AmScope SM15 1.5X Barlow Lens for SM and/or SW Stereo Microscopes (48mm)

1.5X Barlow (auxiliary objective) lens for SM and/or SW series stereo microscopes, extending magnification power of the microscopes by 1.5 times. Mounting size: 1-7/8" (48mm) in diameter. 1.5X Barlow (auxiliary objective) lens for SM and/or SW series stereo microscopes, extending magnification power of the microscopes by 1.5 times. Mounting size: 1-7/8" (48mm) in diameter. Its retail value is $180.