Magni-Focuser, 3.50x, 4" working distance - 40-269-3

• For work or hobby applications
• Binocular magnifier with interchangeable lens units.
• Shatter resistant, optical acrylic lens.
• Lens size 3-1/9" x 1-1/8".
• Padded vinyl headband.
• Can be worn over glasses. No center post.
• Lightweight, comfortable, washable.
• A vision aid for close-up, hands-free work and precise quality control.
• Special Bi-Focal Version conveniently eliminates the need to switch lens units since two powers of magnication are available in one lens unit.

See all Magni-Focusers