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13 votes
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Why don't cameras show an "accurate" histogram?

Why don't cameras show a histogram based on the RAW data rather than on the JPG preview? My notion is this: Because it would not be useful, because raw images don't yet have white balance in them, ...
WayneF's user avatar
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7 votes
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Is the Preview file always the photo taken by the camera?

When you take a photo with a digital camera, The camera collects the raw data from the image sensor, processes it, and creates a JPEG preview image. This preview image is attached to the main image ...
Michael C's user avatar
  • 175k
5 votes

Since Picture Profiles don't apply to RAW, why do they affect the viewfinder?

In Sony cameras Picture Profiles there's only one setting that affects RAW files - the GAMMA. Some Gamma values limit your minimum ISO (especially some gammas for video). But for stills for example a ...
Toni K's user avatar
  • 51
5 votes
Accepted

Since Picture Profiles don't apply to RAW, why do they affect the viewfinder?

Picture Profiles do not affect RAW data itself. Except that the EVF and LCD do not show RAW data, they cannot, since that data needs to be interpolated in order to produce an image. They must show an ...
Itai's user avatar
  • 103k
4 votes

How can I preview photos from camera on laptop?

Two possibilities that I can think of. If you are shooting RAW, then you may need to download the Microsoft Camera Codec Pack for Windows 7 which will allow Windows to create thumbnail images as ...
MikeW's user avatar
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3 votes
Accepted

Why are Canon 700D photos under exposed when compared with the preview?

You probably use a small aperture. When autofocus does its work, it usually does it with wide open aperture. That's why you get a brighter image for a small time. It says nothing about the ...
user95069's user avatar
  • 1,106
3 votes
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Nikon D750 - Histogram while shooting?

You can't view histogram via viewfinder, this is DSLR and you see via lens. In live view mode you can press Info button several times and on one of the views you will see histogram.
Romeo Ninov's user avatar
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3 votes
Accepted

Change photo aspect ratio with mac "preview"

If you look in the "Tools Menu" you'll see there's an "Adjust Size…" option. This does not do what you want, but it turns out you can use it to get what you need. You can do the following: Open your ...
user1118321's user avatar
  • 2,893
2 votes

Why do images look sharp on my camera's LCD, but not tack sharp on my laptop?

When reviewing photos on your camera's LCD screen be aware that it will lie like a politician! On the camera's smaller, lower resolution screen depth of field will appear much deeper than it will when ...
Michael C's user avatar
  • 175k
2 votes
Accepted

How to get a full-screen preview of a cropped area in RawTherapee?

Now (version 5.8), you can tick "Automatically zoom to fit the crop" option in the tab Preferences>Image Processing>Crop Editing
Al Csc's user avatar
  • 36
2 votes

Why does my Lightroom/Photoshop preview change after loading?

The main reason Lightroom's generated preview is so different from the embedded one is because it's generating the preview with the Adobe Standard camera calibration by default, whereas the embedded ...
chulster's user avatar
  • 659
2 votes

Why don't cameras show an "accurate" histogram?

Just a guess, but I'd assume camera companies use the JPEG preview for the viewfinder rather than the full RAW data because they probably feel you'd prefer having instant/live feedback when viewing ...
inkista's user avatar
  • 52.2k
2 votes

Since Picture Profiles don't apply to RAW, why do they affect the viewfinder?

PP is never applied to your RAWs, but will be applied to JPEGs (in RAW+JPEG, Fine, Std modes) and RAW previews (what you see while previewing in camera). Why it affects your viewfinder? The way I use ...
DCh-'s user avatar
  • 166
2 votes

How to increase image review time on a Canon T5i?

I guess you mean that pictures show up for only few seconds on your camera's LCD after you snapped them. First of all, you can view images for a very long time by pressing "Playback" button and ...
aaaaa says reinstate Monica's user avatar
2 votes

Since Picture Profiles don't apply to RAW, why do they affect the viewfinder?

This is a feature, not a bug. By itself, a RAW file has no interpretation and there would be nothing to preview. Some kind of Picture Profile (or whatever different brands and software call it) needs ...
mattdm's user avatar
  • 143k
2 votes

Why do preview images in camera LCDs, phone screens, and editing applications appear darker, or with more saturated colors?

My understanding is that the preview image is the embedded JPEG within the NEF file. Therefore, my guess is that you're initially seeing the JPEG and then the unedited NEF file.
frank's user avatar
  • 572
2 votes

Change photo aspect ratio with mac "preview"

why don't you download some other good software? http://x.photoscape.org/mac/ - Photoscape is a good and handy software which helps in quick photo edits, resize, crop, etc. You don't have to go for ...
Immortal's user avatar
2 votes

Playback Screen Showing Too Much Information (Histogram Display)

Check out the 'Help Guide' here. It states Press the DISP (Display Setting) button. To switch the information displayed on the viewfinder, press the DISP button while looking into the ...
BobT's user avatar
  • 6,744
2 votes
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How to set image preview on the Sony A7Riii

The feature you are seeking is Auto Review. It is located in the menu under Display/Auto Review. From page 69 of the manual (pdf): Auto Review: Sets auto review to display the captured image after ...
xiota's user avatar
  • 27k
1 vote

Playback Screen Showing Too Much Information (Histogram Display)

Here are the step-by-step instructions on how to switch the display options for a photo on your Sony Alpha a7 III camera: Turn on the camera and enter the playback mode by pressing the "Playback&...
1 vote

How does the first screen in Luminance HDR works?

You are correct. The various operator options are different previews of the HDR - you can save them as tonemapped LDR images (*.tiff, *.jpg, *.png, *.bmp, *.ppm, .pbm, set from Tools > Preferences, ...
brandonmack's user avatar
1 vote

Why does Preview mess up an image while saving it to OpenEXR?

OpenEXR stores its pixels in linear RGB, whereas JPG stores its pixels in a gamma-corrected RGB. (Technically JPG converts this to Y`CbCr before compression, but that's irrelevant to this question.) ...
user1118321's user avatar
  • 2,893
1 vote

Regenerate DNG previews in Lightroom 3

To regenerate the embedded DNG preview for an image, right-click on the image, choose Metadata, then choose Update DNG Preview & Metadata. I use this process to ensure that the thumbnails that ...
Conor Boyd's user avatar
  • 2,584
1 vote

Can you see a raw preview with digital cameras?

My question is how can you see from the digital screen of camera ,the preview of image in RAW format? The camera creates interprets the RAW data into a viewable image for display purposes, so you can ...
Caleb's user avatar
  • 31.7k
1 vote

Why don't cameras show an "accurate" histogram?

Why don't cameras show a histogram based on the RAW data rather than on the JPG preview? If you shoot raw and know what you do, raw histogram is a great thing to have. But if you don't, JPEG ...
MirekE's user avatar
  • 5,205

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