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23 votes
Accepted

What type of editing is necessary to achieve this type of watch photo?

To me, it is just that you dial is over-exposed, easy to fix with the Curves tool of your editor: In other cases, just using the contrast tool could be easier, but here this would blow out the ...
xenoid's user avatar
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19 votes
Accepted

Why the color is different in two pictures in similar conditions and setting?

The camera's metering system and auto white balance system are basically a database of many shooting scenarios, and the camera tries to "guess" what you are shooting and how you want it to ...
osullic's user avatar
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13 votes

Taking a scene from a video I made

VLC can snap single frames using a key command [default Cmd/Opt/S on Mac, idk on Win]. It's obviously easier to get the correct frame in pause. You can advance one frame at a time using the ] key.
Tetsujin's user avatar
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9 votes

What type of editing is necessary to achieve this type of watch photo?

You might be surprised by how good the simple 'Auto Tone' command is in Photoshop [Image menu]. It's always worth giving it a go before getting into any more detail. Sometimes it just gets it right ...
Tetsujin's user avatar
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9 votes

What type of editing is necessary to achieve this type of watch photo?

I think that rather than starting from the post-processing, you should consider another lighting approach. If you look at the images you posted as examples of what you want to achieve, they all have a ...
Gurdulù's user avatar
9 votes
Accepted

Taking a scene from a video I made

You can use for example ffmpeg program to extract the image. The command will be something like: ...
Romeo Ninov's user avatar
  • 12.2k
8 votes

Why the color is different in two pictures in similar conditions and setting?

To give a somewhat practical answer... I notice there is what looks like a wall or something in the foreground (quite out of focus) in the "more correct" picture. This wall appears to be ...
Matthew's user avatar
  • 211
8 votes

What type of editing is necessary to achieve this type of watch photo?

Move your lights lower relative to the cone, or move them farther away. The two options will have different effects... to understand them it is easier to think of it in terms of creating the ...
Steven Kersting's user avatar
6 votes

What type of editing is necessary to achieve this type of watch photo?

When your photograph looks like it has a grey tone, or seems like you're looking at it through a fog, it means that very few of the pixels have the darkest values. In your photograph, 99% of the ...
Mark H's user avatar
  • 301
5 votes

Why are my blacks coming out so noisy on a Pentax K-30 DSLR when using RAW format

I can't answer in regards to the camera itself, as I don't know Pentax at all, but… You're very short on light. f/7.1 1/25s ISO 12800 You can get away with 1/25s exposure time if you're on a tripod. ...
Tetsujin's user avatar
  • 23.4k
5 votes

What causes a dark curvy line to appear in a photo of sky?

The image sensor chip at the back of the camera, behind the lens, is dirty, it has a filamentary object or a human hair resting on its surface. The sensor is protected by a thin over-glass. This is ...
Alan Marcus's user avatar
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5 votes

Why are my blacks coming out so noisy on a Pentax K-30 DSLR when using RAW format

The backgrounds are coming out a mottled blue\gray with a lot of noise on it, rather than black. The objects that I'm photographing look washed out. I don't have this problem other colored backgrounds....
Steven Kersting's user avatar
4 votes

Why the color is different in two pictures in similar conditions and setting?

Why the color is different in two pictures in similar conditions and setting? Because you told the camera to use Auto White Balance and then, in the "eyes" of the camera's logic system, ...
Michael C's user avatar
  • 175k
3 votes

How to know the image quality (blur) on a picture?

You need to make sure that your shutter speed is high enough when the subject is moving. One way is to shoot in shutter priority mode (the “S” on the PASM mode dial): you set the shutter speed, camera ...
Jan Wedekind's user avatar
3 votes

Robert Frank photo

The yellowing is not due to exposure; and it is not something that could be done intentionally (for a specific result). The yellowing is typically due to errors in the print developing process, either ...
Steven Kersting's user avatar
3 votes

Why does Lightroom CC Library Module adds grain and/or texture to certain of my images that is not present in the Develop Module?

The issue is probably the type of preview the library module is using. The library module and the develop module do not use the same files unless you create and edit smart previews (or non-raw files). ...
Steven Kersting's user avatar
3 votes

What causes a dark curvy line to appear in a photo of sky?

As others have pointed out your sensor is dirty. You have at least two other visible specks: The more closed (the higher the f-number) the lens is(*), the more visible the dust specs are, so you ...
xenoid's user avatar
  • 21.5k
2 votes

What causes a dark curvy line to appear in a photo of sky?

This is because on your sensor or back of your lens you have thread. Inspect the lens and use air blower to remove it. About sensor check if your camera have dust removal function and use it. Also you ...
Romeo Ninov's user avatar
  • 12.2k
2 votes
Accepted

Which JPG has better quality? And which Exif Byte Order is better?

I don't think there's any perceivable difference. Visually they seem identical, even at extreme zoom. There are some minor & unimportant differences in the metadata. The dotted line here is where ...
Tetsujin's user avatar
  • 23.4k
2 votes

Why does using flash sometimes create these white spots in the photo?

These are dust orbs caused by backscatter. The light from the flash is being reflected by the (out-of-focus) dust particle back to the lens. Because the dust is out of focus, its reflection looks like ...
inkista's user avatar
  • 52.4k
2 votes

Canon EF 40mm f2.8 consistently sharp across the frame?

According to what I see on this site 40mm is sharper, but not consistent over the frame. OK, I am not optics expert, but AFAIK there is no lens which have same sharpness in the center and corners. P.S....
Romeo Ninov's user avatar
  • 12.2k
2 votes

Why the color is different in two pictures in similar conditions and setting?

As we compose each picture we take, the camera’s logic (automatic mode) chooses the shutter speed and aperture setting based on its built-in logic. The results, most of the time, will be very ...
Alan Marcus's user avatar
  • 39.3k
2 votes

Why are my blacks coming out so noisy on a Pentax K-30 DSLR when using RAW format

I don't yet understand what all the settings mean, or how they are used, as I previously just used a mobile phone set to Automatic. Mobile phones usually use aggressive noise reduction and increased ...
Euri Pinhollow's user avatar
1 vote

How to know the image quality (blur) on a picture?

If the image sharpness/contrast degrades before you start to see the square shape of the pixels the image is made of, then you did not achieve 100% pixel level sharpness. But that is not a problem; ...
Steven Kersting's user avatar
1 vote

Why are my blacks coming out so noisy on a Pentax K-30 DSLR when using RAW format

How does the exposure automatic work? As already pointed out, the exposure automatic works best if there is a motive with a usual distribution of light levels. It will fail in edge cases like an image ...
Kai Mattern's user avatar
  • 4,508
1 vote

Canon EF 40mm f2.8 consistently sharp across the frame?

When measured with the lens focused on the center of the field pointed at a flat test chart parallel to the sensor and both lenses set at f/2.8: The EF 50mm f/1.8 STM is slightly sharper at the ...
Michael C's user avatar
  • 175k
1 vote

Which JPG has better quality? And which Exif Byte Order is better?

Using ImageMagick you can compare the image data (see ImageMagick Image Similarity Comparison). Using a command such as ...
StarGeek's user avatar
  • 3,813
1 vote

How do you identify file type/compression in a TIFF file?

As others have pointed out, compression per se does not mean a lossy photo. The TIFF format supports a variety of compression algorithms. Only one of them (JPEG) is lossy; the others like LZW, ZIP, ...
Binarus's user avatar
  • 111

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