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Photography

Questions tagged [ppi]

Pixels per inch — the number of basic colored elements in an image per inch.

18 questions
info Newest Frequent Votes Active Unanswered
3
votes
2answers
101 views

How large can I print an old illustration?

quick question. I've got a bunch of illustrations from the 1400's-1500's, and I would like to know how to figure out how large I can print this on art paper. The purpose is for art prints, they're ...
-2
votes
1answer
158 views

Pixels per inch relation

I have a Nikon DSLR D5500 and a 18-55mm lens and a 50 mm lens. I was calibrating the camera to get the pixels per inch using each of the lenses and all other factors like the distance from the object ...
1
vote
1answer
99 views

Should I preemptively downsize photo resolution for smaller prints?

I was thinking about how many websites (eg. Facebook) have a bad reputation for lossy downsizing of images, and began to wonder if this goes for printing as well. Would it be better to send in a ...
0
votes
3answers
155 views

What PPI do I set for best quality print?

My question is simple. I am processing medium format 80 mp photos with photoshop and lightroom and when I go to get them printed at Walmart on their EPSON 7880 printer at 24 x36 inches, I do not care ...
2
votes
2answers
1k views

How many printed dots are needed to represent a pixel with an inkjet printer?

Context I have a digital picture with a size of x*y pixels. I'm trying to figure the maximum print size I could produce and still have an image which "look good" (relatively to human perception at a ...
0
votes
1answer
2k views

How do I calculate the actual size of an image from pixels and PPI? [duplicate]

If I have drawn a line-art diagram that is 250px x 350px on a screen with 92.56 PPI (Dell U2414H - 1920 x 1080, 23.8 inch diagonal) - I'm confused as to why, when this image is transferred into ...
30
votes
5answers
14k views

Is there any practical difference between saving at 300ppi or 72ppi?

I often see statements in discussions about web displayed image quality that go something like this: "I only upload pictures at 72 dpi and 1200 pixels on the long edge, so if someone copies and prints ...
4
votes
1answer
132 views

Is it important to use a round number for ppi when printing?

A Collage I am working on will be 48" X 72". I was planning to make 24 X 24 collages and stitch them together. Based on software limitations, my maximum size is 5120 X 5120 Pixels. That would give ...
2
votes
4answers
10k views

What does pixels per inch mean, exactly?

I have not found anything using Google that actually contains a definition of this term. Most of the sites tell me that it affects the image quality, or something similar, and that more is better. So ...
4
votes
2answers
2k views

Is it possible to print a good quality 72X72" photo from a Nikon D700?

A printing job requires a 72x72" image. I shoot with a D700. Is there any way to get a quality print at that size from a D700?
-1
votes
2answers
1k views

How to reduce the image resolution to increase ppi?

Having an photo of 4000x3000 resolution with 240ppi. Is it possible get a resolution of 400x300 resolution but with higher ppi?If possible how to do that?
3
votes
1answer
1k views

Lightroom Exporting for web optimum settings

When exporting a batch of photos in LR you get a variety of options. For photos that are going to be eventually printed I would think that the highest resolution and 300ppi would be a good starting ...
3
votes
3answers
271 views

In what way will affordable high density displays affect photography?

The last 6 months have been quite revolutionary for the display technology with the new iPad & Retina Macbook Pro and their 200+ ppi displays that double the typical pixel densities. I have seen ...
5
votes
3answers
3k views

Is 2 megapixels enough for 4x6 prints?

My compact camera has a burst mode, which shoots 10 fps at 2 megapixels. I plan to use it at an upcoming company sporting event (basketball and tennis, outdoors) and plan to post memorable moments at ...
8
votes
2answers
8k views

What DPI should I resize my image to for best printing quality?

And my apologies if this sounds a bit too basic but I can't get my head around this. I have a digital image I took with my camera. 4000x3000 pixels, and GIMP claims that its resolution is 72x72 DPI. ...
76
votes
5answers
56k views

How do I generate high quality prints with an ink jet printer?

Creating high-quality photo prints using an ink jet printer is no trivial matter. Depending on the tonal range and color depth desired and the expected viewing platform, how you approach printing may ...
14
votes
3answers
7k views

How do you optimally resize and sharpen images for printing?

What is the best way to get the clearest, sharpest print without pixelation or blurring? I have tried some sharpening techniques in Photoshop, however they are geared towards sharpening for viewing on ...
49
votes
7answers
184k views

Is there a general formula for image size vs. print size?

What size images do I need for common print sizes, such as wallet size, 8x10, and 16x20? Is there a general formula? How could that size change if, for example, a 16x20 was printed on canvas rather ...