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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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votes
1answer
326 views

Multiple flashes with different trigger voltages

I have the following: Nikon D3100 (max 250V trigger voltage) Vivitar 2600 flash (148V trigger voltage*) Yongnuo YN465 flash (6V trigger voltage) Hot shoe universal translators** I'd like to use ...
5
votes
3answers
1k views

How does commander mode on a Nikon camera body differ from commander mode a on SB-700 Speedlight?

My Nikon D80 and new Nikon SB-700 both offer Commander mode. I have two questions: When NOT in wireless mode (that is, when the flash is plugged into the hot shoe either directly or with a cable), ...
5
votes
3answers
2k views

Why does using my slave flash darken the image?

Why does my slave flash at full power actually seem to darken the image? The camera (Lumix G1) is set to M-Mode, forced flash at -2, f6, 1/30s. I set my external flash (Nissin Di466 FT) to slave mode ...
4
votes
2answers
152 views

Does a flash's TTL automatically adjust as I change its location?

I just bought a radio trigger for my flash. I was just wondering if I understood TTL correctly, as I move the flash around and changes the distance does TTL automatically try to compensate (assuming ...
4
votes
1answer
574 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
5answers
3k views

What third-party speedlite/flashes are available for Nikon?

I'm looking for a flash with a budget of < $200. I have a Nikon D3100, and I'm a beginner with photography, who is taking some classes and wants some flexibility with a decent bounce flash. I was ...
3
votes
3answers
1k views

How to illuminate an outdoor night time portrait with a cityscape background?

I encountered this problem the other day at one of the many skybars in Bangkok. I wanted to take some photos of my friends enjoying their drinks, but the situation had a few challenges; the only light ...
3
votes
5answers
415 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
2answers
4k views

What are the (dis)advantages of the Canon 600EX-RT compared to the 430EX and 580EX?

I'm considering buying a flash for my Canon DSLR. I noticed the 600EX recently came out. What are the pros and cons of the new 600 flash versus the other two mentioned in the title?
3
votes
4answers
205 views

Which flash modes use the least power?

Cameras have a variety of flash modes (e.g. Fill-in Flash, Slow Shutter Flash, High-Speed Sync, Rear Curtain Sync, Slow Sync Flash, etc..) So, which are the flash modes that use the least power ...
2
votes
4answers
399 views

Why is the bottom half my picture black when shooting with Cowboy Studio remote triggers?

This is my very first day of shooting with flash and remote flash. And picture turned out like this: Bottom half of it is black. I have no idea what has caused this and how to prevent it? I just know ...
2
votes
3answers
254 views

If TTL only preflashes once, how does it get correct exposure immediately after?

If I understood TTL correctly, say you are in M mode with a camera and you have intentionally underexposed. The flash in TTL mode theoretically would try to add enough light to correctly expose the ...
2
votes
6answers
671 views

What is the most effective way to get soft light from hotshoe flash indoors?

I'm thinking of getting a flash for better indoor pictures. I was looking at the 430EX Speedlite as a good unit in budget, but still having lots of capability. How do I use this most effectively ...
2
votes
1answer
693 views

What is the relationship between Guide Number and flash power level?

From this post, I understand that the flash guide number (GN) is given by the following formula: Guide Number = Shooting Distance × f-number ÷ ISO factor I'm assuming that the GN calculated via the ...
1
vote
4answers
226 views

Why does flash exposure compensation of 4EV have such an unnoticeable effect?

I took two photos, one with flash exposure compensation set to -2EV: and the other with +2EV: I find a minor, almost unnoticeable difference between these two photos. But there's a difference ...
1
vote
3answers
234 views

Fashion Photography Lightning Tips (Location - Ad Hoc - Portable) [closed]

I am looking for some Lightning gear in order to start shooting Fashion Photography on Location. Need something portable and I am not sure if flash would be ideal. I have been thinking about Ring ...
1
vote
2answers
3k views

nikon d3100 built in flash not working

I’ve been using my D3100 for awhile now. Today I took a few pictures using the flash and everything worked fine. After that I spent some time exploring menu set-up options and played with a few ...
1
vote
2answers
167 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 ...
1
vote
5answers
361 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 ...
1
vote
3answers
209 views

What flash unit should I choose for taking photos on a night boat cruise?

I'm going to a boat cruise tonight in London. With the following kit to choose from: Nikon D7000 Nikkor 35mm f/1.8 Nikkor 16-85mm f/3.5-5.6 Nikon SB-400 Yongnuo YN-465 I need to make a choice ...
1
vote
2answers
810 views

How do I know if it's safe to use an older film flashgun with a modern digial camera?

I've read from many sources that film flashguns won't work with newer digital cameras due to voltage differences and timing differences (and trying may in fact damage my camera), however I have heard ...
0
votes
1answer
46 views

How do I set a remote flash's power using Nikon CLS system?

I am using Nikon's CLS system to use the camera built-in flash as commander and the SB-910 flash as remote flash so I have set the SB-910 in remote mode and it does fire but I can't find a way to set ...
0
votes
1answer
350 views

What Yongnuo wireless triggers work together?

Will a Yongnuo YN-622-TX operate a Yongnuo RF-605 attached to a remote YN-565EX flash, and will it allow the 622 to perform eTTL operability with the remote flash? Also will the YN-622-TX operate a ...
0
votes
3answers
1k views

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

Given a Profoto B1, a Profoto AIR Remote TTL-C, and some Canon 600EX-RT , what configurations work with triggering these items together. Additional items are allowed (slave triggers, pocket wizards, ...
0
votes
2answers
452 views

Inconsistent TTL results when flash used off-camera (YN565 EX II)

I've got a Yongnuo 565 EX II that meters flawlessly when attached to the hotshoe of my 60D, but is very inconsistent when used off camera and slaved to the built in flash unit. It frequently doesn't ...
0
votes
1answer
248 views

Is there any alternative to Nikon SU-800?

I just got the kit R1 (without the SU-800) with the two flashes Nikon SB-R200. Because now I have a D300, I am will make my pictures using the integrated flash (with the provided IR converter from ...
0
votes
3answers
4k views

Why is the lower part of the picture black when using a Canon flash on a Nikon D700?

I haven't used external flashes before and a friend has let me borrow her Canon flash on my Nikon d700. Problem is, when I use it the lower part of the picture is black. The percent of the lower part ...
0
votes
1answer
2k views

“Flash busy” (Canon EOS 1100D) message - When does it happen and why?

Yesterday I faced with a situation where I saw very often the message of "flash busy" with no chance to shoot. As I understand it can happen when battery power to flash is low, but I use only built-in ...
0
votes
3answers
989 views

What to look out for in indoor restaurant photography?

I'm tasked with documenting a company event we are hosting in an restaurant. As you can see the place is lighted but I'm sure it's still consider dark for photography. I'm not a professional ...