This elegant magnifier lamp has a 3 diopter precision lens with a diameter of 12.7 cm, equally to 1.75x. The lamp can easily be clamped to a table or desk and be moved over the top. The lighting is perfectly balanced and has a colour temperature of 6400 degrees Kelvin. This means that the light is a normal white light that looks like normal day light. This magnifier lamp is supplied with a T5 22 W round fluorescent lamp and a 45" extension arm.