| Note | Magnification strength is unknown |
|---|---|
| Band Expansion | 7.25 - 8.25" |
| Country of Origin | United States |
Check the listing for details. Vintage Donegan Optical Opti-VISOR Binocular Magnifier, Adjustable Headband. Condition: Used, Made in United States. Listed at 30.00 USD. The Vintage Donegan Optical Opti-VISOR Binocular Magnifier is a unique and collectible piece featuring an adjustable headband for comfortable wear. Made in the United States, this binocular magnifier offers a band expansion range of 7.25 - 8.25 inches, providing a versatile option for different users. The magnification strength of this vintage piece is unknown, adding to its mystery and appeal for optical collectibles enthusiasts. Perfect for browsing through scientific and medical literature or exploring various optical phenomena, this Opti-VISOR is a rare find for collectors interested in vintage optical devices.
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