59 votes

How were photographs printed in newspapers in 1929?

The first photographic images printed in newspapers were actually wood engravings meticulously hand-copied from a photograph printed in the normal way. By the 1890s, however, prints were made in ...
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  • 140k
33 votes
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Maximum useful resolution for scanning 35mm film

According to Ken Rockwell: Fuji Velvia 50 is rated to resolve 160 lines per millimeter. This is the finest level of detail it can resolve, at which point its MTF just about hits zero. Each line will ...
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  • 26.3k
26 votes

How do I prevent my photos being stolen by the print shop?

To absolutely prevent a print shop from stealing your photos, buy or rent a printer and print the photographs yourself. This will also require buying appropriate paper. And perhaps color calibration ...
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26 votes
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Why is CMYK more efficient/beneficial than RGB for performing printing operation on white paper?

Both photographic film and photographic digital imaging chips are sensitive to the three light primary colors. In other words, both record components of the image i.e. red, green and blue. ...
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  • 36.2k
25 votes

How do I prevent my photos being stolen by the print shop?

Use a reputable shop. A shop with a good reputation, that wishes to keep that reputation (and therefore its customers), will be motivated to behave honestly. If the trust is broken for some reason, ...
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20 votes

Why is CMYK more efficient/beneficial than RGB for performing printing operation on white paper?

Let me debunk one thing: "RGB and CMY are two different color models." They are not, they both form part of one RGB-CMY model. Or probably an RYGCBM model. Ok. That is not entirely true but ...
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  • 20.7k
16 votes

How can I print a 3840×2160 pixel image on 4″×6″?

Strange question... You don't want to crop, you don't want borders, you don't want to stretch the image...but you want to somehow put one rectangle into another rectangle of a different aspect ratio. ...
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15 votes
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How can I print a 3840×2160 pixel image on 4″×6″?

3840 x 2160 px means an aspect ratio of 16:9 - it is the reduced fraction of the pixel values: 3840:2160 -> (:20) -> 192:108 -> (:6) -> 32:18 -> (:2) -> 16:9 Since your images have ...
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  • 6,307
15 votes

How do I prevent my photos being stolen by the print shop?

First off, I suspect that you are being influenced by Dunning-Kruger fallacy to even think about such a scenario of your photos being stolen. I am sorry to crush your expectations, but let's get back ...
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  • 167
14 votes
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Where may I find this camera test image?

Interesting question. Please google "ISO test charts", or "test charts targets" To my knowledge that one is ISO-12233 "Digital Resolution Still Camera Test Chart". It is ...
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  • 20.7k
13 votes

How can I upscale a low-res image to make it appear higher-res?

I have found the free waifu2x very good for upsizing images. You can try an online demo. It uses "Deep Convolutional Neural Networks" to predict what the missing image data should be. It works better ...
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12 votes

How were photographs printed in newspapers in 1929?

I was apprenticed to a photoengraving company in 1946. We used the Colodion or Wet plate process to make halftone negatives and a glass cross line screen. Newspapers used a coarse screen with 55 to ...
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11 votes

How can one image be printed in multiple sizes without losing content?

It's not the size; it's the shape. Specifically, it's the aspect ratio. That's the relative "squareness" of a photo format. For various historical reasons, there are a lot of different ones, and, as ...
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  • 140k
11 votes

Why is CMYK more efficient/beneficial than RGB for performing printing operation on white paper?

There are two sort of separate issues here. One is RGB vs. CMY. The other is why you add the fourth color, instead of just using CMY (and sometimes, you use half a dozen colors or so, not just four). ...
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  • 18.7k
10 votes
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How should I specify minimum quality requirements for images submitted to my image archive?

Image resolution/pixel dimensions are the attributes you should probably be looking for. To find out what numbers you should specify in your requirements, you'll need to decide on the maximum size ...
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8 votes
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How can an amateur print high gamut images?

First, one need not spend $10,000 on a printer to get a wide gamut. To be specific, to PRINT wide gamut, you don't need to spend a lot of money. There is often an implicit association between managing ...
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  • 69.1k
8 votes

Photogravure: What is it?

I find that the Wikipedia article on Photogravure gives a good detailed overview of the subject. An easier to follow and shorter version can be found in this description of the process. Here's the ...
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8 votes
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A print shop gives me instructions to convert to sRGB instead an ICC profile, is no soft proofing necessary?

TLDR: Choose a print shop that provides ICC profiles. Soft proofing is an important step for optimal results. If a shop doesn't share its profiles there are two reasons that come to my mind: lack ...
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  • 1,256
8 votes

How can I get my JPEG images to look the same in print as they are on screen?

When I got the print back it was so dark as to be unsellable. Rather disappointed I contacted the printers and they said I should have used an ND filter. An ND (neutral density) filter would have ...
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  • 31.2k
8 votes

Is it not ideal to save image as PNG for printing?

Yes, PNG is theoretically better than JPEG in preserving the ultimate image quality, but in practice this is the kind of exactness we don't really see, especially in print, where the physical ...
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  • 4,845
8 votes

Where may I find this camera test image?

See here. Of course it has to be printed correctly to be of any value.
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  • 16.3k
7 votes
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Why is my printer unable to print on glossy paper?

This turns out to have a simple, non-technical, amusing answer: I was loading the paper upside down. The glossy side should be face down, but I'd loaded it face up. Once I fixed that, it started ...
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7 votes

Is 4288 X 2848 pixels an unfriendly ratio for quality printing and framing or am I missing something?

The idea that you will get better prints at exactly 300dpi — where one dot is also one pixel — is a misconception. There may have been a limited time and certain circumstances where it was true, but ...
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  • 140k
7 votes
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How unusual would contact-printing be for a portrait studio's commercial output?

It wasn't at all unusual for small, local portrait studios to print using the direct contact method during the time in which Disfarmer worked from about 1915 until his death in 1959. Most small ...
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  • 168k
7 votes

2018 - Economical, quality home photo printer recommendations

Since they don't print very frequently, they often have the ink-drying-up problem that leads to clogs/poor print quality, which means more maintenance routines that use up even more ink and cost them ...
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  • 140k
7 votes
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How big can you print a canon 5d iii Image?

The Canon EOS 5D Mark III has a resolution of 5760 x 3840 pixels, or 22.1 MP. It has a 3:2 (1.5:1) aspect ratio. A2 sized paper is 16.5 x 23.4 inches (420 x 594 mm). It has a 1.414:1 aspect ratio. ...
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  • 168k
7 votes

What steps should I be taking specifically for print when shooting?

I am basing my answer on this I envision as a book in the end. So my first recommendation is beyond the technical elements you are asking for. 1. Frame a bit wider than the frame you like. A printed ...
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  • 20.7k
7 votes

How do I prevent my photos being stolen by the print shop?

Even a small photo lab processes thousands of photos from different people daily. Aside from a quick quality check, they don't even look at a majority of the photos. All sorts of photos pass by them, ...
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  • 26.3k
6 votes

How should I specify minimum quality requirements for images submitted to my image archive?

Imposing a minimum DPI value is meaningless as images do not have any intrinsic physical dimension. A better approach is to work out the maximum size you want to guarantee to be able to print, work ...
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  • 117k
6 votes

What process can I use to print my picture so edges are embossed and can be felt?

As I work regularly with CNC machines (these are milling machines that can be controlled by a computer), I want to show you two methods that are being used to engrave images in a pixelated style which ...
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