Ключевые слова: aperture, background, black, blue, blurred, bright, camera, checking, close, closeup, concept, density, device, digital, electronic, equipment, filter, forehead, gear, glasses, hobby, hood, isolated, lens, light, macro, memory, movie, neutral, optic, optical, parts, photo, photograph, photographer, photographic, picture, polarizing, prepaid, professional, sharpened, shutter, slr, space, technology, telephoto, uv, zoom,