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question for EVF users

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jamesmd View Drop Down
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Post Options Post Options   Quote jamesmd Quote  Post ReplyReply Direct Link To This Post Topic: question for EVF users
    Posted: 11 November 2012 at 17:33
I have used one for very little time , but I find the same using the Nex 5n

Do you think using the EVF yo tend to adjust the exposure to what you are seeing , I mean , you don't take much care of the "numbers " and this can be tricky .

Just wondering , not saying its a problem .

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Bob J View Drop Down
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Post Options Post Options   Quote Bob J Quote  Post ReplyReply Direct Link To This Post Posted: 11 November 2012 at 17:55
I find I use the appearance of the screen quite a bit - useful because it does give you an 'actual' version of the finished product - improtant to remember that there will be more shadow and highlight detail than can be shown on the screen though (because the LCD cannot down the full dynamic range available), so if I want what is in the shadows I brighten until I can see and then take it back a stop or two.
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Post Options Post Options   Quote Hotdog Quote  Post ReplyReply Direct Link To This Post Posted: 11 November 2012 at 18:04
Yes I quite often twiddle t'knobs without reading them off to get the image in the EVF right! :)
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Serdar A View Drop Down
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Post Options Post Options   Quote Serdar A Quote  Post ReplyReply Direct Link To This Post Posted: 11 November 2012 at 20:48
Originally posted by jamesmd jamesmd wrote:

Do you think using the EVF yo tend to adjust the exposure to what you are seeing , I mean , you don't take much care of the "numbers " and this can be tricky .

Yes, but you still need to check the numbers, particularly the shutter speed, otherwise you run the risk of picking a very slow shutter speed while dialing in exposure compensation in aperture priority mode. My usual approach is to set the aperture, dial in exposure compensation, check the shutter speed, and adjust ISO accordingly for common situations. There are many exceptions such as BIF and long exposures where I do not use aperture priority mode.

What the sensor sees is the RAW file which is unique for your exposure settings and what the EVF shows is a particular JPG conversion of it with wide open aperture (out of many possible conversions). What this means is what you see in the EVF will give you a very good start in the post-processing.
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Post Options Post Options   Quote whiteheat Quote  Post ReplyReply Direct Link To This Post Posted: 11 November 2012 at 21:13
I always shoot in manual mode, so I pick my aperture and shutter speed beforehand with regard to circumstance and conditions, etc. Once these are set, I just set exposure compensation according to lighting conditions. The following examples are just a rule of thumb guide that I use when shooting:

Lighting Condition                                           Exposure Compensation
Very bright high sun day, no cloud.                 -2
Very bright but overcast or low sun.               -1.5
Average brightness normal overcast.              -1
Dull or darkish overcast or
bright indoors.                                           -0.5
Indoors average lighting.                               0

These are just rough examples and will vary by some degrees either way depending on the exact light at the time of shooting. Most of the shots taken will be deliberately under exposed just so that the detail in the higher or lighter tones can be captured or at least not lost and the detail in the darker tones can all be brought out in Post Processing.

Edited by whiteheat - 12 November 2012 at 02:35
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Post Options Post Options   Quote Tricky01 Quote  Post ReplyReply Direct Link To This Post Posted: 11 November 2012 at 21:39
Very good point Serdar, and one I haven't consciously considered until now. Yes, I think I do to a certain extent. I've previously thought the 'live view' appearance through the EVF was a useful setting but I can see how it could have such a negative impact.

I think the thing that drives this behaviour more so though is the removal of the traditional (A700/850/900) 'Fn' button facility. It worked so well in tandem with the dials but the A77 just separates all the settings across buttons and dials makes it inaccessible and divided.

Am I right in thinking the A99 re-enables the Fn button functionality?


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Post Options Post Options   Quote Pallanza Quote  Post ReplyReply Direct Link To This Post Posted: 11 November 2012 at 21:48
With my A77, I normally check exposure visually with the EVF(as I had been used to with my Minolta 7Hi and Dimage A2, but not with may A700).

Under very bright conditions, I do ignore the EVF, because it shows a too dark image. In these cases I do rely onto the camera's automatic exposure.
Shooting raw, it is normally no problem to do some later adjustments i f necessary.

Overall, I do prefer the EVF over the OVF especially because of this point (exposure control). I do not need to see all details etc. of the motiv in the viewfinder, I want to control exposure, WB and histogram before shooting.
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Post Options Post Options   Quote Jakuli Quote  Post ReplyReply Direct Link To This Post Posted: 11 November 2012 at 22:09
I use the EVF (Nex-7) to judge the exposure quite a bit. The way I shoot is that the aperture is always pretermined for the shoot I'm after, after that I dial in the slowest shutter speed I can go along with and the work the iso setting and shutter speed to get a decent exposure through the EVF. When I'm in for a high-key image or lots of snow in the scene I rely on the live histogram to get close enough. I always work in manual mode and frequently use a hand-held light meter, which helps a ton in strobe work or in street photography. Overall, I think the use of the EVF and manual exposure have been big thing for taking my photography a step forward.
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Post Options Post Options   Quote romke Quote  Post ReplyReply Direct Link To This Post Posted: 11 November 2012 at 22:54
i use the EVF with my NEX 7 and nowadays the a99 quite a bit - by looking at the histogram that is. the brightness of the EVF is set to "auto" in both cases which means that when shooting in dim light it shows the image lighter then what really is recorded.

that is no problem at all, because you see more then you would see when it was more lifelike, but you may be tricked to alter the exposure settings, which will render the images too dark. by watching the histogram you can avoid that.

in very bright lighting the EVF will not be able to show detail in both the shadows and the highlights. that may be annoying at first, but the sensor is far more capable in recording detail ten the EVF can show - just keep the histogram from clipping and you will be ok. the EVF of the a99 seems less vulnerable to clipping though then the EVF on the NEX 7.
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Serdar A View Drop Down
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Post Options Post Options   Quote Serdar A Quote  Post ReplyReply Direct Link To This Post Posted: 11 November 2012 at 22:57
Originally posted by Tricky01 Tricky01 wrote:

I think the thing that drives this behaviour more so though is the removal of the traditional (A700/850/900) 'Fn' button facility. It worked so well in tandem with the dials but the A77 just separates all the settings across buttons and dials makes it inaccessible and divided.

The way the Fn button works might look different (matrix on A700/900 LCD, two columns on each side on the A77 LCD/EVF), but it provides the same functionality. Note that you can still see what you are shooting while you are using the "new" quick-navi, while the "old" one would have taken the entire screen. If you can compare, check to see how many joystick moves it takes to change settings in either case, I suspect they will be similar.

Edited by Serdar A - 12 November 2012 at 17:15
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Post Options Post Options   Quote glassesofwater Quote  Post ReplyReply Direct Link To This Post Posted: 12 November 2012 at 02:35
Since I've been using setting preview and live histogram, I didn't get one overexposed shot. Set exposure the way you want in the EVF, check shutter speed, check histogram, press the shutter. It is that simple.

Only if you could use the spirit level and histogram together...
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Post Options Post Options   Quote Hemisfear Quote  Post ReplyReply Direct Link To This Post Posted: 12 November 2012 at 15:54
"Only if you could use the spirit level and histogram together... "

+1
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Post Options Post Options   Quote kefkafloyd Quote  Post ReplyReply Direct Link To This Post Posted: 12 November 2012 at 16:12
You can use the histogram and level together on the Quicknavi screen on the a99, which is something but not quite what you're angling for.
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Post Options Post Options   Quote groovyone Quote  Post ReplyReply Direct Link To This Post Posted: 13 November 2012 at 14:33
Originally posted by Hemisfear Hemisfear wrote:

"Only if you could use the spirit level and histogram together... "

+1


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