Red dot to red dot, SLR lens bayonet instant change lens, greatly improve the efficiency of layout
Just like changing the lens of a SLR camera, you only need to aim at the red mark and rotate clockwise to the card position, you can replace different beam angle lenses, and you can also stack filters, honeycombs, octagonal light shields and other light control and anti-glare tools.
Red-dot to-red-dot SLR lens bayonet type Instant mirror change greatly improves exhibition layout efficiency