Photography Fundamentals


What are XMP Files?

You often see XMP files next to photo image files. Here’s an explanation of what they are and why they’re there.

What are AVIF Images?

AVIF is a new image format that has ambitions to take over the web. Here’s an explanation of what it is and how to work with AVIF image files.

WebP Image File Format Header

What Are WebP Images?

Here’s a straightforward explanation of what WebP image files are, when to use them, and how to convert them.

Image File Formats Header

Which Image File Formats Are Best for What?

There’s a bunch of different image formats available, some old as well as many new ones. But it’s not always clear which is the best to use. Here’s a quick guide on which image files formats are best, when.

How to Convert JPG to WebP with XnConvert

If you’re looking to manually create WebP versions from JPGs (or any other image file formats, for that matter), XnConvert is free, multiplatform, and is especially good at handling large batches of images.

Nikon D7500 Sample Image

Best Photography Lighting & Flash Online Courses

Whether you’re just starting to explore the world of off-camera lighting or are an experienced strobe user looking to try some new techniques, here are some of the best places to find online photography lighting courses.

Online Photography Courses

Best Online Photography Classes & Courses

Whether you’re looking to brush up, dive deeper, or learn a new photographic skill, here’s a roundup of some of the best online classes and courses for photographers.

How to Change Aperture on a Nikon D3500

There are a few different ways to change aperture on the Nikon D3500. Which method you use depends on the lens and shooting mode you’re using. Here’s a guide.

Nikon D3400 Aperture

How to Change Aperture on a Nikon D3400

The method for changing the aperture, or size of the opening to let the light in, varies according to the lens you’re using. Here’s how to do it with the lenses most commonly used on the Nikon D3400.

Light Flare in the Back of the Camera

Keeping the Wrong Kind of Light Out of the Camera

We expect light to come in the front of the camera. Shooting with the lens cap on doesn’t tend to work so well. But we don’t always expect it to come in the back. Here’s a real-world example of light leak through the viewfinder.

Timelapse Calculator for iPhone

Timelapse Calculator for iPhone is a simple yet effective app for calculating shoot durations, frame rates, and clip lengths for creating time-lapse video.

What is a Prime Lens?

You might have heard recommendations that if you want the fastest and sharpest lenses you should use prime lenses. So what is a prime lens?