The presentations by Sean Bagshaw are available for viewing on Vimeo:

Adventures in Light: https://vimeo.com/480050193

Introduction to Luminosity Masking, part 1: https://vimeo.com/480064689

Introduction to Luminosity masking, part 2: https://vimeo.com/480097230

Click the Title Page to open the presentation

All recorded show entries are available for viewing on Vimeo:

Round and Round We Go: https://vimeo.com/453771269/7ea83c1222

Sandstone Anatomy: https://vimeo.com/453772497/e4f13433fd

Glacier National Park: https://vimeo.com/453746875/928cc824d3

This Little Pond in My Hometown: https://vimeo.com/453761121/0e8fbf817e