76 votes
Accepted

Why do we charge our flashes?

The peak power at work when a flash is being discharged is extreme. Example: a classic Metz 45CT (a large but still handheld unit) on full manual power delivers around 90 watt-seconds of electrical ...
user avatar
15 votes

What is this strange ghosting effect and how can I remove it?

To be a bit more specific, this is the superposition of a very short exposure with flash, the clear sharp part overlaid by an underexposed long exposure shot (the blurry part) However, the amount of ...
user avatar
  • 16.1k
9 votes
Accepted

Canon EOS700D Flash: Why are exposure times different in modes P and Av if all settings are "equal"

In Av (and Tv) mode, flash is not assumed to be primary light source, so camera will choose exposure to match metered ambient light. In P mode, however, the camera tries to ensure exposure time is ...
user avatar
  • 31.1k
8 votes
Accepted

Why does negative flash adjustment lead to weird, orange pictures?

Camera flashes are generally balanced for daylight equivalent color temperature. That means that the white balance used with flash expects a much bluer light than typical indoor lighting. If your ...
user avatar
  • 140k
7 votes

Why does a lens hood plus built in flash cause shadows on the photo?

Lens hoods attached to super-zoom kit lenses contain a shadow monster that is released when exposed to light from the built-in flash. Remove the hood to avoid letting the monster escape into your ...
user avatar
  • 26.2k
6 votes

My Lumix GH4 flash has stopped working — what can I do?

You ask for any advice, so I'm going to provide that. Your built-in flash seems like it's broken. So, you should ignore it and get a shoe-mount flash, since your camera comes with a standard hot shoe. ...
user avatar
  • 140k
6 votes
Accepted

What is this strange ghosting effect and how can I remove it?

For me this is motion blur. And because is the same on all the objects edges it is caused by slow shutter speed. Try to use 1/100, 1/160. Also you should know internal flash usually have very ...
user avatar
  • 9,253
4 votes

How to interval shoot in a pitch black room?

Angle the flash to bounce off the ceiling or a grey card by blocking the flash with a mirror. Simply shutter a bit slower or bump the ISO to account for the decrease in intensity. If it's a thin ...
user avatar
  • 1,743
3 votes

How do I activate the built-in flash on the Canon Powershot G5 X?

I can't figure out how to activate the flash... Page 91 of your PowerShot G5 X manual explains that you activate the flash by lifting it up. Other cameras have a button or switch that you can use to ...
user avatar
  • 31.2k
3 votes

Canon EOS700D Flash: Why are exposure times different in modes P and Av if all settings are "equal"

Canon DSLR's operate in so-called "slow sync" mode when in Av mode. That means, the exposure time is set to expose for ambient light, just like without flash. This is useful to freeze your foreground ...
user avatar
  • 6,770
3 votes
Accepted

Is it safe to override my camera's "flash busy" warning when the battery is low?

The flash typically wont fire if it is not charged enough to fire, so I don't believe there is any risk of damage. I would recommend that you simply change the battery rather than trying to work ...
user avatar
3 votes

Is the flash on a Nikon D5600 supposed to pop up and fire automatically, if so what camera settings to achieve this

Only in auto mode will the flash automatically pop up. If you are in the manual type modes, you have to hit the flash button on the top left side of the camera to pop the flash up.
user avatar
2 votes

Canon T2i - Pop-up flash does not pop up

It may be due to the latch not releasing properly. Try lifting the cover of the flash while pressing the flash button.
user avatar
  • 131
2 votes

How can I set three flashes at different output levels with a camera with only two flash groups?

Get more groups, or at least different triggers. Just me, but consider getting some additional gear. Picking up a cheap 3rd party CLS-capable flash, such as a Yongnuo YN-586EX (make sure you get the ...
user avatar
  • 49k
2 votes

How can I set three flashes at different output levels with a camera with only two flash groups?

one behind the subject over exposing a white background by one stop It sounds like you don't necessarily have to adjust this one as frequently as the other two. If you set this background flash to ...
user avatar
  • 8,334
2 votes

Can I use burst mode with the pop-up flash on a Nikon DSLR?

Not with the internal flash. In continuous shutter mode, the internal flash will fire only once each time that you press the shutter button. Most of the Nikon manuals specify those exact words, but ...
user avatar
  • 12.5k
2 votes
Accepted

Can I use burst mode with the pop-up flash on a Nikon DSLR?

With some cameras it can theoretically be yes. With most Nikon DSLR cameras the flash is limited to one discharge per shutter button press. With pretty much all DSLRs with built in flashes it is, ...
user avatar
  • 167k
2 votes

Canon EOS700D Flash: Why are exposure times different in modes P and Av if all settings are "equal"

Where you're getting confused is in how shutter speed affects flash exposure vs. ambient exposure. If you typically don't use a flash, you assume that a longer shutter speed will create a brighter ...
user avatar
  • 49k
2 votes

My Lumix GH4 flash has stopped working — what can I do?

You have two basic options: Send it to a repair center to see if the flash can be fixed. Continue using the camera without the internal flash. Since the GH4 has a hot shoe, you can use an external ...
user avatar
  • 167k
2 votes

Why does a lens hood plus built in flash cause shadows on the photo?

Because the built-in flash is too close to the camera body, and therefore the lens blocks its light in the frame, causing a shadow. The lens hood can't be made smaller, or else it would not be ...
user avatar
  • 140k
2 votes

Why does a lens hood plus built in flash cause shadows on the photo?

The 2-cent flash diffuser, made by wrapping a piece of paper around the built in flash. Sample images:
user avatar
  • 16.1k
1 vote

Use Built-in Pop up flash to focus in Manual Mode, Canon 1300D

Yes, there is a setting. You can use your pop-up flash as a focus aid while in manual exposure if you enable it in your Custom Function menu. There are also some other options which may not be quite ...
user avatar
  • 11.4k
1 vote

Can I use a Canon 430EX III-RT without firing a pop-up flash?

If you don't have any additional triggering gear to get the 430EXIII-RT off-camera, then, yes, you have to fire the T6i's pop-up flash to trigger it in optical TTL slave mode. Without firing the pop-...
user avatar
  • 49k
1 vote

Why doesn't my Nikon D5200 pop-up flash fire in manual mode?

The internal flash should fire in A,S,P,M modes anytime you have opened it. If open, and if A,S,P,M modes, that is instruction that it should fire with the shutter, regardless. Why it might not is ...
user avatar
  • 12.5k
1 vote
Accepted

Why doesn't my Nikon D5200 pop-up flash fire in manual mode?

You'd have to consult your manual, but the pop-up flash probably pops up automatically only in scene modes, and possibly "A" mode. With other modes including manual, it will not pop-up ...
user avatar
  • 32.8k
1 vote

Why does my camera choose a higher ISO even when the flash is on?

The camera is behaving this way because the built in flash is relatively weak compared to most external flashes. Even if you are shooting at closer distances, where the built in flash does have enough ...
user avatar
  • 167k
1 vote
Accepted

Why does my camera choose a higher ISO even when the flash is on?

Use a hot shoe flash. The D7200 is one of the later models with the latest way that Nikon Auto ISO reacts with flash (there have been three methods on iTTL models). If a hot shoe flash is used (a ...
user avatar
  • 12.5k
1 vote

Why can't I fire the built-in flash on my Lumix GH4?

In short, this mode tends to assume you do not want to take flash photos, but use the flash only as fill light such as when there is strong backlight and you need to see a darker subject in front. ...
user avatar
  • 13.2k

Only top scored, non community-wiki answers of a minimum length are eligible