Tagged Questions
4
votes
2answers
94 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 ...
0
votes
0answers
21 views
Will the camera compensate exposure anticipating for flash? [duplicate]
If I'm using TTL metering will the camera compensate exposure anticipating for flash? In other words, if I set my flash on fill flash and half click my shutter, what does my camera do? Does it
...
1
vote
3answers
239 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 ...
0
votes
0answers
56 views
Why does my flash have lower power in automatic than in manual? [duplicate]
I have a Sony HVL-43AM flash. I've found that when I'm in automatic mode, when I dial the flash exposure compensation to -2EV I was able to get a much weaker flash than if I went manual with the flash ...
1
vote
4answers
139 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 ...
0
votes
3answers
316 views
What could cause severe under-exposure when using a Canon 5D Mark III with Speedlite 600EX-RT with Evaluative E-TTL2 metering?
I recently purchased a Speedlite 600EX-RT for use with my 5D Mark III. I'm shooting with a 17-40 f4/L lens. Particularly when using the flash in the standard forward position, I get extremely severe ...
2
votes
1answer
69 views
Synchronization problems with Rekam NEO 200 and Canon 600D
I've recently got two Rekam NEO 200 lamps with synchronization cable. To connect them to my canon 600D i've bougth an adapter.
The flash seems to sync correctly when setting exposition to values ...
1
vote
1answer
158 views
Why would I use FEB (Flash Exposure Bracketing)?
In what situation would using FEB (Flash Exposure Bracketing) be a good idea? Exposure bracketing can be blended together with HDR, but why would I use FEB?
5
votes
2answers
213 views
Should my Nikon D3100 adjust settings to allow for use of flash in AP or SP mode
When I'm shooting with the onboard flash in low light conditions, I observe the exposure preview settings between no flash and the flash popped up - there appears to be little or no difference between ...
1
vote
1answer
146 views
Skin tones become yellower/ oranger when flash is on
When I take pictures of people, the yellow and red tones seem to be enhanced and the result is a more jaundiced complexion in best case scenario and orange and a bit shiny if their skin is a bit oily. ...
4
votes
2answers
666 views
Pentax P-TTL: Why and when does underexposure occur and what can I do?
Pentax's P-TTL flash metering system tends to be unreliable and may underexpose at times. When and why does the system underexpose and what can I do? I want to know the situations that cause flash ...
2
votes
4answers
563 views
How do I prevent the background from going dark when using the flash with a subject?
This is with Flash, short shutter exposure time, and zoomed in
This is without Flash but with long shutter exposure time
when using the Flash the background tends to get dark and the subject ...
5
votes
3answers
3k views
How does TTL flash work in manual exposure mode?
I got the Metz 44 AF-1 flash recently that is TTL capable for my Canon 550D, and have been reading around to get a better understanding of using flash on-camera (Neil Van Niekerk's article on flash ...
4
votes
3answers
405 views
Why are there multiple contradictory ways to control flash ratio?
I am reading the following introduction to flash photography:
http://www.cambridgeincolour.com/tutorials/camera-flash-2.htm
In this article, I came across two seemingly contradictory statements:
...
13
votes
2answers
998 views
How can I think logically about getting correct exposure with flash?
I recently got a new off-camera flash (Nikon SB-700), and I'm having trouble thinking about the variables that go into proper exposure.
For example, without flash, I have a little mental decision ...
4
votes
4answers
1k views
Why does my Canon 60D sometimes lengthen exposure when using the flash?
In low light conditions, my first shot will often be handheld with no flash. If there's not enough light however, the shutter speed can be too slow and I'm not steady enough for a crisp image - so ...
11
votes
9answers
3k 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 ...
10
votes
2answers
341 views
Why does exposure compensation have no effect with my hotshoe flash?
Taking photos with my Canon XTi and 550ex. Camera exposure compensation did not seem to effect the exposures. I figured out I needed to use the on-flash exposure comp.
But the flash output is ...
16
votes
3answers
5k views
How do I predict exposure when using flash?
So I've got the basics down for the exposure triangle, but sometimes you just need to add more light to the room and the flash can be the most convenient way of doing that. The problem is that the ...
8
votes
2answers
988 views
Creating silhouettes in a studio environment
The trick to creating silhouettes in the field, as far as I know, is to use spot-metering and to expose for the background. However, this is a bit more difficult in a studio environment. What is the ...
8
votes
3answers
1k views
