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microscope lens Barlow Lens reduce increase working distance

0.3x 0.5x 0.7x 0.75x 1.5x 2.0x

Category: Accessories


Auxiliary Barlow Lens for stereo microscope
0.5x 0.75x Auxiliary objective lens for stereomicroscope
barlow objective lens, reduce magnification, increase working distance
Mounting size: 1-7/8″ (48mm) in diameter

mag WD Magnification and work distance
0.5X 165MM Reduce magnification,increase Work distance
0.7X 120MM Reduce magnification,increase Work distance
0.75X 120MM Reduce magnification,increase Work distance
1.5X 45MM increase magnification,reduce Work distance
2X 30MM increase magnification,reduce Work distance

A Barlow lens is a diverging lens that alters the focal length of a microscope and, therefore, the field of view. They also alter the working distance between the objective lens and the specimen, which is a critical variable for many applications such as PCB soldering and inspection.

A Barlow attaches to the bottom of the objective lens on a stereo (low power) microscope when there is a need for either more or less of one of the following variables:
Working Distance /Field of View/ Magnification

The most common type of Barlow lens is the Reducing Barlow. A Reducing Barlow reduces the magnification power of the microscope, but has the advantage of increasing the field of view and the working distance between the objective and the specimen. Reducing Barlows are typically 0.3x, 0.5x and 0.75x although other powers are available.

Additional information


0.3X, 0.5X, 0.7X, 1.5X, 2X


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