3

• Lens - design to collect or to focus that reflective light from an object to form an image on the film
• Concurrent light - a light that is scattered
• Coherent light - a light that is aligned as laser light
• Hologram - the formation of image through the use of laser light
• Dennis Gabor - who invented the hologram
• Fluorescent lamp - this is commonly used by everybody more than it is used in photographing
• Incandescent bulb - a bulb with a wire filament connecting two wire switch sustain the electrical charge that produces the light
• Contrast filter - this filters adjust the tonal difference of an image
• Extension tube - a tube inserted between the lens and the camera body to provide increase magnification for use in photography minute object