aperture; background; cell; control; digital; display; dome; electrical; electronics; equipment; expertise; exposure; flash; flash-meter; industry; instrument; iso; isolated; light; lightmeter; measure; measurement; measuring; meter; modern; object; photo: Bilder zum Thema aperture; background; cell; control; digital; display; dome; electrical; electronics; equipment; expertise; exposure; flash; flash-meter; industry; instrument; iso; isolated; light; lightmeter; measure; measurement; measuring; meter; modern; object; photo bei ClipDealer