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Optivisors - Otto Frei
Optivisors - Otto Frei
Donnegan

Optivisors

All 6 options in stock
$60.15to$66.15
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Description

An OptiVISOR magnifies close bench work such as stone setting, engraving, and watch repair while leaving both hands free. America's #1 head-mounted magnifier for jewelers, watchmakers, and craftspeople. OptiVISOR is the only headband magnifier that uses optical glass prismatic lenses for superior clarity, durability, and scratch resistance. It is comfortable, lightweight, fully adjustable, can be worn over prescription glasses, and is made in the USA.

Features

  • Optical glass prismatic lenses for clarity unmatched by plastic alternatives
  • Made in the USA, with quality and durability trusted by professionals
  • Interchangeable lens plates that upgrade or swap magnification in seconds
  • Fits over eyeglasses, with an adjustable headband designed for all-day comfort

Available Options

Part # Model Magnification Focal Length (Working Distance)
129.470 DA 2 1.5X 20 in (510 mm)
129.471 DA 3 1.75X 14 in (355 mm)
129.472 DA 4 2.0X 10 in (250 mm)
129.473 DA 5 2.5X 8 in (200 mm)
129.474 DA 7 2.75X 6 in (150 mm)
129.475 DA 10 3.5X 4 in (100 mm)

Notes

  • Higher magnification means a shorter working distance, so choose the model that matches how close you prefer to work.
  • The number in the upper left corner of each lens plate indicates its approximate diopter power.
  • Focal length is measured from the lens plate to the work surface, not from your eyes.
  • The DA 5, at an 8 in working distance, is the most popular choice among bench professionals.

Specifications

Brand
Donnegan
Part #
Varies by type
Type
Magnifiers & Lighting
Country of Origin
United States
Dimensions
10 in x 8 in x 2 in
Lens Type
Optical glass prismatic
Lens Plates
Interchangeable
Headband
Adjustable, fits over prescription eyeglasses
Magnification Range
1.5X – 3.5X by model
Working Distance Range
4–20 in (100–510 mm) by model
California Prop 65 Warning California Prop 65 Warning:
Cancer and Reproductive Harm. www.P65warnings.ca.gov.

Reviews · 2

This product has 2 reviews.

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  • 5 stars: 2 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
D
Dee Dee
Optivisor

I love this optivisor! So comfortable to wear all day (very light). My only regret is why did I wait so long to give them a try. By far (100%) better than what I was using. The clarity of the lenses is amazing. Highly recommend.

D
Daniel
The best value by far.

Excellent product. I've been using these in #4, 7, and 10 lenses for 37 years. I have tried a few other products but I haven't found anything better.

D
Dana Schad

Hi. I’m going to be buying the Donegan mag light. Currently using a 2.5 magnifier but noticing I need something a little stronger. Is the DA 7 stronger than the DA5 or does it only pertain to distance

OttoFrei.com

The DA 7 is stronger, at 2.75x, bringing you closer to your work. The DA 10 is the strongest at 3.5X. The strengths and focal distances of the different options are listed in the product description

T
Tonya R. Wallace

Can this for over someone's regular eye glasses? And what kind of light is on it?, - how far it does the light go? Please and thanks so much

OttoFrei.com

Yes Optivisors can be used over regular eye glasses. Lights are optional. The lights that are available will illuminate objects within hands reach.