BL-3 Worn like glasses, thus leaving the hands free for working and manipulation for detailed inspection. The BL-3 has pre focus medical loupe style construction, high quality coated multi lens structure at a reasonable price. Includes interpupillary (IPD) and nose bridge adjustments. It has a comfortable 3x magnification with a working distance of 11-16 inches -Constructed with high quality multi glass optics and metal alloy lens frames.
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