● This is a Albenth new 0.5X Barlow (auxiliary objective) lens for stereo microscopes.

● It doubles the working distance and field of view of your microscope and cuts magnification power by half. 

● This lens comes with a 48mm mounting thread.

● Magnification: 0.5X
● Designed for: 0.7x-4.5x head
● Working distance: 165mm
● Material: Metal
● Lens material: Achromatic glass