3.Doubling Total Magnification power of your Microscope and reduce the length
4.Objective Magnification Power by 0.7 - 4.5X
Description
Package incluede:1 x 0.5X Barlow Lens(Increase working distance)1 x 2.0X Barlow Lens(Reduced working distance)1 x 0.3X Barlow Lens(Increase working distance)