Ball Lenses, also known as Fiber Coupling Spheres, Fiber Coupling Ball Lenses, or Spherical Ball Micro Lenses, are generally used for fiber/laser coupling or collimation. Standard size lenses range from 0.15mm to 10mm. Custom-made sizes as large as 40mm diameter and special materials are also available. All Ball Lenses can be ordered with full-surface anti-reflection (AR) coating.

Field of viewmicroscope

In other words, a sphere with radius 'Re' is defined such that it can fully enclose the ball. The distance from the center of the sphere to the lowest point of the ball is defined as 'Rx.' Then the Deviation from Spherical Form is equal to Re - Rx.

Aspheric Lenses Ball Lenses CCD Lenses Corner Cubes Cylindrical Lenses Fresnels Lens Assemblies Micro Lenses Optical Filters Plastic Lenses Prisms Reflectors Rod Lenses Special Lenses Binocular and Golf-Scopes

SINGAPORE OptoSigma SEA 83 Science Park Drive, #02-01.The Curie, 118258 TEL. +65 6909 9318 sales@optosigma-sea.com SINGAPORE

Deviation from Spherical Form (Sphericity): The greatest radial distance in any radial plane between a sphere circumscribed around the ball surface and any point of the ball surface:

Aspherics Ball Lens Binoculars CCD Corner Cube Lens Cylindrical Lens Fresnel Lens Lens Assembly Micro Lens Optical Filter Plastic Lens Prism Reflector Rod Lens Special Lens

Parfocal length

UK Elliot Scientific Limited Unit 11 Sandridge Park, Porters Wood, St Albans, AL3 6PH TEL. +44 (0)1582 766 300 sales@elliotscientific.com United Kingdom

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Ball Diameter Variation: The difference between the largest and the smallest actual single diameter of one ball. The diameter of each ball is measured by using two parallel planes that are tangent to the ball:

USA OptoSigma Corporation 1540 Scenic Avenue, Suite 150, Costa Mesa, CA. 92626 TEL. +1-949-851-5881 sales@optosigma.com USA