Nidelva river through Trondheim Norway

Nidelva river through Trondheim Norway
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Flash is a device which provides additional light to a scene. It can be used to help fill in a dark area of a photo, to provide light if there isn't sufficient light to begin with, or it can help to improve the composition of a particular photo, by creating your own source of light.

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9
votes
3answers
2k views

What features should one look for when selecting a flash?

I have been thinking of getting a flash to improve my low light photography (particularly indoors). However, there seem to be a number of different models available at similar price points (budget of ...
23
votes
4answers
12k views

When should you use a normal flash vs a second-curtain flash?

There have been many questions lately that focus on improving the quality of the image taken, where the answers circle around using a second-curtain flash to reduce blur and freeze motion. Why not ...
21
votes
9answers
4k views

Prime lens or flash: which upgrade will most improve baby photos?

I current own a Nikon D5000 with kit lens (18-55mm f/3.5-5.6) and am looking to take better indoor photos of my fast-moving 9-month-old, which sometimes come out blurred or not natural I use the ...
11
votes
3answers
2k views

What is sync speed?

When referring to flash exposure, what does "max sync speed" mean?
11
votes
4answers
3k views

What are the Yongnuo flash naming conventions?

I'm trying to get an idea of which Yongnuo flash will fit my requirements. I'd like to have a flash to pair with my SB-900 with TTL support for use both on and off camera (Nikon CLS-compatible). My ...
7
votes
3answers
6k views

What does an expensive flash unit buy over a cheap one?

General question: What will I get from an expensive flash unit, that I can't get from a cheap one? Specific example: The $250 Canon Speedlite 430EX II vs. the $50 Neewer TT560. To my naive eye, the ...
23
votes
6answers
2k views

What exactly is flash sync speed, and should it be a factor in a buying decision?

What exactly is flash sync speed and should it be a factor in a buying decision?
5
votes
2answers
2k views

How can I calculate the effect of non-TTL flash on exposure?

I recently got an old Canon AE-1 film camera back in working order. I'd like to use my modern 430EXII Speedlight flash with it, however since there is no TTL metering, I have no idea how much the ...
34
votes
10answers
2k views

What attributes should I look for when buying batteries for a flash?

I want to buy some more rechargable batteries (AAs) for my flashes. I suppose I mainly care about: - Quick recycling of the flash - Hold their charge when not in use Although bonuses for: - Long ...
16
votes
7answers
3k views

What does it mean to “kill the ambient”?

I have heard of a technique called "killing the ambient" in flash photography. What does it mean and how do I do it? This similar existing post I believe is separate enough to warrant this question - ...
3
votes
2answers
807 views

Is there a Canon equivalent of the Nikon CLS?

Does Canon have its own version of the creative lighting system?
11
votes
5answers
6k views

What should I consider when choosing continuous lighting vs. strobes for studio photography?

If one were to want to get started with studio photography (I'm thinking things like portraits, headshots, perhaps pets, etc) what would be the considerations in choosing whether to go with continuous ...
8
votes
4answers
5k views

What is the quantative relation between flash guide number and ISO?

I found that formula on the Internet: Guide Number = (Shooting Distance * Aperture) ÷ ISO Sensitivity Is it correct? If it is could someone please explain why ISO is related to guide number in this ...
20
votes
3answers
6k views

Are small on-flash softboxes useful, or a gimmick?

There are a number of "mini-softbox" products on the market. These are meant to mount on a hotshoe flash (usually with an elastic band). Lumiquest Softbox III Are these worthwhile portable and ...
27
votes
1answer
18k views

What are the differences between E-TTL, i-TTL, and P-TTL?

Canon, Nikon and Pentax each have their own TTL flash metering systems, respectively E-TTL, i-TTL, and P-TTL. They all use a weak preflash that is metered and used to calculate flash power level ...
42
votes
10answers
160k views

Is camera flash actually harmful to infants or newborns?

I just got a new off-camera flash, and the instruction manual says: Never fire the flash unit closer than 1 meter from infants. This was a little startling to me, since one of the main reasons I ...
15
votes
4answers
485 views

How to keep flash from disrupting the scene?

My friends and I have observed that the act of using a flash in informal settings (for example, pictures of a Christmas party or a busy toddler) tends to draw attention to the photographer and thus ...
6
votes
3answers
3k views

Why is there a preflash from a built-in flash when using remote flash only?

When using Nikon D7000 with an off-camera SB600 (which cannot be used as commander) in TTL mode, the built-in flash must be opened to make it work (to serve as a commander), even if this built-in ...
4
votes
3answers
1k views

How do TTL flash metering systems calculate how much power is needed?

Does anyone know how TTL calculates the amount of power to put in after the preflash is done? I understand that the value is somewhat brand specific, but what is the general logic? Because if you ...
13
votes
3answers
18k views

When and how to use a push-on flash diffuser?

I've bought a cheap flash on eBay and got this fancy flash diffuser as a free gift: So, what are the effects of a light diffuser like this one? What difference does it make to the resulting photo? ...
24
votes
3answers
2k views

How to Avoid Red-Eye in Photos?

Although tools exist to remove red-eye in post-production, what's the best way to avoid it while creating the photograph in the field?
6
votes
2answers
261 views

How can I get started with a first flash gun?

I just got myself a flash gun for my dSLR. I realise that I don't quite know what to do with it. What should I do to get used to it, and to learn about how to get the most out of it? I'm interested ...
22
votes
4answers
30k views

What does TTL mean?

I'm new to photography and I see the term TTL all over the place. What does it mean? And how do I use it to make my pictures better?
4
votes
3answers
7k views

Why is my camera limited to a shutter speed of 1/250th when the flash is up?

Sometimes in bright backlight and with large aperture (f2.8) I want flash at high shutter speeds. But when I pop the flash up on D7000 it caps the shutter speed to 1/250th, which overexposes the ...
12
votes
5answers
2k views

What is second-curtain or rear-curtain technique? [duplicate]

I have a Nikon D80 I seem to remember having read somewhere that it should be possible to take photos in it using something called a second curtain technique. My question is does anybody know if this ...
13
votes
9answers
7k views

How do I take a portrait at night with detail in the background instead of just blackness?

I was trying to make a photo of my girlfriend around 9 pm with a D7000, Sigma 24-70 2.8, and SB-900. She was in the center of the frame, taking up about 20% of the frame. About 40% was taken up by ...
8
votes
4answers
5k views

How do I manually calculate fill flash?

My main flash is a Nikon SB-24, used on a Nikon D200. Hence, iTTL doesn't work. I've had no issues using A-mode (the thyristor in the flash determines flash output) or M-mode (manual on the flash) ...
7
votes
4answers
343 views

How do I start using a hotshoe flash?

I've just been given a Sigma EF-500 DG ST flash unit. I've not really had much experience using flash. How can I get started? Are there any good learning resources?
6
votes
4answers
2k views

Does the wide-angle diffuser on a flash help reduce hotspots when used in a small softbox?

Many speedlight-style flashes have a pull-out / flip-down wide angle panel built in. This isn't really meant as a light modifier, but is intended to help the flash provide better coverage at wide ...
5
votes
5answers
541 views

What are the most important features to look for in a low budget hotshoe flash and why?

When trying to get started with flash photography, there are a lot of new options, features and techniques that a photographer gets thrown in to. When starting on a budget, what features will give a ...
4
votes
3answers
2k views

Why don't these external flashes fire when the camera shoots in Live View mode?

I had the opportunity to use some professional flashes yesterday and I found out that they didn't fire when I was trying to shoot with the camera in Live View mode. The flashes were two Elinchrom ...
3
votes
1answer
358 views

Are Yongnuo flashes interchangeable between dslr's or are they brand specific?

I see the Yongnuo triggers are brand specific. For example YN-622c (for Canon) and the YN-622n (for Nikon) I was looking at the YN-565 and YN-568 but did not want to make a wrong purchase and buy a ...
12
votes
2answers
3k views

Can using an old flash damage a new DSLR?

I have been using my dad's old Metz mecablitz 18 B1 flash for a while with my Canon 7D and had no trouble with it, but just received some advice from a friend that using old flashes can fry the ...
1
vote
2answers
514 views

Color issue: studio images have a pink hue

I have a small home studio and use 2 x 250 flash heads, and a white vinyl background. I use a Canon 5D Mk II and generally shoot at 1/125 and f11-13. My problem is my images all have a pink hue to ...
0
votes
3answers
2k views

Black bar covering bottom half of images, with or without flash

I use a Nikon D610 and whenever I take a picture, I get a black bar at the bottom covering half of the photo. How do I fix this? Is my shutter speed off? It isn't very fast, but no matter what I do I ...
14
votes
3answers
3k views

Why does the flash freeze a picture?

Why does a flash freeze a picture even if I use a shutter speed like 1/10 sec? I don't understand it, because the light will hit the sensor the whole time, not just when the flash is fired.
10
votes
7answers
8k views

What are the advantages of TTL over manual mode when using speedlites?

Yesterday a user on Stack Exchange asked me why I prefer manual over TTL when working with speedlites. I use them mostly off-camera and I've developed a kind of a workflow where I do not walk back and ...
7
votes
1answer
4k views

What are good situations to use Multi-Flash / Repeating Flash feature?

What can be done with the MULTI-Flash feature of a 580ex II flash? What are good situations to use this feature?
15
votes
6answers
6k views

Which cameras can sync at faster than 1/250?

I am told that certain (mostly older) DSLRs can sync (i.e. successfully work with flash) at shutter speeds faster than 1/250 of a second. Which makes / models can do this? Update Thank you for ...
10
votes
7answers
29k views

Can a Nikon/Canon flash be used on the other brand of camera?

I was just thinking about this problem and was wondering if anyone knew if/how to use a competing flash unit (EX or SB series) on a Nikon or Canon (respectively) camera. I would assume a lot of the ...
2
votes
3answers
1k views

Would this IR-transparent plastic be useful for blocking unwanted control flash?

Pentax's wireless P-TTL system is optical, and requires a control flash. I'm using the built-in flash on my camera, but one can also use a hotshoe-mounted flash with the right feature set. If you have ...
1
vote
2answers
10k views

Do Canon 430EXII speedlite flash units have an optical slave function?

Before I buy , i want to make sure: will a 430exII fire by "seeing" the light burst from other flash sources? and if not, what canon speedlite can do this?
10
votes
3answers
1k views

Is there no crossover point where shutter speed overtakes flash duration?

My understanding of flash sync is that: Up to a certain speed – apparently 1/250-1/500 for focal-plane shutters – the shutter curtains have a moment during which they are fully open. ...
8
votes
2answers
687 views

Why do I get horizontal grey bar with flash at shutter speeds slower than max sync speed?

I'm a total newbie to flash photography, and I am just trying to do some test shooting with Canon Speedlite 580 EXII using my 7D. I saw on the user manual that the maximum sync speed is 1/250 sec. ...
6
votes
4answers
443 views

What are the most important factors that need to be kept in mind while purchasing a manual flash gun?

What are the most important factors that need to be kept in mind while purchasing a manual flash gun?
5
votes
2answers
1k views

Will my SB-600 work off camera with any camera?

I own a Nikon SB-600 flash and no camera. Now, looking for a new camera, I want to know if I could trigger the flash from another non-Nikon camera body. I never use it on camera and therefore I ...
3
votes
4answers
3k views

Why is manual flash at the lowest power stronger than the TTL result?

I have a 500D with the 430EX II flashgun. I've taken two pictures with the camera in manual mode, one with the flash in ETTL mode and then in manual mode with the power to 1/64 and the flash exposure ...
1
vote
2answers
1k views

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

I've been tirelessly searching the Internet for information on how to use my two Canon 430exii's in conjunction with my Sony A7 in HSS mode. I think I already know the answer (can't do that!), but ...
25
votes
9answers
6k views

Is it acceptable in photography to never use flash?

I was hanging out with a friend of mine who is a professional photographer (for 15+ years), and has a solid portfolio, web-presence, and regional and national exposure. He never uses a flash. ...
13
votes
4answers
941 views

What was my flash power?

When I am using a Canon flash in the E-TTL mode, how can I tell which flash power the E-TTL magic chose? For example, if I got a correct exposure in the E-TTL mode, can I easily choose the same flash ...