3D spectacles; Acid hydrometers; Bags adapted for laptops; Bags for cameras and photographic equipment; Batteries, electric; Battery chargers; Camera handles; Camera tripods; Cameras; Circular slide rules; Flashlights for use in photography; Measuring rulers; Protecting masks; Salinometers; Stands for photographic apparatus; Sunglasses; Surveying compass needles; Surveying machines and instruments