Optivisor 2.75x No7

Description

Used to aid vision, the Optivisor is a binocular format polished glass lens with a magnification of 2.75x and a focal length of 150mm/6″. The premium lens is attached to a fully adjustable leather-lined headband. When not in use the lens can be swivelled up. The lens can be replace with an alternative magnification.

How to replace the lens

• Unscrew the nut on the rear of the lens, and the bolt on the front, then push forward. The lens is released.
• To replace another lens simply push the lugs through the holes on the optivisor until they ‘click’ into position.
  

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  Catalogue Page Number p773

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