the left of the two middle buttons under the LCD screen until you see S1 or S2 appear. Now, when any other flash fires in the area, this flash will also fire. S1 is for if the triggering flash is in a manual mode and will flash only once. S2 is if the triggering flash uses a TTL mode or other pre-flash, so the Sunpak will ignite the pre-flash and fire when your shutter is opened.

  Answered 5 years ago by MisterK

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Q: QuestionDoes this work with the Nikon D3100

Asked 5 years ago by SHAWN.

• A:Answer The Sunpak DF4000U is a "Universal Flash" for Canon and Nikon cameras only. Your camera must have TTL (Nikon) metering. I own the Nikon D3500 DSLR and this flash is awesome. The High Guide Number of 190 feet@ ISO 100. Works great on and off camera and with LumiQuest light modifiers .

  Answered 5 years ago by SteelmanVerified Purchase

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Q: Questionwill it work on Nikon d 3400

Asked 8 years ago by rod.

• A:Answer Yes

  Answered 8 years ago by JimVVerified Purchase

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Q: QuestionWhat’s a good flash trigger and receiver to match up to this flash?

Asked 4 years ago by TomBalchak.

• A:Answer This flash does have some of its own optical triggering capability, but it sounds like you need radio. I recently started using Neewer FC16 triggers for those situations. This is a basic trigger with no TTL and no controls from the camera, but they work and are affordable. If you prefer TTL and also remote adjustability in a radio system, look to Godox flashes and transmitter.

  Answered 4 years ago by MisterK

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Q: QuestionIs this compatible with a canon t6?

Asked 7 years ago by jamesblount.

• A:Answer Hello James, In short, the answer to your question is yes it is comparable with Canon's T6, and many others. The SUNPAK DF4000U, for its price is an excellent addition to enhance your picture taking. I would purchase it again if need be, and I highly recommend this to anyone who takes pictures and has a camera that could use an external flash . I hope that I was able to help.

  Answered 7 years ago by RobertL

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Q: QuestionWhat is the fastest shutter speed this will sync with?

Asked 5 years ago by RMPewitt.

• A:Answer I bought my children this model of Sunpak flash. They've had great success with them. One uses a Nikon, the other a Canon. Both dslrs. To answer your question, the design of the camera or lens being used will determine the fastest shutter sync speed. Older film-type slrs synced at 1/60th sec due to the focal plane shutter design. Cameras and lenses that use the copal shutters sync at higher speeds. In theory, this flash should sync with whatever speed the camera /lens specifies. The newest technology such as mirrorless slrs are unknown to me. Good luck.

  Answered 5 years ago by LarryVerified Purchase

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Q: QuestionHow do you turn off the assist beam? Or the red light that appears on your subject ? Thanks.

Asked 7 years ago by Maxx.

• A:Answer That red light should not appear in your photo, turning off before the shutter opens. To turn it off, press and hold the function button until the Fn menu comes up. Use directional buttons to get to Fn-8 and change from 0 to 1 to turn off AF assist.

  Answered 4 years ago by MisterK

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Q: QuestionIs this fash compatible with cannon t7?

Asked 5 years ago by Ralph.

• A:Answer Yes, it is compatible with Canon T7.

  Answered 5 years ago by CommunityAnswer

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Q: QuestionWill this work on both a canon rebel t3i and a t7i?

Asked 5 years ago by Alicia.

• A:Answer Yes, this will work. However keep in mind this is noisy if you are shooting weddings.

  Answered 5 years ago by BasquiatVerified Purchase

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Q: QuestionDoes This flash work with NIkon d5500?

Asked 7 years ago by Faro.

• A:Answer Yes

  Answered 7 years ago by Mike

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Q: QuestionI can’t decide which flash to get. Which one is better Meike MK910 or Sunpak DF4000U?

Asked 7 years ago by Audiophile.

• A:Answer I have the Phottix Mitros +. It is probably more expensive than the Meike or Sunpak but you will have much more versatility for you and your camera. With the Photitx you are able to take it off camera by adding a trigger. The receiver is built into the flash. You can buy cheaper now but as you progress in your photography you will want to improve your equipment. Then your old cheaper flash will be packed away in a box. A little more money now will pay off in the end.

  Answered 7 years ago by PhotogVerified Purchase

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Q: QuestionSometimes this flash works great, sometimes it has a VERY hard time recovering and actually flashing. How do you reset it? How can you ensure that the flash fires with every shot? I'm very confused and the manual isn't helping very much.

Asked 7 years ago by Lemalie.

• A:Answer Make sure the batteries are fully charged and also check the power settings. If it is on highest power setting it will take longer to recycle.

  Answered 7 years ago by TriscuitVerified Purchase

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Q: QuestionIs this compatible with Nikon D5600?

Asked 4 years ago by Para.

• A:Answer Yes. This will work very well on-camera with your D5600, and also remotely in S1 and S2 modes of optical triggering. I highly recommend this flash for all Nikon DSLR cameras.

  Answered 4 years ago by MisterK

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