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 ...
29 votes
Accepted

To what purpose can I use speedlights except for people photography/portraits?

Do I need a speedlight if I do not do people photography or portraits? Depends. But yes, speedlights can be used for more than portraiture. How else could one use speedlights? Other uses for ...
  • 49.4k
28 votes
Accepted

Pros and cons of cheap studio strobes vs. hotshoe/speedlight flash for portraits?

Buckle in for a long answer. There are three primary advantages that "studio" flash have over hotshoe flashes. The first, and most obvious is power; even the lower-powered "serious" units (we're not ...
  • 796
21 votes
Accepted

Does it make sense for me, as a beginner, to buy a speedlight?

Does it make sense to buy [a] Speedlight? Absolutely if what you want to learn and achieve is good on-camera bounce flash. That is exactly what a speedlight with a head that tilts and swivels is ...
  • 49.4k
20 votes
Accepted

How could a hot shoe adapter with a single contact possibly work?

Although you can't tell from the image, I suspect that there is a springy bit of metal that supplies the ground, between the flange and the knurled knob. If you have a voltmeter, set it to ohms or ...
15 votes
Accepted

Is it possible to use a flash for modern DSLR on an older film camera?

The trigger voltage you are worrying about doesn't come from the camera; it's all in the flash. All the camera does, in effect, is "flip a switch"; it shorts out the centre pin of the flash and the ...
  • 1,262
15 votes
Accepted

Do flash guide numbers assume some amount of ambient light built-in?

The guide number represents the light output of the flash alone, with no ambient light factored in. Unless you are using slow sync flash, the ambient light is just assumed to have no meaningful impact....
  • 140k
13 votes

What's the generic term for portable flashes (Speedlites, Speedlights etc)?

"Speedlight" is Nikon's brandname, and "Speedlite" is Canon's — but apparently Ricoh also used the name "Speedlite". That made me curious, and in a quick trademark search, it appears that no company ...
  • 140k
10 votes
Accepted

Is there a Canon equivalent of the Nikon CLS?

Yes. Canon also has a near-infrared proprietary optical system for wireless flash. It doesn't have a snazzy marketing name like CLS, but is often referred to as "Canon wireless eTTL" or "Canon ...
  • 49.4k
8 votes
Accepted

How to use a speedlight for real estate photography?

Like any lighting, this is not a simple one-size-fits-all type of deal. You have to think it through. Light should very much feel organic in the image and should have a reason for being there (i.e., "...
  • 49.4k
8 votes

Why is the bottom of this image over-exposed?

My bet is on the same thing you guess — light reflected from the diffuser bouncing around badly. This is especially likely if you've tipped the flash to point the diffuser dome forward, as I've seen ...
  • 140k
8 votes

What speedlites can work with the Canon non-standard hotshoe found on their low-end camera models?

Canon Canon's own EX speedlights should all be compatible, if not fully compatible. The official word from Canon on their brochures and websites for the bodies without the sync contact is: Speedlites ...
  • 49.4k
7 votes

Why aren't my strobes and speedlight in sync, and how can I fix this?

If it were the 380EX that was having issues triggering the strobes: The most likely scenario would be that the pre-flash of the E-TTL only 380EX is triggering the strobes before the shutter opens. ...
  • 169k
7 votes
Accepted

Can I maintain the same flash pulse duration but increase light with multiple flash units?

You are correct to observe that the reduced power is the key to your flash's ability to freeze motion. More flashes may work (see caveat below) but since more gear usually costs more money, here are ...
6 votes
Accepted

Can a Speedlite 430EZ be used with a Canon 6D?

For a Canon flash to be compatible with the hot shoe of EOS digital cameras, it needs to have a model number that includes EX. The EZ series of flashes made in the early 1990s are not compatible with ...
  • 169k
6 votes

Is the Canon EOS hot shoe the same across camera bodies?

Yes, the hot shoe is the same across all EOS bodies - and if all you care about is manual control (no eTTL, HSS and the like) it's actually standard across the industry, with the only notable ...
  • 19.9k
6 votes
Accepted

What's the bit that slides into the hot shoe called?

It's called the foot — the thing that goes into a shoe. You can find this in [ISO 518:2006], the standard which describes the... standard... hot shoe. It's not, however, defined there — it's just ...
  • 140k
6 votes

Can I maintain the same flash pulse duration but increase light with multiple flash units?

Yes. Speedlights reduce the light output by turning the "power" off earlier. This way the time the flash is on is reduced, which results in shorter flash duration for lower power flashes. Adding ...
  • 8,334
6 votes
Accepted

Will using a hotshoe flash with camera give me clearer/cleaner picture results?

Photography is always about light! When you are shooting in a very dark place, you must provide the light. You must consider not only the amount of light you need, but the shape and direction of the ...
  • 169k
5 votes

What flash slaves can be used with a Canon Speedlite 600EX-RT?

If you want to use the built-in Canon RT radio system, then you need a unit that speaks the Canon RT radio protocol. The only gear, aside from Canon's ST-E3-RT, 600EX II-RT, 600EX-RT, and 430EX III-...
  • 49.4k
5 votes
Accepted

Speedlite 430EX II & Canon 60D

The 430EXII supports Canon's now older method of remote flash triggering, which uses flash pulses from the commanding unit to trigger the remote unit (430EX in this case). The newer system, based on ...
  • 14.4k
5 votes

Can I trigger multiple Yongnuo manual speedlight with one Nikon camera?

There is no hard limit to how many YN-560III flashes you can set off remotely with the appropriate transmitter device, as long as the flashes can receive the radio signal. Four is well within its ...
  • 49.4k
5 votes

What setups work to trigger a Profoto B1 and Canon 600EX-RT Speedlights together from canon body

I can confirm that if you use a Yongnuo YN-622C, you will be able to trigger your canon speedlights. The setup that I have is 1 Profoto TTL Air remote, 2 Yongnuo YN-622C, 1 430EX II flash, 1 B1. One ...
  • 51
5 votes

Pros and cons of cheap studio strobes vs. hotshoe/speedlight flash for portraits?

I'm sure there will be very comprehensive answers to this well-structured question, this one is just from the perspective of someone who doesn't own anything more powerful than a speedlight. Besides ...
5 votes

Pros and cons of cheap studio strobes vs. hotshoe/speedlight flash for portraits?

The advantages of studio strobes over speedlights for off-camera lighting is not as much like getting a dSLR over a P&S, as it is like getting full frame over crop. While the advantages are there ...
5 votes

Can I get HSS with off-camera Canon 430EX II speedlites, radio triggers, and a Sony A7?

TL;DR: Yeah, you guessed right. You can't get HSS or TTL cross-brand. Flash hotshoe protocols are mostly brand-specific TTL and HSS are hotshoe protocol-specific. That is, you need a Canon camera ...
  • 49.4k
5 votes

Do I need an external flash to take sports pictures on the field at night?

In general, no, not only do you not need it, but it won't help at all. In order to provide any meaningful amount of light more than a few feet away, you need a very, very powerful flash — much more ...
  • 140k
5 votes

What speedlight focal length should I use with an umbrella

Use focal length that will not throw light past the umbrella. There are lots of different umbrella sizes, some very large. I think 50 or 70mm would be fine. As advised above just try and see what ...
5 votes

Can the Canon 5D Mark IV wirelessly trigger a single remote 430EX III-RT?

The Canon EOS 5D Mark IV has a built-in Wi-Fi radio with NFC (Near Field Communication) capability. It does not feature a built in radio transmitter for communicating with RT flashes. You'll need ...
  • 169k
5 votes
Accepted

Can vintage strobes damage wireless receivers?

Yes, there is the possibility that vintage strobes with high trigger voltages can damage wireless receivers/transceivers attached to them. The danger would only apply to the receiver/transceiver ...
  • 169k

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