The ttl tag has no wiki summary.
3
votes
5answers
163 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 ...
4
votes
2answers
104 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
3answers
79 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 ...
0
votes
0answers
28 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
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3
votes
3answers
297 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 ...
1
vote
2answers
89 views
How do you meter for the effects of a TTL flash
I'm experimenting with a shoe mounted flash at the moment. It's a TTL flash and yet the metering doesn't seem to account for the fact the flash will fire, making judging the correct exposure ...
1
vote
4answers
151 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 ...
3
votes
1answer
177 views
Does the Canon DS6041 support TTL flash?
I've got that Canon model, and I'm using it with a Promaster 7500DX flash. The flash appears to support TTL light metering, but I can't find any way to make the camera recognize this. Consequently, ...
3
votes
3answers
151 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 ...
4
votes
2answers
689 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 ...
6
votes
2answers
190 views
Can Nikon flashes display flash power used right after a shot was taken?
I'm trying to compare two camera bodies (Nikon D90, Nikon F100 (digital and film)) with respect to TTL flash power in different situation. I came to know that few Canon flashes can display the flash ...
2
votes
1answer
187 views
Will the YougNuo YN-565EX set as slave work as TTL?
I'm trying to figure out something for a project that's upcoming. I'd like two flashes on stage (maybe three) triggered by an ST-E2 on-camera from the back of the room and various places in-between. ...
1
vote
1answer
279 views
Manual or Automatic Speedlight?
I'm beginner photographer. I thought of buying Speedlight and found cheap Yongnuo 460 for about $35. But it is Manual (No TTL).
Is it hard to use Manual flash without TTL ?
Should I have to choose ...
7
votes
6answers
1k views
Advantages of TTL over manual mode when using speedlites
Yesterday a user on stackexchange asked me why do 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 ...
1
vote
1answer
1k 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 ...
3
votes
4answers
719 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 ...
5
votes
3answers
4k 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 ...
23
votes
1answer
5k 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 ...
1
vote
1answer
441 views
Can I use the on-camera flash along with an off-camera SB-700 on my Nikon D5000?
I recently bought an SB-700 flash for my D5000 and I was wondering what would be my options to use this as an off-camera flash along with the on-camera flash.
Is it possible? TTL cable, wireless ...
6
votes
2answers
1k views
Are there any radio flash triggers capable of P-TTL?
All the popular radio TTL flash triggers, like PocketWizard or RadioPopper, seem to be only available in Nikon and Canon flavors. Are there any models capable of transmitting Pentax P-TTL data?
10
votes
1answer
373 views
Why isn't TTL metering accurate when using a non-electronic lens?
I recently bought a Lensbaby lens and I played with it a lot. Then lens is awesome but I have one big and annoying problem and is that TTL metering fails miserably when using P, TV and M modes.
I ...
1
vote
1answer
305 views
Will the “Pixel Knight TR-332” radio flash trigger work with a Canon 350D?
I am using a Canon 350D/XT and found some information on web that the Pixel Knight TR-332 radio flash may be incompatible with that particular Canon camera due to DIGIC II and lack of Flash functions ...
6
votes
1answer
215 views
Are there risks in using a third-party TTL cable?
I see that the cables that support TTL offered by manufacturers such as Canon and Nikon for using a flash off-camera are fairly spendy and that there are some third-party cables at a fraction of the ...
18
votes
3answers
6k 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?
