Lenses Spherical, Unmounted Lens Diameter 50mm Focal Length 250mm

Item 3305-26

In Stock

This clear plastic Triple Lens Magnifier has three magnifications: 2X, 6X, and 8X. It is useful for close examination in the field and in the lab.
Dimensions:
• 2X lens: 25 mm (1″) Dia.
• 6X lens: 16 mm (0.63″) Dia.
• 8X lens: 13 mm (0.5″) Dia.
• 100 mm (4″) L

Item 6457-20

In Stock

Unmounted Spherical Bi-Convex Glass Lenses 2″ dia x 8″ fl

Item 3305-25

In Stock

Bi-concave lenses are used for reducing the size or spreading light with two inward curving symmetrical faces. This lens is made of polished glass with ground edges. It provides a convenient way to illustrate the properties of lenses to students.
• 4″ (100 mm) focal length
• 1.5″ (38 mm) Dia.

Item 3309-02

In Stock

Bi-convex lenses are used as magnifying or condensing lenses, with two outward curving symmetrical faces. This lens is made of polished glass with ground edges. It provides a convenient way to illustrate the properties of lenses to students.
• 20″ (500 mm) focal length
• 1.5″ (38 mm) Dia.

Item 3305-08

In Stock

Unmounted Spherical Bi-Convex Glass Lenses 2″ dia x 4″ fl

Item 3305-22

In Stock