Linked Questions

31
votes
10answers
6k views

How do I make my photos sharp enough for print or selling online?

I am a starting photographer and I always have an issue with sharp images. I submited my photos to shutterstock just to see if it sells but they keep on telling me about too much noise or grain or ...
20
votes
13answers
25k views

How do I rotate a lot of digital photos by 180 degrees in one operation?

I have several thousand images taken with a GoPro that are upside-down. I'm looking for a way, an app really, that can flip them all, 180 degrees, in one operation. I have looked at every option in ...
9
votes
4answers
16k views

What does IQ mean?

I see a lot of questions which mention IQ. The only meaning I know outside photography is "intelligence quotient" but obviously IQ has some other meaning here. IQ is used for example in "Lens with ...
6
votes
3answers
5k views

JPG and file sizes - BASIC facts for dummy

Am I losing quality of the pictures when the size of the file drops? My daughter is sending me some JPG pics to edit for her. The file sizes start around 11MB & 3264x4928. After I do some mild ...
13
votes
4answers
17k views

How to avoid jpeg compression artefacts when saving photos in web resolution?

When I save a web-resolution image (for example, 1920×1024px), flat areas tints often have damaged shades of color. I'm saving in Photoshop CS4 with quality 2 in standard mode, because I need the ...
0
votes
4answers
51k views

How to reduce size of a jpeg image in Photoshop?

I'm trying to reduce the size of my photo. I have tried all solutions given on this website. My current image size is 159 KB and I have to reduce to 10 KB with 5L x 3.6w.
3
votes
3answers
738 views

Why is there too much noise in a fog photograph?

I have been told that this photo has terrible noise. I wasn't aware of this fact! :redface: Morning scene, F4.8, Shutter: 1/50, ISO 100, Focal 14.4mm. The fog was dense of course, but still it wasn'...
4
votes
3answers
1k views

Quality of JPEG directly from RAW+JPEG versus JPEG embedded in RAW of RAW+JPEG?

When I use ImageMagick's identify command to look at the quality of the JPEG from my camera's RAW+JPEG mode, I see 95. When I use the same to look at the JPEG preview that has been directly extracted ...
1
vote
2answers
589 views

Why doesn't PNG show more detail than JPEG in a converted NASA image?

I have a really limited knowledge of photography, so, bearing that in mind, here is my problem. I downloaded an IMG file with a separate label file from NASA PDS because I wanted to visualise the ...
0
votes
3answers
874 views

Highest quality vs smallest file size for email

I'm intending to create some photographic images for printing. They'll be used to hang on a wall but will be quite large (80 - 100cm square). Obviously I want the quality to be as high as possible, so ...
1
vote
1answer
811 views

Photoshop - JPEG Image Option - Difference in Quality [duplicate]

In Photoshop, while saving an image as JPEG, there is an Image Option called Quality. Increasing or decreasing the value, only increases or reduces the size of the JPEG file. If we try to zoom in ...
0
votes
1answer
585 views

What is the relation between image file size and image quality? [duplicate]

Is small image file size means low image quality?what is JPEG image file size of 5d mark iv .Can we achive better image in small image file size?
2
votes
2answers
207 views

What is the name of the problem where lines appear in a photo where there should just be a smooth gradient?

I don't remember the name of this problem and it drives me crazy. I googled everything similar to "lines in photo" but I didn't find the solution. The problem is that on my PC monitor I don't see ...
1
vote
1answer
262 views

Remove “random” noise [closed]

I have a picture which was taken from a book and it's full of noise: I tried to remove the noise manually but it is too difficult and takes a lot of time. I noticed some webpages who attempt to treat ...
-1
votes
1answer
412 views

What is this low-quality, fuzzy filter called? And does anyone know how to apply it to your own photos?

Can anyone tell me what this filter is? I am talking about the low-quality, fuzzy look of the example pictures. I have been looking everywhere for it, but I do not know the name of it! Also, does ...

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