Check the listing for details. Aven 26800B-426 Auxiliary Lens 0.75x 54 mm. Condition: New. Listed at 70.72 USD. Aven 26800B-426 Auxiliary Lens 0.75x 54 mm Manufacturer:Aven Part Number:26800B-426 Auxiliary Lens 0.75x for SSZ-30 Series Microscopes. Attach this lens to the microscope body to reduce magnification, increase working distance and field of view.Auxiliary Lens Reduces Magnification SSZ-30 Series Microscopes Diameter: 54 mm Made in China About the Manufacturer With a product line that features more than 750 tools for optical inspection and precision assembly, Aven, Inc. has made a name for itself as a leading precision technology provider. When Aven was founded in 1983, their objective focused on the importing and wholesaling of specialty tools In 1997, Aven underwent its first progression, shifting from traditional workbench tools to industrial electronics supplies. they then turned their focus to precision tools for optical inspection and precision assembly. Today, Aven?s product line includes stationary and portable microscopes, video inspection systems, specialty high-resolution digital and video cameras, lenses, illuminated magnifiers, software for image analysis and tools for precision assembly. Bulk Pricing For customers who wish to order large quantities of this item and would like to receive bulk pricing, please contact us directly and we will provide the best price possible.