educational

A Technical Look at Creating a Photo Restoration and Colorization AI – Photography Article

In this article, I’m going to tell a story of how we’ve created AI-based restoration project for old military photos. Editor’s note: This article is highly technical and will not be easy reading for most. What is “photo restoration”? It consists of three steps: 1. We find all the image defects: fractures, scuffs, holes; 2. We inpaint the discovered defects, based on the pixel values around them; 3. We colorize the image. Further, I’ll describe every step of photo restoration…

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What Does an Unprocessed RAW File Look Like? – Photography Article

What does it mean to look at a “straight from camera” RAW photo file? How do RAW processors like Lightroom change the files after they’re loaded, and are RAW files actually images? Those are some questions we’ll be exploring in this article. There is a tool called dcraw which reads various RAW file types and extracts pixel data from them — it’s actually the original code at the very bottom of a lot of open source and even commercial RAW…

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How to Photograph Wild Amphibians and Reptiles Safely and Ethically – Photography Article

It frustrates me to see so many fake wildlife photographs of amphibians and reptiles on social media. That’s because those staged photos of captive animals in unnatural positions and situations go viral on a regular basis, and this “success” can inspire other people to follow them in their footsteps. The process of staging the amphibians and reptiles often involves animal cruelty. I have dedicated many social media posts to this subject, but after all the negativity, I wanted to turn…

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Sony Debuts World’s Fastest USB Hub with Card Reader and HDMI Support – Photography Article

Earlier today, Sony revealed what they’re calling the world’s fastest smart multifunction USB hub: a smart USB-C hub designed for “enhanced workflow efficiency for photographers, videographers and creators.” The USB 3.1 Gen 2 hub, model number MRW-S3 if you’re curious, claims to beat out every other option out there in terms of speed, while packing in just about every port you’ll ever need. That includes a UHS-II SD/microSD card reader, USB Type-C and USB Type-A ports, an HDMI port, and…

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Does Sensor Size Affect Depth of Field: The Definitive Answer – Photography Article

[youtube https://www.youtube.com/watch?v=4A4DVUF9HFg] In this video, I’m going to put to rest this question once and for all: does sensor size affect depth of field? I’ll be physically taking pictures with a full-frame camera and a Micro 4/3 camera, and showing you the visual difference in a range of aperture settings. There are lots of theories and opinions on this but here is the definitive answer. See for yourself and let us know what you think. Is there a difference in…

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A Closer Look at the Iconic Cyclist Photo by Henri Cartier-Bresson – Photography Article

[youtube https://www.youtube.com/watch?v=3-IUycgDEN8] What’s up photography fans? It’s Martin from All About Street Photography, and today I want to talk about Henri Cartier-Bresson’s iconic photo of a cyclist, titled Hyères, France. I am going to take a closer look at the composition as well as at the story behind the photograph. If you are not familiar with Henri Cartier-Bresson, make sure to check out this video I made about his life and photography: [youtube https://www.youtube.com/watch?v=wrFvnouy2B0] What we are looking at is…

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Thieves May Be Selling Your Photos on Shutterstock – Photography Article

While looking at my own images on Shutterstock, I noticed the Shutterstock algorithm was suggesting my photos as “similar” images. I thought it was a bug on the Shutterstock website until I noticed that others had downloaded my photos from other sites then uploaded them to Shutterstock. Shutterstock’s similar photos algorithm then noticed this and suggested the stolen photos along with my photos. After a little research, I found that this has been happening for at least 8 years and…

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Sony FE 135mm f/1.8 GM ‘Built Like a Tank’, Teardown Confirms – Photography Article

After crowning the Sony FE 135mm f/1.8 G Master lens “…the sharpest lens we’ve ever tested. Period.” LensRentals’ Roger Cicala got the chance to disassemble a copy of the new lens and see if the build quality matched the optical quality. Spoiler alert: it does. The opportunity to tear apart a brand new G Master lens came, troublingly enough, after the lens broke down on rental. Apparently, the lens had “performed flawlessly” before suddenly going “horribly soft” right in the…

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These Photos Ended Child Labor in the US – Photography Article

[youtube https://www.youtube.com/watch?v=ddiOJLuu2mo] Photographs have the power to bring issues to the forefront of public consciousness and spark change in society. Here’s a 6.5-minute video by Vox that tells the story of how photographer Lewis Wickes Hine helped end child labor in the United States. In the year 1900, the US Federal Census revealed that there were 1.75 million children younger than 16 that were employed and working jobs across the country in places such as farms, mills, factories, and mines.…

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Does Sony’s Crop Mode Mean I Need Fewer Lenses? – Photography Article

A major change — and learning curve — for me this year has been my switch from Nikon to Sony. I’ve already documented the story of my switch to Sony, but what I have since discovered is the huge possibilities — or as some of us might call it the “confusion of options” — that comes with owning a Sony Alpha camera. Upon holding your Sony camera in your hands for the first time, the first settings you will be…

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24mm vs 35mm vs 50mm vs 85mm vs 135mm – Photography Article

[youtube https://www.youtube.com/watch?v=lV8voRxem10] Photographer Julia Trotti made this 7-minute video that shows how your choice of focal length affects your results in portrait photography. Trotti photographed the same model using her Canon 5D Mark III and every prime lens she owns: a Sigma 24mm f/1.4, Canon 35mm f/1.4, Canon 50mm f/1.2, Canon 85mm f/1.2, and Canon 135mm f/2. The photos were the enhanced with her $25 Aspen Lightroom Preset. For her first test, Trotti used each lens while she and her…

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NASA’s Starshade is a Flag for Blocking Starlight in Space Photo Shoots – Photography Article

Photographers use tools called flags to block and control light. NASA has detailed a new technology called a starshade that’s essentially a gigantic flag in space for doing photo shoots with space telescopes. “Although starshades have never flown in space, they hold the potential to enable groundbreaking observations of planets beyond our solar system, including pictures of planets as small as Earth,” NASA writes. A starshade mission would involve two spacecraft working together with extreme precision. One would be a…

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This is Why RF Lenses Are ‘Outstanding’ – Photography Article

[youtube https://www.youtube.com/watch?v=3-swouJ4qS4] Canon made this 4.5-minute video explaining the technology of its new RF lens mount for full-frame mirrorless cameras. “[W]hat makes these lenses so outstanding?” Canon writes. “This video introduces the innovative features of RF lenses that open up new possibilities in photographic expression.” Canon says that RF lenses are superior to conventional lenses when it comes to minimizing aberrations caused by refraction, especially at the outer edges of photos. If the “back focus” distance between a lens’ rear…

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This is Why Macs Are Slower Than PCs – Photography Article

[youtube https://www.youtube.com/watch?v=947op8yKJRY] If you’re in the market for a desktop computer or laptop to do some serious photography work on, you might want to watch this 10-minute video first. Tech presenter Linus Sebastian of Linus Tech Tips explains why the thermals of Apple’s Mac products generally make them perform slower than rival PC equivalents on the market. In 2018, Apple’s new top-of-the-line MacBook Pro caused a stir when reviewers found that heat issues caused major slowdowns that brought performance down…

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Photographers Get Lowballed Because They Love Their Jobs: Study – Photography Article

Photographers have been speaking out in recent years about getting asked to do work for little or no money. A new research study is now suggesting that one of the reasons photographers get lowballed is because they love their jobs. Professor Aaron Kay and Ph.D student Jay Kim at Duke University’s Fuqua School of Business recently published a paper titled, “Understanding Contemporary Forms of Exploitation: Attributions of Passion Serve to Legitimize the Poor Treatment of Workers,” in the Journal of…

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Less Than 1% of People Can Ace This Color Test – Photography Article

How do you think your perception of color stacks up against the general public? If you’re a photographer, have your eyes been trained to perceive color better than the average person? Here’s a short and sweet test that can help you find out. The UK-based vision care company Lenstore has created an online test of 10 questions that challenges your ability to differentiate between shades of color. It’s a challenging test: of the thousands of people tested early on, less…

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500px Blog » » The Difference Between The Top Landscape Photographers and Everyone Else – Photography Article

Originally published: June 15, 2015; updated / re-published June 5, 2019 Hey, I am Manuel Becker and I am the founder of Locationscout, a platform for discovering & sharing amazing places for photographers. I am living in Germany near Cologne in the beautiful Rhineland. I love traveling and discovering all these beautiful places around the world. You can also find me on Facebook, Google Plus, Instagram, and, of course, here on 500px. A question that I often thought about when…

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