This set includes five shims (0.3mm - 0.7mm) that can be stacked to get the perfect back focus adjustment with your 3rd party lens mount adapter or lens mount on Ember (or Wave) cameras.

This plug-in red laser projector is a red laser pointer with a detachable head allowing you to point a star pattern or detach for a straight beam. Turn the filter head and you'll get morphing patterns as you turn it. You can plug it into any USB port found in a house, automobile, computer, etc.

- Has a removable tip for straight beam - Laser Colour: Red - Laser Wavelength: 650nm - Output Power: 5mW - Beam Diameter: Straight / Star - Voltage: 5V - Power: USB