rmalarz Loc: Tempe, Arizona

Make sure it comes with the power supply and cables.
--Bob

Rongnongno Loc: FL

It does and there is a thirty days return...

I am concerned by the battery thought.

wide2tele Loc: Australia

Here is an example of an image that would not be possible without on-camera fill.
It goes beyond what was discussed in this thread so far.

roxiemarty Loc: Florida

I almost always use fill flash! It fills in the shadows and really brightens up my daytime images. I don't go without my external flash in the bag too.

billnikon Loc: Pennsylvania/Ohio/Florida/Maui/Oregon/Vermont

I shoot wildlife with the sun coming over my shoulder, no need. I shoot a 20 fps, a flash could only work on the first shot and then be useless for the remainder 19.
If I am shooting portraits, this is the only time I use a flash outside (fill flash), or, when I am inside I also use it.

JimmyTB

I may have missed it but I didn't see anyone mention high-speed sync which I don't believe you can do with the popup flash. Silverman posted a question about that on Nov. 20, 2017 and several posts down GoofyNewfie posted an excellent example of using it outdoors for portraits. I'm lousy at portraits so I won't post any of my examples here, but I do have a couple of close-up flowers using HSS. Didn't quite nail the focus but here they are and I think you can see how HSS outdoors can be helpful in separating the background. GoofyNewfie's example shows how you can use it for fill and still be able to use a wide aperture.

(Download)

Cotondog Loc: Saskatchewan, Canada

I have no pop-up flash on my 6D, but if I had one, I would not use it, inside or out. I do have my Canon flash mounted on my 6D every time I take it for outside shoots, even though I may not need it all the time.

home brewer Loc: Fort Wayne, Indiana

I use a sb800 flash as fill on my d500 or d850 in the woods or shade especially with the subject being people. I have also used it in the city when there are shadows. I do not think I have ever seen anyone else doing the same.

gmar3180 Loc: Waxahachie, TX

Here's a good article from Nikon regarding their Auto FP Sync feature that explains why you might want to consider using outdoor flash.
https://www.nikonusa.com/en/learn-and-explore/a/tips-and-techniques/using-auto-fp-high-speed-sync-to-illuminate-fast-sports-action.html

I also copied some info from the internet several years ago that was very useful when I had my SB800 flash and D200. I do not have the link to the info but here it is:
Auto FP flash
1. With both the camera and flash OFF, mount othe flash on the camera hot shoe.
2. Turn on both the flash and the camera (order doesn't matter).
3. Go to menu e1 on the camera and select 1/250 s (Auto FP) or 1/320th (Auto FP). Hit 'enter' to save it.
4. 'Wake up' the flash if it is in STBY by half-pressing the shutter button. Then, on the flash press the 'Mode' button several times to cycle through all the modes. You should see 'TTL FP' and maybe 'TTL BL FP' amoung the modes. If 'TTL BL FP' is not shown, you probably have your camera in 'Spot' metering mode. Switch it to 'Matrix' to allow BL. Set the flash in 'TTL FP BL' mode for fill flash testing.
5. On the camera select Manual mode and verify you can set the shutter at speeds above 1/250, all the way up to 1/8000.
Now, you should be able to select camera A mode and shoot in bright light with fill flash.However, the higher the shutter speed you select, the less flash power you will have.

When stopping action is not the goal, and a really high shutter speed is not required, then FP Sync can be very useful. In fact, Auto FP is excellent for shooting portraits in bright daylight. Then, you can use a shutter speed well above the normal sync of 1/250th coupled with a wide aperture to blur the background which greatly helps isolate the subject. I typically use camera A mode, ISO 100, FP Sync, f/ 2.8 and 1/1000th in bright shade, and I get a flash range of about 10-15 feet. If I am in really bright light, like on the beach, the shutter has to be around 1/1600th, and this reduces the range to about 8-10 feet which is still reasonable for portraits. If a greater distance than 10 feet is needed in bright daylight, there is no choice except to use regular flash sync and accept the requisite smaller aperture. This happens frequently when shooting a party outdoors, where I typically shoot in camera S mode, regular flash sync, ISO 100, 1/250th, and f/7, and I get acceptable fill out to 20 to 30 feet or so.

chfrus

I use flash as a fill in. It lessons the deep shadows on a face and or body. A trick that I learned at the US Army photo school is to use a tissue on the flash ( built in camera or external) to defuse the harsh light from the flash.

Delderby Loc: Derby UK

My M4/3 Panny GX8 is the first camera I have owned that didn't have a pop-up flash. When I bought the camera I also bought a dedicated (and inexpensive) Meike Speedlite MK320. Small enough for trouser pocket, TTL, Digital screen, 160 swivel, 90 tilt, diffuser. Really useful, which I never found a pop-up to be. For indoors, using bounce and/or swivel, I get great results for portrait style pics, don't need umbrellas or soft boxes - just need to think about the bounce and where it will bounce to. Meike make dedicated speedlites for most camera brands.

Wrongway Loc: Hewitt Texas

I use a flash attached to the camera outside I also shoot manual mode by controlling wat the camera does with the lens you can make some exceptional photos. I read a book in the 20 century before all the electronic cameras it was called painting with light it changed my thoughts about using a flash

mizzee Loc: Boston,Ma

I have to say I’ve never used my flash on my Oly. Probably if I did studio work I would, but I don’t.

camerapapi Loc: Miami, Fl.

Like other tools in photography daylight flash has its uses. Fill-in has been already mentioned by others and indeed portraits in the shade with or without a bright background is a common use of flash in daylight. On cloudy dark days flash is very useful especially when used at low intensity.
I do not use flash very often because I do not have the need to. When I shot weddings flash was my most important accessory indoors or out. The trick is to use flash as if it has not been used and I mean using the flash illumination at low intensity like when bouncing.

Nikon started to use TTL-BL with their flash units some time ago. Even when the flash in TTL-BL is specifically used outdoors for fill-in reducing the exposure by a full stop offers better and more natural results. Many photographers using off camera flash use the flash manually and in those cases a flash exposure meter saves time. Amateurs do not tend to use flash outdoors as often as professionals do.

In regard to the built-in flash and precisely because they are not powerful enough they are excellent when used outdoors for fill-in and can save the day.

brooklyn-camera I Loc: Brooklyn, NY

I use a hot shoe flash when taking close ups (headshots) of players on sunny days. Most of the semi-pro football players are black and when shooting on a sunny day the contrast is just too much to get a good photo without the use of a flash. I need the flash for filling in some of the dark areas so you can see details of the players facial expressions.
No flash when shooting the game, day or night.