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American Educational 6 Piece Glass Lens Set

15 customer reviews
| 5 answered questions

Currently unavailable.
We don't know when or if this item will be back in stock.

Specifications for this item
Brand Name American Packing & Gasket
Number of Items 1
Outside Diameter 50  mm
Part Number 7-909-14
UNSPSC Code 60101733

The American Educational 6 Piece Glass Lens Set has lenses with different c... Read full product description



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WARNING:
CHOKING HAZARD -- Small parts. Not for children under 3 yrs.

Product Features

  • Set of six glass lenses with different curvatures for demonstrating optical principles and effects for students
  • One each of the following lenses: double-convex, plano-convex, double-concave, plano-concave, concavo-convex, and convexo-concave
  • Double-convex, plano-convex, and concavo-convex lenses converge light rays to a point, and convexo-concave lenses diverge light rays from a point
  • Each lens is 50mm in diameter

Product Details

  • Shipping Weight: 0.8 ounces
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B00657LW8G
  • Item model number: 7-909-14
  • Average Customer Review: 3.8 out of 5 stars  See all reviews (15 customer reviews)
  • Amazon Best Sellers Rank: #45,697 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
  • Product Warranty: For warranty information about this product, please click here

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Product Description

The American Educational 6 Piece Glass Lens Set has lenses with different curvatures for demonstrating optical principles and effects for students. The set includes one each of the following lenses: double-convex, plano-convex, double-concave, plano-concave, concavo-convex, and convexo-concave. Double-convex, plano-convex, and concavo-convex lenses converge light rays to a point, and convexo-concave lenses diverge light rays from a point. A convergent and a divergent lens paired together will cancel out the optical effect of each lens. Lenses are used in scientific experiments and classroom demonstrations.

Science education products incorporate applied math and science principles into classroom and homeschool-based projects. Teachers in pre-K, elementary, and secondary classrooms use science education kits and products alongside science, technology, engineering, and math (STEM) curriculum to demonstrate STEM concepts and real-world applications through hands-on activities. Science education projects include a broad range of activities, such as practical experiments in engineering, aeronautics, robotics, energy, chemistry, physics, biology, and geology.

American Educational Products manufactures learning materials in math, science, and reading/language arts for students in pre-kindergarten through grade 12, under the Scott Resources, Hubbard Scientific, National Teaching Aids, and Ginsberg Scientific brands. The company, founded in 1986, is headquartered in Fort Collins, CO.

What's in the Box?

  • Double-convex lens, 50mm diameter
  • Plano-convex lens, 50mm diameter
  • Double-concave lens, 50mm diameter
  • Plano-concave lens, 50mm diameter
  • Concavo-convex lens, 50mm diameter
  • Convexo-concave lens, 50mm diameter

Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

8 of 8 people found the following review helpful By The Eye on November 30, 2012
Verified Purchase
These lenses are not the best quality. They do work better than chunks of ice or glass shards to demonstrate the optical properties of vitreous material. Not a ringing endorsement, but there it is.
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4 of 4 people found the following review helpful By GPVanRoe on January 30, 2013
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I use these lenses when I do a demonstration of optics. They may not be the best quality but work for me.
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The purpose of these six lenses is to show students how the six combinations of curvatures of both surfaces produce three converging and three diverging lenses. The surfaces are meant to be inspected visually by students and felt by pinching the center of each lens with the thumb and forefinger and then sliding out to the edge. Whereas these lenses are not meant to be used in optical equipment, the optical quality of the set that I bought is quite good. The edges are nicely polished, and the curvatures match beautifully; namely, when the curved surfaces of the plano-convex and plano concave lenses are placed in contact coaxially, the effects of these lenses nicely cancel. A similar statement applies to the concavo-convex-converging and concavo-convex-diverging lenses. A knowledgeable science teacher can show a number of optical principles and effects with these lenses, and they are a great buy!
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1 of 1 people found the following review helpful By C. Norris on March 20, 2015
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Lenses are cloudy... I've tried using different lens cloths and they are still cloudy.
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By erdenebileg tse on September 18, 2013
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fast service,good stuff i bought it for my kid's educational experiment ,they love to use it.fun for them those experiment.
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By mkgs on May 6, 2015
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I was able to build a small telescope for my daughter's science fair project. All the convex lens were very useful.
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By TrueReviewer on April 27, 2015
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did not meet expectations. No packaging. Smaller than expected.
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0 of 1 people found the following review helpful By Tej Luthra on August 20, 2013
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My son wanted to build a telescope at home so I ordered these lenses. The deal and price point were the reasons I went for it. There were 6 different type of lenses with the purchase and this gives me an opportunity to do a few more optic projects at home and a hope it sparks an interest for my son.
The product was delivered on time and came packed in bubble wrap and packaging so that was good. 2 of the 6 lenses were damaged at the outer edges. Not a whole lot but enough to notice and feel (few nicks on each lens).
I haven't used them yet so hopefully they work. Lens is clear and no blemish. The product didn't come with instructions on what type of lens is which, it's focal length or any other specs. Maybe a few examples or project ideas would be good to include that keeps the interest going. But perhaps the company has a separate purchase for a project book.
Overall I'm excited to work with my 8 yr old on this project and hope we succeed.
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