Ключевые слова: abstract, aperture, background, black, blade, camera, center, circle, close, closeup, dark, depth, device, diaphragm, digital, dslr, equipment, exposure, focal, focus, fstop, glass, hole, iris, lens, light, macro, media, metal, optical, photo, photograph, photographic, point, professional, quality, reflection, round, science, shutter, technology, up, zoom,