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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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3answers
771 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 ...
4
votes
2answers
769 views

Nikon D40 and yongnuo yn-560 ii external flash. Slow shutter speed issues

I bought a new flash last week and started using it with my Nikon D40 yesterday. The flash is the yongnuo yn-560 ii. I had a tough time to photoshoot. I was indoors and shooting on A mode. Many ...
4
votes
2answers
878 views

How does the power of a flash relate to the duration of the flash pulse?

Specifically for my Nikon SB-700, but also for flashes in general — how does the power setting relate to the duration of the pulse? Basically, is the power normally controlled by cutting down on the ...
4
votes
1answer
231 views

How does dragging the shutter work?

I am reading a photography book which talk about dragging the shutter when a flash is used. It just tell me how to do this trick but doesn't explain why. Can someone here tell me more about how it ...
4
votes
2answers
2k views

How differently should I use a flash with film camera?

I will be using flash with a film camera for the first time. I've some experience with on and off camera flash with digital camera and film camera for landscape pictures. Now I do not know what are ...
4
votes
1answer
893 views

What third party Speedlites work best with Canon?

I am currently picking out a flash (speedlite) for Canon XSI. There is a number of third party flashes available from manufacturers other than Canon. They all claim to be Canon compatible but I have ...
4
votes
2answers
204 views

Why does the ISO change with the shooting mode when the aperture and shutter speed are constant and using a flash?

I have a canon 60d, Canon EF-S 17-55mm f/2.8 IS USM lens, and a Canon Speedlite 430EX II TTL flash. I like to use the manual modes, such as Av and Tv but I am having some difficulties when using the ...
4
votes
1answer
120 views

Is diffraction an issue with macro lenses?

I'm looking to try out macro photography and have a rental of the Canon 100mm 2.8L IS and the MT-24EX flash to try out on my Canon 7D. I've been reading that with the flash, you can stop down to ...
4
votes
1answer
1k views

How can I use a Canon 580EX II in manual mode in conjunction with Bryan Peterson's book on flash photography?

I'm trying to follow along with Bryan Peterson's book on flash photography using my Canon 580EX II. In the book, all of the examples are with Nikon flashes and there are some differences in the way ...
4
votes
1answer
408 views

How should I set up a flash bracket for Pentax?

I have a Pentax K-r and a Metz mecablitz 50 AF-1 digital flash unit, and I've been having problems with red-eye. As a result, I'm considering getting a flash bracket. I am aware that I can simply ...
4
votes
2answers
168 views

Can I trigger an optar 152M manually?

First off, I know nothing about flashes. I have an optar 152M flash that fits on top of the camera, and I want to trigger it manually. The flash seems to have a contact where it fits onto the ...
4
votes
1answer
363 views

Should my speedlite burn through batteries when not in use?

I got a Canon Speedlite 430 EX II just a couple of weeks ago and noticed a surprising and annoying feature: If I leave batteries in the flash unit, even with the flash switched off and removed from ...
4
votes
2answers
193 views

How to use in-camera AF light, instead of speedlight AF light?

I have a Nikon D3100 and a Yongnuo YN467 speedlight. What I need is to use thee AF light from the camera body, since I realize it is really better than the speedlight one. Is there any way to achieve ...
4
votes
3answers
1k views

When to use the different modes of National PE-201C flash?

I have a National PE-201C flash, which has the following guide chart: I kind of understand the chart: if I'm standing 3.5 meters away from the subject and have ISO 100 film, I should use an ...
4
votes
1answer
252 views

Does UV light pass through the fabric of a softbox?

Studio flash makers sell both bare flash tubes and flash tubes with a UV coating to block the UV emissions. Quite a few studio monolights come up on eBay without the UV coating, and I'm wondering if ...
4
votes
1answer
282 views

How to set up Metz 35 CT2 flash?

I inherited Metz 35 CT2 flash from my grandfather and I don't have an idea how to set it up for use with my old manual Praktica camera. There is a "slider" which has lens hood numbers on it, DIN ...
3
votes
3answers
209 views

Shooting objects under glass with pop-up flash

I sometimes need to take photos of new devices kept behind glass at trade shows. Currently I have to depend on my camera's in-camera flash. Often the picture is spoilt because of the flash's reflected ...
3
votes
2answers
295 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 ...
3
votes
4answers
942 views

How do I best use a pop-up flash for indoor birthday parties?

I just took photos of a two year old birthday party indoors at a Chucky Cheese. Just bought the Puffer for my flash, as the photography studio said it would be good for the birthday party. I tried ...
3
votes
4answers
1k 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 ...
3
votes
3answers
205 views

Why does my Neewer external flash take a long time to recharge?

I am using a Neewer TT520 flash with a Nikon D7000. I am new to flash photography. When I mount it on camera I noticed that at times the flash didn't fire. I've spent some time researching it and ...
3
votes
3answers
893 views

What is a good off-camera flash for a Nikon D40?

I have a Nikon D40 and would like to start taking pictures with the flash off the camera. The D40 doesn't have a commander in it. So what can I do? Do I need two flashes? One with a commander in it ...
3
votes
5answers
256 views

Does TTL by definition overexpose your subject? [duplicate]

So I'm only beginning to learn TTL but from what I understand the preflash determines how much flash power to use. But the camera already exposes everything correctly for the entire scene (assuming ...
3
votes
1answer
743 views

How can I tell if the built-in flash on my dSLR is broken beyond self-repair?

My built-in flash D50 is broken. It is popping up, but it isn't flashing. It fell down, so is it broken, or can I still fix it?
3
votes
2answers
73 views

Do flash gels affect flash output?

Will flash gels affect the output of the flash? It seems that your are diffusing it to some extent and would need to compensate for it.
3
votes
5answers
203 views

Which Nikon flash will cover the full focal length of a 18-300mm lens?

What's the best external flash for the Nikon 5200 using a AF-S Nikkor 18-300mm lens? I want to make sure the flash covers the length of the lens.
3
votes
5answers
189 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?
3
votes
2answers
303 views

How to avoid shadows under the eyes when using bounce flash?

How can I avoid shadows under the eyes when I am bouncing flash? The first picture below, using bounced flash, came out horrible. The second picture, using direct flash, has no shadows under the eyes. ...
3
votes
3answers
236 views

How does TTL flash metering works in film cameras?

Unlike digital cameras, there are no pre-flashes in film cameras that do off the film metering. In absence of pre-flashes I want to know how camera can determine accurate flash power when flash is ...
3
votes
3answers
3k views

Can Canon Rebel XS effectively optically trigger a speedlite flash?

I am looking at purchasing a flash to go with my Canon Rebel XS (EOS 1000D), such as the Speedlite 430 EX II. I understand that there is some ability to trigger the speedlite by way of the on-camera ...
3
votes
3answers
467 views

How can I get nice, vivid colors in food photography without blown-out brightness from the flash?

Whenever I click pictures of people and food using flash, the whole picture becomes bright. When I click without flash, the camera takes in the light from the surroundings and gives me a monotonous ...
3
votes
1answer
200 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. ...
3
votes
2answers
2k views

What is the best strobe kit/brand for high speed photography?

I will be planning on doing some more indoor studio shots of motion/fast speed photography and curious on what would be your choice for this kind of project? I am familiar with Bowens, Elinchrom, ...
3
votes
2answers
288 views

Using an umbrella type softbox and light quality

When using an umbrella type softbox (a softbox that opens like an umbrella like this one) used with a cobra flash or a light bulb that is INSIDE the softbox : does the tripod tube and the light ...
3
votes
2answers
182 views

How do i set studio flash power for a film camera without TTL/OTF metering

I have just bougnt an old fully manual medium format camera to play with, nothing serious. anyway on the lens there is a flash attachment point, which got me thinking: How do i decide on flash and ...
3
votes
2answers
100 views

Will using a CTO gel help make my flash less distracting in a cafe?

I sometimes encounter a situation where using a flash would greatly enhance the pictures because of the low ambient light, but I don't use the flash as it is mighty distracting in a low-light cafe/bar ...
3
votes
2answers
1k views

What is the difference between a “slave flash” and “master flash”?

My Nissin Di866 II flashgun supports operation in both "slave flash" and "master flash" mode. The former I know needs to be used with a Nikon DSLR's "Flash Commmander" mode. What's the latter mode? ...
3
votes
3answers
481 views

What type of flash/diffuser was used in this picture?

What type of flash/diffuser was used in this picture ? I am amazed of the by level of diffused light. I am sure there is a lot of post processing but i believe the lighting is the most important ...
3
votes
2answers
465 views

How do I adjust the amount of fill-in flash from the built-in flash of my Canon Rebel?

I have a Canon 450D/Rebel XSi. How do I adjust the amount of flash from the pop-up for fill-in flash?
3
votes
2answers
555 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 ...
3
votes
1answer
905 views

Triggering Canon Speedlite manually

I was planning to take a fake multiple-exposure picture: use a dark room, long exposure time, and manually trigger a flash for each exposure. But can I trigger my Canon Speedlite 430EX II manually ...
3
votes
3answers
88 views

What do I need to use off-camera flash on location?

I have a Canon 5D Mk3 a Canon Speedlite 580EX and a Speedlite 540EZ. Also I have an Trek Tech Optera Pro 460 (a GorillaPod-like mini tripod) besides of my 'official' carbon-fiber tripod for camera. ...
3
votes
3answers
161 views

How to recognize different lighting color temperatures?

I'm getting my first "real" flash soon, and I've been studying a bit about lighting techniques. However, the flash comes with little colored plastic covers to match the color of the environment's ...
3
votes
1answer
214 views

How to use this flash settings / chart

I bought a used flash of this model: Adorama Adorlite Twinblit However it didn't came with a manual. Anybody knows how to use these settings? and also this one? Basically the sliders move to ...
3
votes
2answers
1k views

What cheap flashes can be wirelessly triggered by a Nikon SB-900?

I have a Nikon SB-900 and I love it. I am looking to expand my off camera capabilities and would love to buy another flash. The one important factor I'm looking for is the compatibility between my ...
3
votes
2answers
524 views

Why is the on-camera flash trying to pop up when using a D7000 with a MK930 Speedlite?

So I decided to buy a cheap flash to experiment bouncing flash on walls or ceilings. I can't stand flash in pictures so I thought this would be a great way to try, and seeing these things are barely ...
3
votes
2answers
428 views

Is Pentax AF360 same as Jessops 360AFD?

I've got a Jessops 360AFD flash and I'm looking for a diffuser for it (the original one is broken). I have been led to believe it is the same as a Pentax AF360. Is this the case? Or have I had ...
3
votes
1answer
149 views

How do the Sigma flashes compare to (and work with) Canon flashes on Canon bodies?

Sigma produces some very powerful flashes, like the Sigma EF-610 DG ST and Sigma EF-610 DG Super, that cost a fraction of what Canon charges for their Speedlite of same guide number. I'm already ...
3
votes
2answers
413 views

canon speedlite manual :what is stroboscopic flash?

In page #37 of the sppedlite 430exII manual, it says : Features available with type B cameras: Manual flash, stroboscopic flash with wireless flash" What the book means by "stroboscopic flash" Isn't ...
3
votes
2answers
181 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 ...