4-90902-20 Lens Double-Convex Glass Lens, 38mm Diameter, 10cm Focal Length. Pack of 20.

★★★★★ 5.0 142 reviews

US$15.72
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US$15.72
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 222111314 Release Date 2026/05/04 List Price US$15.72 Model Number 222111314
Category

This double-convex glass lens is made of polished optical glass. It measures 38mm in diameter and has a focal length of 10cm. Sold in a pack of 20 lenses.

  • The glass lens provides superior optical clarity, lower distortion, and minimal chromatic aberration (color fringing).
  • The lenses are well-made to avoid spherical aberration, where light rays from different parts of the lens don't converge at the same point, resulting in blurry images.
  • This is an affordable, good-quality lenses which performs well for many types of classroom experiments.
  • Great for various lab experiments such as physics demonstrations
  • This is a pack of 20 lenses.
Brand GSC International
Item Weight 11 ounces
Manufacturer GSC International
Number of Items 20
Item model number 4-90902-20
Product Dimensions 4 x 4 x 4 inches
Manufacturer Part Number 4-90902-20

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