But what happens when you’ve opened your aperture as wide as it goes and your shutter is as slow as you can hold it, and the photo is still too dark? Enter ISO. Whether you’re shooting a digital mirrorless or a roll of 35mm film, ISO determines how "loud" your camera hears the light. Here is the no-gatekeeping guide to mastering sensitivity.

If Aperture is the pupil of your eye, Shutter Speed is the eyelid. It’s the duration of time the camera’s sensor (or film) is "looking" at the world. In the digital world, we often use it to keep things sharp, but in the creative world – especially here at KatieKPrintStudio – we use it to play with reality. Whether you’re shooting a fast-moving street scene or a still life in the studio, here is the no-gatekeeping breakdown of how to master time.

If you’ve ever looked at a photo and wondered why the background looks like a creamy, out-of-focus dream – or why a landscape looks so sharp you can see every individual leaf – you’re looking at Aperture. Most people call it "the blur button," but it’s actually the most important decision you make before you hit the shutter. Whether you’re shooting on a brand-new mirrorless or a 40-year-old Nikon film SLR, the rules are exactly the same. Let’s get into it.