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The means by which a camera automatically determines exposure settings such as shutter speed, aperture, and ISO (sensitivity).

learn more… | top users | synonyms

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4answers
1k views

How to get meter reading for a DSLR if not from a gray card?

I read an article called Expose (to the) Right, which explained why you should try to get the graph of the histogram as much to the right of the scale as possible. The reasoning is that DSLRs record ...
2
votes
3answers
149 views

How to adjust exposure for both the sky and the landscape?

I am using Canon 600D. I am facing a problem in composing, where I will be taking pics at mid day with full of sunlight, half of my frame filled with with sky and other half any scenery (may be a ...
2
votes
5answers
1k views

How to meter for manual bounce flash?

I use a Yungnuo flash in manual mode. I use it mostly indoors, so I bounce the flash off the ceiling. What is a good approach to read the camera metering and make adjustments to flash intensity? My ...
0
votes
1answer
70 views

How do I take the right exposure quickly with Nikon D5300 and old AI-S Lenses?

I've inherited an interesting set of old AI-S lenses from my dad. I use them on my Nikon D5300. They do work, but only in fully manual mode. It's cool that I can use those lenses but it takes me a ...
19
votes
4answers
23k 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?
8
votes
1answer
4k views

How to calculate Lux from EV?

Instead of looking up a chart, how can I calculate Lux from EV? Thanks!
6
votes
1answer
144 views

Why don't cameras have metering modes that expose RAW files to the right?

Cameras could do ETTR quicker and more accurately than humans, and without the risk of actually clipping any pixels. The camera could then write a field to the RAW metadata telling the viewer home ...
0
votes
1answer
77 views

Even exposure for portrait photos [duplicate]

I'm using a Canon Powershot sx510hs which is an advanced point and shoot camera with 30x optical zoom. It has only one focus point at the center. Whenever I am trying to take portraits, having sky as ...
2
votes
2answers
243 views

Can changing metering mode change focus?

I've Canon 600D and I use the back button to focus and the shutter to meter, I've been using spot metering for over 2 years for now and I understand what's the difference between it and evaluative, I ...
0
votes
1answer
73 views

How can I calculate settings for manual flash to reduce trial and error? [duplicate]

I have two Yongnuo 560-III flashes that I have been using for a while, In order to get good results I am having to do a lot of trial and error. Adjusting power, zoom, moving them around etc. Is there ...
3
votes
5answers
1k views

Why would you have a light meter chose your aperture for you?

The title of my question may seem misleading; I don't intend to ask how a proper exposure is calculated. I know the exposure triangle of ISO, aperture and shutter speed. But in several articles ...
4
votes
2answers
2k views

What is a light meter, how do I use one, and for what sort of digital photography do I need one?

What is a light meter? How do I use one? What sort of photography will fool a digital camera's meter? Hence for those you do need to meter.
7
votes
3answers
385 views

Why do I meter under the chin with a lightmeter?

Every single tutorial or video has advised to meter for a portrait right under the chin. First of all why? If the face is the most important part, wouldn't you meter right at the face? Secondly, I ...
5
votes
1answer
406 views

Do I need a $600 light meter or will a $250 one do?

I want to learn more about light and I think finally getting a light meter will help do the trick. I'd like to see the amount of light coming from different light bulbs and the differences in the sun ...
5
votes
2answers
221 views

How do dedicated light meters account for light transmittance?

Dedicated light meters seem to be well-regarded for their versatility and accuracy of metering. What puzzles me about them is how can they account for the different light transmittance of different ...
7
votes
1answer
338 views

What is the device held near the subject's face in this picture?

I have seen this device that is used widely in filmmaking. What is this device and what is it used for?
1
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0answers
48 views

Lightmeter not changing values after adjusted flash power?

This is my first time learning to use a light meter. Measuring ambient seems to be working and straight forward. However measuring the flash seems to be broken. I have it set to wait for a flash. ...
7
votes
1answer
571 views

How to select a light meter?

I'm looking for a light meter to use with an old film camera that doesn't have a working meter, and the bevy of options with prices all over the place is a bit overwhelming. I'm trying to narrow down ...
34
votes
6answers
5k views

Why use a dedicated light meter instead of the one built into the camera?

I know a few people who carry around a dedicated light meter unit (such as this one by Sekonic) and use that to meter photos instead of using the meter built into their cameras (and these are ...
3
votes
2answers
186 views

How do I read the shutter speed from my light meter?

I'm very new to photography. I am doing objects in studio light conditions. I have an Olympus OM-D E-M1. I was given a Sekonic 478DR light meter. Trying to play around with it, and I can't figure ...
1
vote
2answers
119 views

Why change to open-aperture metering when this causes the need to stop-down for old lenses

On my Pentax ME Super with a legacy lens (Pentax SMC 50mm 1.7) my camera meters at all aperture ring settings. Yet, if I transfer this lens to a modern Pentax DSLR, I need to stop down the lens to ...
1
vote
2answers
153 views

What's the best equipment to use for off-camera fill-flash on location?

I want to be able to use off-camera fill in flash, but I'm not sure if my equipment is up to scratch. I have a Canon 550D camera and 430EX (MkI) speedlite. I can use E-TTL when the speedlight is ...
0
votes
0answers
58 views

Minolta x370s low range led blinks in all light conditions

Using my old Minolta x370s it always shows the metered light as being below the cameras range and the low range led blinks, even in very bright conditions and with the largest aperture. Is this ...
0
votes
1answer
77 views

Does making a focus area smaller in spot metering help with focusing?

In my camera there is a spot metering mode that its icon is one small circle inside a rectangle. Then in the camera menu I can set how many millimeters around the area is the spot area or something ...
0
votes
2answers
133 views

How can I know how far the in focus area extends [duplicate]

I know when for example camera is on f2.8 it means an area in front and back of the place that focus is, will be in focus and areas closer or farther will be out of focus, but if it is for example ...
5
votes
1answer
299 views

Is it normal for Nikon DSLR viewfinder and live view shutter speeds to differ?

I have a Nikon D600 set up on a tripod in a room with decent light. I've tried using 2 different lenses & when I switch from the viewfinder to live view, and vice versa, the shutter speed is ...
7
votes
3answers
3k views

What is the EV scale?

I have seen an "EV" (exposure value) scale that's sometimes used to express a camera's exposure settings, or scene brightness. How exactly does this scale work?
3
votes
1answer
164 views

Why are gray cards, and not red or other colour, used for camera metering?

And how different is 18% gray from 18% red? I was thinking about the properties of light and spectrum to better understand the camera metering mode. 18% means approx 1 out of 5 photons will be ...
1
vote
2answers
235 views

how to determine how much power to use in manual mode for external flash? [duplicate]

i recently added an sb700 to my d3200 and am unsure how to determine proper amount of power to use in photos. in another thread here on stack exchange, it was suggested that the ttl metering makes a ...
18
votes
4answers
14k views

How do I “focus and recompose” using spot metering?

I usually use the "[auto]focus and recompose" method for taking candid photographs. In situations where there is a high degree of contrast, I would like to use spot metering to correct expose for ...
1
vote
0answers
118 views

How to adjust power on Yongnuo-14 EX Macro flash ring and Yongnuo 560 slave?

I recently purchased the above item and I am ready to toss it in the trash! Why? Because the directions that come in the manual are NOT for camera rookies. Terms I don't understand, etc. However, all ...
18
votes
5answers
17k views

How well do smart phone light meter apps work?

There are a number of smart phone apps which use the phone's camera as a light meter. How well do these work? The metering built into most modern cameras is very powerful and accurate, but in some ...
9
votes
3answers
3k views

Metering - How to account for the light from the flash

I pretty much use Manual mode (in my Nikon D40) and learning quite a lot from it. Though I understand "Metering" for correct exposure, I've trouble understanding it while using Flash (both in-built as ...
2
votes
2answers
141 views

How does a camera meter light when the shutter is closed?

I have read when we check the image from viewfinder, we can set the aperture, shutter speed and ISO based on the light coming through the shutter. But, only when we click the shutter release is the ...
9
votes
5answers
1k views

Is it usual that a narrow aperture gives a darker picture in aperture priority mode?

I have a Nikon D60 camera here with a Nikkor 35 mm 1:1.8G lens. I don't have any experience with any other digital SLR, so excuse the beginner question. When using aperture priority mode, a narrower ...
1
vote
1answer
321 views

How do analog photography light meters work?

I have a Canon AE-1 film camera. It works well and I've several FD, FL and Vivitar lenses. For recent digital cameras, I know how the light meter works. However, with this old camera, I would shed ...
2
votes
3answers
176 views

Does a good light meter eliminate the need for exposure compensation?

I am new to photography but have a fairly good understanding of exposure. I know the camera's light meters are easily fooled and hence the need for exposure compensation where a photographer have ...
2
votes
2answers
363 views

Which metering mode is best for portraiture using a white background?

I was wondering whether its best to use spot, centre weighted or matrix metering for portraiture when using a white background. It feels like it could be better to use spot or centre weighted to make ...
9
votes
3answers
627 views

Why are exposure settings different while using different lenses under the same lighting conditions?

I was shooting a scene, using a Canon 28mm 1.8, and after a few seconds I switched to a Canon 100mm 2.8, and the in-camera meter was suggesting different exposures! Why does this happen? Is this ...
3
votes
4answers
1k views

Can different metering modes affect sharpness for a m42 prime lens?

Recently, I got some old m42 prime lens from Ebay and started playing with them with my Canon T3i/600d. However, it's difficult to get sharp pictures with these manual focus lens as there is no AF ...
2
votes
2answers
227 views

Why is my camera metering indoor scenes as darker than I expect it would?

I am shooting in natural light, with my subject facing a full floor-to-ceiling south facing window. You would think my meter would allow ISO between 200-400 in bright light, but I was lucky to get it ...
7
votes
3answers
826 views

Is center-weighted metering a type of spot-metering?

Does center-weighted metering use the same camera/lens adjustments as spot metering with the exception of the focus which is in the center? Or is there a technical difference in the way ...
0
votes
2answers
702 views

Why is my Canon 7D light sensor under-sensitive?

It seems the light meter indicator in the viewfinder on my Canon 7D underestimates how bright the picture will be. This makes for overexposed photos whenever I use anything other than full manual ...
0
votes
2answers
227 views

Should I always use point-autofocus and spot metering while shooting a small restless bird in a bush?

I am a beginner and I am finding more and more images to be out of focus or grainy when viewed on a computer screen, compared to the camera LCD. Could anyone give a step by step listing of the ...
1
vote
3answers
172 views

Effect of Metering on Captured Image

I've been using the advanced metering modes on my Canon EOS 7D (and also on an XSI I owned previously) for several years now. I had always assumed that the purpose of the different metering modes was ...
8
votes
5answers
2k views

How can I work around metering issues with adapted lenses on a Canon DSLR?

I have a bunch of Contax lenses (C/Y mount) and a mount adapter with "dandelion" chips. This should allow me to use my lenses on any Canon DSLR using aperture mode and stopping down the lens. Thanks ...
4
votes
3answers
1k 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
1answer
3k 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
votes
1answer
404 views

What would be an accurate light meter app on Android? [closed]

This question was 2 years ago and it talks about light metering apps for smart phones. Can someone suggest a good (accurate) light meter app for Android (specifically Google Nexus 5)?
7
votes
5answers
1k views

Will metering from a DSLR apply to a film SLR?

I still like to shoot with film (I use a Nikon F3) but I like the immediate feedback of digital. I'm thinking of buying a used DSLR to help me get the framing and lighting right when I shoot static ...