Magnifying Glass with Folding Handle — c. 1930
This antique magnifying glass with folding handle dates from around 1930 and combines practical optical design with elegant simplicity. The lens measures approximately 2 inches in diameter. When the handle extends fully, the total length reaches about 4½ inches. It delivers a magnifier power of approximately 3x, equivalent to an 8-diopter lens — a useful and comfortable strength for close reading and detailed inspection. Read the history of the magnifying glass at the Science Museum Group
A Clever Folding Design
The folding handle sets this magnifier apart from standard examples. It collapses neatly against the lens frame for compact storage and travel. This feature reflects the practical ingenuity typical of early 20th-century optical accessories. Pocket-sized optical tools were essential companions for professionals, collectors, and readers of the era.
Materials and Construction
The frame and handle appear to be nickel alloy. Nickel was widely used in optical and scientific instruments of this period for its durability and corrosion resistance. The construction is clean and purposeful, with no unnecessary ornamentation. The simple wire-form folding handle is both functional and visually distinctive.
Optical Specifications
The lens provides 3x magnification, rated at 8 diopters. This power level suits a broad range of tasks. Jewelers, philatelists, readers with low vision, and naturalists all relied on magnifiers of this strength. At 2 inches in diameter, the lens offers a generous field of view without distortion at the edges.
A Snapshot of Early 20th-Century Optical Culture
By 1930, personal optical accessories had become refined consumer objects. Manufacturers produced magnifiers in a wide range of materials and configurations. The folding handle represented a premium feature — one that signaled quality and thoughtful design. This example survives in good original condition and carries the quiet authority of a well-made everyday instrument from a century ago.
Dimensions at a Glance
The lens diameter is approximately 2 inches. The fully extended length is approximately 4½ inches. Magnification is 3x (8 diopters). The frame material is nickel alloy. See antique spectacles and optical accessories museum.
