Ключевые слова: adjust, aperture, background, black, camera, closeup, converter, diaphragm, digital, doubler, dslr, equipment, extender, field, fitting, focal, focus, glass, instrument, isolated, lens, look, macro, magnification, magnify, metallic, mount, object, objective, optic, optical, photo, photograph, photographic, picture, piece, pro, professional, quality, range, shutter, still, studio, technology, teleconverter, telephoto, tool, white, zoom,