0.5X Barlow lens doubles working distance and field view of VS-1F/VS-2F/VS-3F/VS-5F/VS-7F/VS-8F/VS-9F series stereo/industrial microscopes | Cutting magnification power by half and doubling working distance and field view of the microscopes | Mounting size: 1-7/8" (48mm) in diameter
144 LED bright focused and shadow-free illuminator | 2.5" (62.5mm) inside and 3.64" (92.5mm) overall outside diameters | Power input: 110-240V, 50-60HZ, auto switching | Variable intensity control, the brightness is adjustable from 0-100% | 1-7/8" (48 mm in diameter) ring adapter included