Paris

by Jon

submit your photo


Hall of Fame
View past winners from this year

Please participate in Meta
and help us grow.

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.

learn more… | top users | synonyms

1
vote
1answer
2k views

When to use different combinations of TTL/TTL-BL and Spot/Matrix metering?

I am trying to teach myself flash photography, and I am currently confused about metering modes. In what shooting conditions would each the following metering modes be best-suited? (And why do they ...
1
vote
1answer
89 views

Why are relationships among flash and ambient expressed as percentages but among main and fill expressed as ratios?

Why are relationships among flash and ambient expressed as percentages like 10% but among main and fill expressed as ratios like 3 to 1?
0
votes
0answers
56 views

How can I fire a Sigma 610dg Super with a TriggerTrap Flash Adapter?

I have a Sigma 610dg super flash that I wish to trigger with the TriggerTrap flash adapter (tt-fa1). Sadly I cannot make this work. I have tried two different TriggerTrap dongles but the flash never ...
1
vote
3answers
209 views

When you shoot flash through an umbrella, does it change the color of the flash light?

Does the umbrella cloth (or whatever material it is made of) act as a filter and modify the original color temperature of flash?
0
votes
2answers
182 views

Why do some umbrellas have black cover instead of silver?

Or what is the use of a black cover instead of a silver one? I have the idea that the black (only) removable cover of some umbrellas is rather an incomplete product. Is that so? I'll try to ...
2
votes
2answers
101 views

Practical difference between TTL and flash sensor

On an speedlite 600EX-RT, what is the practical difference between E-TTL II and Ext. A? I know the technical one, but how does it change flash exposure if you measure through the flash sensor rather ...
2
votes
1answer
101 views

How can I use the built-in flash with a legacy prime on a Nikon D3100?

I purchased an older 50mm prime lens to use on my Nikon D3100. I know it will not meter or focus (and I can handle manual focus and exposure etc.) but I cannot get it to fire the on-camera flash. Any ...
3
votes
2answers
521 views

What causes the shadow at the bottom of this photograph?

I just got a new (to me) Nikon D70s to see if the DSLR world is right for me. My dad took this picture of me: In the middle of the bottom there's a rather large semicircle of shadow. Is this caused ...
1
vote
5answers
280 views

What exactly does TTL flash sets its power to?

I understand that TTL flash means the flash will preflash and try to calculate the right exposure for that particular scene. That part makes sense, but what exactly is the "right exposure"? Does it ...
2
votes
1answer
142 views

Can I configure my Sony A57 screen and viewfinder display to brighten with a manual flash, just like with the popup flash?

When I pop up the built-in flash on my Sony Alpha 57, the LCD and electronic viewfinder brighten up a lot, so I can focus properly in low light situations. However, when I put on my Yongnuo 560 mkII, ...
2
votes
4answers
151 views

Is this statement By Jim Zuckerman incorrect?

"For the exposure of the foreground, though, the lighting came from the flash only. Therefore, changing the shutter speed didn’t affect the exposure of the subject, since the speed of light is faster ...
0
votes
1answer
108 views

Low light photography: which avenue of gear improvement? [closed]

When you see something to be desired in your photo, it can be as much your technique as the limitation in your gear. But I'm pretty confident that I've hit the limitation of my gear for low available ...
2
votes
2answers
95 views

To get a main to fill lighting 3 to 1 ratio you divide your main f/ number by 3?

I have read this information off a popular Photography site ; I am confused because I tought that for a ratio of 3:1 you need to set your main light to say: f/8 and your fill only one full stop down, ...
0
votes
2answers
784 views

Why does ETTL occasionally fail with my Canon Speedlite 580 EXII?

I have the Canon Speedlite 580EXII for 3-4 years now, and I have used it with a 450D and more recently with a 60D. With both bodies, there was a very weird behavior where ETTL or even TTL will ...
4
votes
2answers
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 ...
0
votes
2answers
95 views

Canon Flash Slave: 550 or 430 ex ii

I have a Canon 580 exii, now i am looking for a cheap slave either canon 430 mark ii or canon 550. not sure what should i pick?
1
vote
3answers
248 views

Is this tutorial about fill flash percentage wrong?

I saw an interactive tutorial at http://www.sekonic.com/classroom/fillflashtutorial.aspx,, it talks about how to control the proportion of fill flash relative to ambient light. In it, they illustrate ...
0
votes
2answers
52 views

Why won't shutter release when in flash mode?

I bought a used Nikon D3100 and cannot get the shutter to release in flash mode. The camera works great as long as it is not calling for flash. Not sure what to try or do.
28
votes
8answers
62k 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 ...
1
vote
1answer
103 views

Why does my flash keep turning itself off?

I attached my Canon 580EX flash to my Canon 6D this evening to take some Halloween shots. Although body and flash usually work seamlessly together, tonight I noticed that the flash kept turning itself ...
1
vote
2answers
542 views

The best flash setup and postion for a portraits and groups shots in a low light room?

I am an beginner photographer and I was "hired" to cover a company final year party. The idea is take group shots or portraits and print "on the fly" the pictures, then the guests can see and take the ...
1
vote
2answers
596 views

Overexposed images when using ring flash

I am somewhat of a newbee to photography, but I have a Sigma EM-140 Ring Flash with a 18-250mm Sigma lens. In short, when I use the camera with the ring flash I can't get it to take photos that ...
1
vote
2answers
264 views

PC Terminal vs Hot Shoe

It says here, PC Terminal and Hot Shoe are both types of flash sync connections. If that so, then what are their differences and primary uses? I'm a little confused about it because I understand ...
8
votes
4answers
3k 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 ...
6
votes
4answers
8k views

How do I light a photo booth with a single flash and an umbrella?

I run a photobooth for a friend at a party for a side job and last night we came across a predicament. We only were able to use one flash on a tripod, instead of the usual two, along with the camera ...
1
vote
1answer
270 views

What Ever Happened to Hologram AF?

I'm currently using it in my Sony DSC-F828 and I think works very well especially in low light condition. I've read a lot of hypothesis about it but anyone know for sure why modern cameras don't use ...
3
votes
2answers
223 views

Hotshoe flash with adaptable color temperature?

The dual LED flash in the iPhone 5s allows changing its color from white to amber, to approximate the color temperature of ambient light. dpreview.com writes: In fact, it features the first ...
4
votes
1answer
206 views

Will a low-cost macro ring flash be useful for portraits?

A friend of mine wants a flash for her camera (Cannon 650D), and we want to buy her one for her birthday. She also said she wanted a ring flash (I think she was referring to the Orbis ring flash). ...
2
votes
3answers
243 views

Why does my Cowboystudio NPT-04 not trigger flash with Live View on Canon T3i?

I just purchased a Cowboystudio flash trigger, model NPT-04 to use on my Canon T3i with a Canon 430 EX ii Speedlite. It seems to only work when looking through the viewfinder- if live view is on ...
0
votes
2answers
97 views

using flash and av mode

I shoot with canon 1000d and in av mode. I prefer not to use flash but some times i use it (built in) to fill-in dark in day light. Flash make my photo too much over exposed. Any suggestion for ...
17
votes
5answers
1k views

How to explain to your client that a camera flash does no harm to infant?

Firstly, it is pretty definitive that a camera flash will cause no harm to infants (see below): Is camera flash actually harmful to infants or newborns? My question targets photographers who had ...
2
votes
3answers
754 views

How to correctly expose when using a flash?

I have been using the Manual mode ever since I picked up my Nikon D3200 about 6 months ago. I am pretty well versed with the exposure triangle & how to use it. However, recently - I am starting ...
2
votes
3answers
484 views

How do I determine whether flash fired or not?

For example, I use a regular cropped DSLR (like Canon 400D (Rebel XTi)) and I use an external ON-camera flash (mounted on the camera's shoe). How do I determine by looking over the description within ...
12
votes
7answers
5k views

Why does using flash sometimes create these white spots in the photo?

I have an Olympus FE-190. When I take a picture, with flash on Digital Image Stabilizer (DIS) mode, I get white spots in pictures. This doesn't happen always. There is only an option called Pixel ...
2
votes
3answers
236 views

How to adjust the flashlight properly when to take a headshot?

I want to do indoor head-shot in a low light situation. What is the right way to adjust the flashlight pointing angle to receive the best out of it. PS : I use Nikon D3200 with 35mm f/1.8g lens and ...
6
votes
2answers
4k views

I cannot open the internal flash on my Canon 60D camera; how do I fix it?

I tried opening the internal flash on my Canon 60D camera the other day and it didn't open at all. I couldn't understand why. After messing around in the menus, I found out that the camera thinks that ...
1
vote
2answers
138 views

My D3100 takes longer exposure shots instead of using the flash

Both the camera and the Flash are in AUTO, so in low light it should make the flash pop up, but it does not. Instead it just seems to take a shot with longer exposure, making the photo appear with ...
0
votes
1answer
262 views

Nikon D70 and Sigma EF-500 DG Super NA-iTTL Flash

I have a D70 and Sigma flash gun, which I understand should work with the camera. I have read it is important to have the iTTL versions of the flash gun for it to be able to work with the iTTL ...
0
votes
1answer
72 views

Does an on-line flash buying guide exist with a feature search?

I'm looking for something comparable to dpreview's camera feature search and lens feature search. There are plenty of buying guides on-line outlining to what parameters one should pay attention when ...
4
votes
2answers
176 views

What's the point of a removable umbrella cover?

I'm new to off-camera flash and looking to buy some gear (stands, umbrellas, etc.). I've seen some umbrellas that have a removable black cover, like this one: I assume that you add the cover when ...
12
votes
3answers
5k views

How many watt-seconds do regular battery-powered flashes have?

I'd like to know how do battery-powered system flashes compare to studio units in terms of light output. I know that AlienBees B400 has 400 "effective"  Ws, and that Canon Speedlite 580EX II has ...
1
vote
1answer
65 views

Combinig external flash with ring flash - viable?

I have a Nikon SB900 which I use exclusively for macro photograhpy. Would it be a good idea to combine in with a ring light/flash for some extra fill light? Or would it be better to buy another ...
2
votes
2answers
476 views

How to troubleshoot Canon Speedlites that are not firing at the same time?

working on some studio lighting and want to have my two Canon Speedlite 580 EX II's to fire simulatneously using Canon's built in wireless communications (i.e. The Master to trigger the Slave, but ...
3
votes
1answer
227 views

Can anyone offer me some shooting advice for a wedding ceremony?

I will be taking some photos at a friend's wedding. Mainly the ceremony. It will be outdoors in some very nice gardens and a little before sunset, around 6.15pm while sunset is at 7.20pm in that city. ...
2
votes
4answers
240 views

With a limited budget, how should I invest between flash power and light modification?

I just bought a yn-622c for my t3i and I want to also pickup the lastolite ezybox 24" softbox. My main concearn is that the 430ex ii will be too weak to shoot in a softbox from several meters. Does ...
2
votes
1answer
280 views

How should I do a DIY set up for shooting clothing items?

I need to make a photo shoot of clothing articles (headbands, headscarves, etc) for an online store. I tried building a lightbox the other day (cheap way) and then put a light from the top. It was ...
3
votes
1answer
116 views

Why is my Phoenix external flash not charging?

I just got a Phoenix DZBIS-112CII external flash for my Canon 550D. I have tried everything that I can think of to make it fire, without any luck. It came with four dead batteries in it which had ...
4
votes
4answers
7k views

Why is maximum shutter speed fixed on Nikon DSLRs when using flash?

I recently upgraded from D300 to D800 and I was very excited about the new auto ISO feature that automatically sets the maximum shutter speed based on focal length (including an adjustable ...
2
votes
5answers
196 views

Is it worth to buy a pop up flash difuser?

I have come across this product while searching the net, and I wonder if it is worth to buy it. Is it a necessary to add if I want to use my popup flash?
1
vote
2answers
158 views

Light source types and which ones to use

There are not too much info on light source types. Basically there are continuous/halogen and flash lights. When do we choose which one? About continuous/flash lights, when do we use an ...