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Lenses > LENSES SPHERICAL, UNMOUNTED BI-CONCAVE LENS

Made of polished glass with ground edges. Bi-concave lens: Used for reducing the size or spreading out light, with two inward curving symmetrical faces. Available sizes (DIA x FOCAL): 38x100mm, 38x150mm, 38x200mm, 38x250, 38x300, 38x500mm, 38x1000, 50x50mm, 50x100, 50x150mm, 50x200mm, 50x300mm, 50x500mm, 50x1000mm, and 75x200mm.

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Please log in for prices and orders. Product # Product Qty Price 3309-01 PRODUCT SAFETY ALERT (click for larger warnings page) WARNING: CAUTION: Intended for children older than 12 years of age. LENSES SPHERICAL, UNMOUNTED BI-CONCAVE LENS DIAMETER 38MM FOCAL LENGTH 50MM 38mm Diameter, 50mm focal length 3309-02 PRODUCT SAFETY ALERT (click for larger warnings page) WARNING: CAUTION: Intended for children older than 12 years of age. LENSES SPHERICAL, UNMOUNTED BI-CONCAVE LENS DIAMETER 38MM FOCAL LENGTH 100MM 38mm Diameter, 100mm focal length 3309-04 PRODUCT SAFETY ALERT (click for larger warnings page) WARNING: CAUTION: Intended for children older than 12 years of age. LENSES SPHERICAL, UNMOUNTED BI-CONCAVE LENS DIAMETER 38MM FOCAL LENGTH 150MM 38mm Diameter, 150mm focal length 3309-05 PRODUCT SAFETY ALERT (click for larger warnings page) WARNING: CAUTION: Intended for children older than 12 years of age. LENSES SPHERICAL, UNMOUNTED BI-CONCAVE LENS DIAMETER 38MM FOCAL LENGTH 200MM 38mm Diameter, 200mm focal length 3309-06 PRODUCT SAFETY ALERT (click for larger warnings page) WARNING: CAUTION: Intended for children older than 12 years of age. LENSES SPHERICAL, UNMOUNTED BI-CONCAVE LENS DIAMETER 38MM FOCAL LENGTH 250MM 38mm Diameter, 250mm focal length 3309-07 PRODUCT SAFETY ALERT (click for larger warnings page) WARNING: CAUTION: Intended for children older than 12 years of age. LENSES SPHERICAL, UNMOUNTED BI-CONCAVE LENS DIAMETER 38MM FOCAL LENGTH 300MM 38mm Diameter, 300mm focal length 3309-08 PRODUCT SAFETY ALERT (click for larger warnings page) WARNING: CAUTION: Intended for children older than 12 years of age. LENSES SPHERICAL, UNMOUNTED BI-CONCAVE LENS DIAMETER 38MM FOCAL LENGTH 500MM 38mm Diameter, 500mm focal length 3309-09 PRODUCT SAFETY ALERT (click for larger warnings page) WARNING: CAUTION: Intended for children older than 12 years of age. LENSES SPHERICAL, UNMOUNTED BI-CONCAVE LENS DIAMETER 38MM FOCAL LENGTH 1000MM 38mm Diameter, 1000mm focal length Please log in for prices and orders. Product # Product Qty Price 3309-21 PRODUCT SAFETY ALERT (click for larger warnings page) WARNING: CAUTION: Intended for children older than 12 years of age. LENSES SPHERICAL, UNMOUNTED BI-CONCAVE LENS DIAMETER 50MM FOCAL LENGTH 50MM 50mm Diameter, 50mm focal length 3309-22 PRODUCT SAFETY ALERT (click for larger warnings page) WARNING: CAUTION: Intended for children older than 12 years of age. LENSES SPHERICAL, UNMOUNTED BI-CONCAVE LENS DIAMETER 50MM FOCAL LENGTH 100MM 50mm Diameter, 100mm focal length 3309-24 PRODUCT SAFETY ALERT (click for larger warnings page) WARNING: CAUTION: Intended for children older than 12 years of age. LENSES SPHERICAL, UNMOUNTED BI-CONCAVE LENS DIAMETER 50MM FOCAL LENGTH 150MM 50mm Diameter, 150mm focal length 3309-25 PRODUCT SAFETY ALERT (click for larger warnings page) WARNING: CAUTION: Intended for children older than 12 years of age. LENSES SPHERICAL, UNMOUNTED BI-CONCAVE LENS DIAMETER 50MM FOCAL LENGTH 200MM 50mm Diameter, 200mm focal length 3309-27 PRODUCT SAFETY ALERT (click for larger warnings page) WARNING: CAUTION: Intended for children older than 12 years of age. LENSES SPHERICAL, UNMOUNTED BI-CONCAVE LENS DIAMETER 50MM FOCAL LENGTH 300MM 50mm Diameter, 300mm focal length 3309-28 PRODUCT SAFETY ALERT (click for larger warnings page) WARNING: CAUTION: Intended for children older than 12 years of age. LENSES SPHERICAL, UNMOUNTED BI-CONCAVE LENS DIAMETER 50MM FOCAL LENGTH 500MM 50mm Diameter, 5000mm focal length 3309-29 PRODUCT SAFETY ALERT (click for larger warnings page) WARNING: CAUTION: Intended for children older than 12 years of age. LENSES SPHERICAL, UNMOUNTED BI-CONCAVE LENS DIAMETER 50MM FOCAL LENGTH 1000MM 50mm Diameter, 1000mm focal length 3309-45 PRODUCT SAFETY ALERT (click for larger warnings page) WARNING: CAUTION: Intended for children older than 12 years of age. LENSES SPHERICAL, UNMOUNTED BI-CONCAVE LENS DIAMETER 75MM FOCAL LENGTH 200MM 75mm Diameter, 200mm focal length