This item includes 4 lens plates - 1.5X lens with focal length of 50cm, 2.0X lens with focal length of 25cm, 3.5X lens for very close work at 12.5cm distance and the most popular 2.5X lens (equivalent to DA-5) for working at about 20cm distance.

The Magnifier comes fitted with the 3.5X lens - just snap in any of the other 3 lens' if you require a shorter focal length.