From the course: Underwater Photography: Macro
Join today to access over 22,600 courses taught by industry experts or purchase this course individually.
Aperture and overall exposure - Photoshop Tutorial
From the course: Underwater Photography: Macro
Aperture and overall exposure
- [Deke] In this exposure movie, we'll discuss the role of aperture as well as its effect on the overall exposure. So, the thing to bear in mind here is that aperture is the main method for the light getting to the image sensor and as a result it's going to control the contribution of both ambient and artificial light. So that is to say sunlight along with your strobes. And so as a result, it's going to effect the luminance histogram as well as all three of the red, green, and blue histograms. But before we can see how that works, we need to take a look at the two methods for adjusting strobe power because strobe power and aperture have traditionally gone hand in hand. - [Hergen] The first of the two methods of strobe power control we're going to talk about is manual strobe control. So, here we've got an example of a strobe and you can see there's a control dial on the right and it's labeled as both TTL EV Control and Manual. The way that this works is the top half is dedicated to…
Download courses and learn on the go
Watch courses on your mobile device without an internet connection. Download courses using your iOS or Android LinkedIn Learning app.