Channels demystified

1. Channels Explained Please download full version to activate animations

2. Channels Explained

10. For Instance 100% Red 0% Red

12. All Three Together Red Green Blue So Photoshop looks at these three Channels...

13. All Three Together ...and sees them as...

14. All Three Together ...and then simply mixes them together...

15. The Mysterious Alpha Channel

23. Alpha Channels in Photoshop In Photoshop we can easily add an Alpha Channel to an image...

24. Alpha Channels in Photoshop ...this creates a transparent mask over the image... ...basically ‘knocking a hole’ through the image... All we need to do now is save the image in a file format that supports Alpha Channels (such as TIFF)...

25. Alpha Channels in Photoshop JPEG Without Alpha Channel TIFF With Alpha Channel vs

27. Channels Explained --End---