Kenko DG Extension Tube Set for Canon EF/EF-S lens mount_Sony E The Gossen Lunasix 3 is

The Gossen Lunasix 3 is a good quality meter with excellent low light sensitivity and an easy to read dial

Manfrotto 272 telescoping crossbar

with an easy to use aperture ring with click stops

5 inches is for use with black and white enlargers

Breakthough Photography calls this an "X2" filter

Kenko DG Extension Tube Set for Canon EF/EF-S lens mount_Sony E The Gossen Lunasix 3 isA set of three extension tubes for Canon EF EF S mount: 12mm, 20mm, and 36mm. These tubes have the electronic contacts necessary to maintain autofocus and autoexposure capabilities. If you're curious about dabbling in macro work, this is an inexpensive way to get started.