a compound lens system that forms an image free from chromatic aberration

producing images that are sharp and finely detailed

producing images that are sharp and finely detailed

producing images that are sharp and finely detailed

producing images that are sharp and finely detailed

producing images that are sharp and finely detailed

producing images that are sharp and finely detailed

producing images that are sharp and finely detailed

producing images that are sharp and finely detailed

producing images that are sharp and finely detailed