Fly-Eye Lens 20mm Focal Length

FRL-50S-20P

The lens of short focal length, which is thicker, has been made to a step structure and to a thin plate shape with the characteristics of the lens. It can be used as a substitute for the lens for a loupe and LED light.
◦Since it is processed directly on the acrylic plate of 2mm thickness, it is difficult to be deformed and the performance is stable.
◦There are four focal lengths offered from 5mm to 20mm.
◦Compared with the lens of the same focal length, it is lighter and lens will not protrude from the edge of holder.
More Information
Name Fly-Eye Lens 20mm Focal Length
Weight 0.0050kgs
Standard Coatings Available No
Guide
  • This product is available with different focal lengths and sizes that are not listed on-line or in our catalog. Please contact our Sales Division with your requests.
Remark -
Attention
  • There is a direction to the Fresnel lens. Surface that is processed is equivalent to convex.
  • When used in laser, since diffracted light is generated in the step structure, some of the light will also leaked around the focused spot .
  • Characteristics as the lens is obtained in the range of φ50mm, but it is not guaranteed the accuracy of the focal length out of the scope of the clear aperture.
  • When rubbing strongly the processed surface of the Fresnel lens, performance may be degraded. Please do not touch directly the surface.
  • When exposed to high temperature of 80°C or more, it may be deformed and performance can be severely degraded.
  • Please do not use organic solvents such as acetone and chloroform which will dissolved and damage the step structure.
  • At the time of delivery, it is delivered with a protection sheet affixed to the surface. Please remove this protective sheet before using.
Image Label Fly-Eye Lens 20mm Focal Length
Focal length 20mm
Material CLAREX (acrylic resin)
Material CLAREX (acrylic resin)
Refractive index n<sub>d</sub>  1.49
Focal length tolerance ±10% (at Clear aperture)
Focal length f 20mm
Prism Pitch 0.08mm
Clear aperture φ40mm
In stock
SKU
FRL-50S-20P
$54.00

Delivery in : in stock

The lens of short focal length, which is thicker, has been made to a step structure and to a thin plate shape with the characteristics of the lens. It can be used as a substitute for the lens for a loupe and LED light.

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