Educational

PetaPixel's editorials are in-depth stories, thought-pieces, and opinions on the photography industry led by the minds of our editorial team.

A Beginner’s Guide to Canon and Nikon Lens Abbreviations

Welcome to the world of photography, where geeky scientists make great lenses... and use all their secret codes to confuse consumers. Fret not, this guide will explain those EF-S, STM stuff to you, and a small history lesson to help you better understand.

Photograph Earth’s Shadow in the Sky at Sunrise and Sunset

I never get tired of seeing our closest star set below the horizon, and seeing how the landscape changes as the warm light gets fainter by the minute. Every sunset has its personality depending each location, weather and season. One beautiful thing about a sunset is what happens right after the Sun has set. If turn around, you can slowly see the Earth shadow rising from the horizon.

The Exposure Triangle Sucks, Here’s Why

"The Exposure Triangle" is a catchy phrase meant to encompass the three factors which affect the exposure of a photograph of a scene with a given amount of light. It's often given to new photographers as a learning aid.

Is a Full Frame Camera Really Worth It? D610 vs D7100 Real World Test

Since I got my Nikon D7000 camera 6 years ago I’ve used it almost everyday. That is a lot of shutter clicks, 148,558 to be exact. It looks like I will be in the market for a new camera soon as the D7000 is only factory tested to 150,000 clicks. My dilemma is should I go full frame, or stick with my cropped frame?

Comparing the Sensor Noise of Top Cameras

Cameras are often pitted each other in the area of image quality, but long exposure sensor noise generally isn't something that you can easily compare online. So photographer Brendan Davey took it upon himself to create such a resource, and the Sensor Noise DB is what resulted.

DSLR or Mirrorless: Which One is Right For Your Needs?

Here's a simple 8-minute video by photography instructor Phil Steele about how DSLRs and mirrorless cameras stack up against each other. He briefly describes the main advantages and disadvantages to each type of camera to help you figure out which one is best for your needs if you're trying to decide between them.

Using Vintage Nikon Super-Telephoto Lenses on a Sony NEX-5

A rare Nikon 1200mm f/11 lens recently appeared on eBay. The earliest Nikon non-refractive long lenses were the Nikkor-Q 400mm f/4.5, Nikkor-P 600mm f/5.6, Nikkor-P 800mm f/8, and Nikkor-P 1200mm f/11. All of them were on the market around 1964 and withdrawn in the mid-1970. These lenses are actually lens heads and require a focus unit to be functional.

A Beginner’s Guide to Aperture, Shutter Speed, and ISO in Photography

This guide to photographic exposure aims to help you take full control of your camera. I often tell my students that I want them to move away from the idea “taking a photograph” and towards the idea of "making a photograph." I teach them how to take the camera off auto mode and take full control of the settings themselves in order to create the photograph they want.

Exploring the Work of Irving Penn with a Museum Curator

The Dallas Museum of Art is currently running an exhibition titled "Irving Penn: Beyond Beauty," the first retrospective of Penn's work in nearly two decades. If you're unable to see the show, which contains over 140 of the late photographer's photos, check out the fantastic 13-minute video above by The Art of Photography.

The Difference Between RGB and CMYK

If you've seen the RGB and CMYK color models referenced all over the place but aren't exactly sure how they work or what the difference is between them, check out this short 2-minute video. Express Cards explains why the RGB additive color model is used in digital displays, while the CMYK subtractive model is used for color printing.

Composition Tips from a Man Who Studied with Ansel Adams

There are only a few people alive as qualified to give photography and composition advice as Huntington Witherill. A former "artist of the year," he studied under the great Ansel Adams and in this video he describes his approach to composing eye-catching images.

Depth of Field Explained

When you focus your camera, the area around the focal distance will also be in focus. But this can fall off to blur quickly or slowly. The acceptable amount of in-focus area around what's you are focusing on is called depth of field.

Infographic: The Difference Between CMOS and CCD Sensors

Over the past couple of decades, CMOS sensors have come to dominate the digital photography landscape thanks to their increasing quality and falling costs. If you're unfamiliar with the differences between CMOS and CCD sensors, CEI-Europe has created a helpful infographic that compares the two technologies.

6 Reasons You Should Get a Photo Mentor, and 5 Ways to Get One

In a world filled with tutorials and workshops and webinars and so much free educational content it could make your head spin, the mentor-mentee relationship is too-often relegated to the "unnecessary" bin. But getting a photography mentor can be one of the most important steps you ever take in your career.

Useful Tips for Combining Flash and Ambient Light

You may swear by natural light, but sometimes available light just doesn't cooperate. So for those times when you're faced with an overcast sky but need a sunset, or the ambient light is harsh and direct, these tips from photographer Adam Angelides will help you capture natural looking images by combining ambient light with flash.

The Anatomy of a Newspaper Feature Portrait Shoot

I had a great opportunity to do a “behind the scenes” of a recent portrait feature shoot which my very good friend Daniel Hambury was doing for the London Evening Standard. In fact I was mainly assisting, but couldn’t pass up the opportunity to document what happens as it’s something I’ve always been intensely interested in.