This versatile Honeywell Pentax Auto Bellows with Slide copier is perfect for photography enthusiasts looking to expand their lens options. Designed to fit M42/Universal lens fittings and with a screw-in fastening, it is compatible with a wide range of cameras and lenses. Ideal for macro photography, the bellows allow for fine adjustments to the distance between the lens and subject, resulting in sharp and detailed images. Its slide copier feature also allows for easy duplication of slides, making it a great addition to any photographer's kit.