61-6950-30 Reasonable Plano Convex Lens φ6mm Uncoated Focal Length: 8mm S-SLB-06-08P
Analyzer, Testing Equipment

61-6950-30 Reasonable Plano Convex Lens φ6mm Uncoated Focal Length: 8mm S-SLB-06-08P

model: 61-6950-30
brand: SIGMAKOKI CO., LTD.

Product Description

Product Model: 61-6950-30Product Brand: SIGMAKOKI CO., […]

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Product Details

Product Model: 61-6950-30
Product Brand: SIGMAKOKI CO., LTD.

Features

  • Surface quality is one rank lower than that of Spherical Convex Lens (SLB-P).
  • Can be ***d for optical systems that do not require high surface quality, such as lighting or observation applications.
  • Other than surface quality, the specifications are almost the same as the Spherical Convex Lens (SLB-P).
  • I recomm*** this lens unless you want to *** it for high-precision experiments with lasers.
  • A plano-convex lens with low spherical aberration.
  • In addition to the no-coat product, three types of lenses with anti-reflection film are available in the visible, near-infrared and infrared ranges.
  • * Spherical plano-convex lenses have chromatic aberration, and the focal length dep***s on the wavelength.
  • * Plano-convex lenses allow light to enter.
  • * Be sure to allow parallel light to enter from the convex side.
  • * Doing the reverse operation will ca*** the spherical aberration to increase, which can ca*** the focus spot to increase and can ca*** blurred images.
  • * The transmittance of the uncoated product is about 90% due to the loss ca***d by the reflection of the front and back of the lens.

Spec

  • [

    common specification]
  • Material: BK7
  • Design wavelength: 546.1nm
  • Refractive index: n e=1.519
  • Eccentricity: <3′
  • Coating: No coat
  • Effective diameter: 90% of the outer diameter
  • Scratch - dig: 60-40
  • [Individual specification]
  • Reflective prevention film coat wavelength region: No coat
  • Outer diameter φD: φ6mm
  • Focus distance f: 8mm
  • Edge thickness te: 1mm
  • Center thickness tc: 2.3mm
  • Back focus fb: 6.5mm
  • Curvature half diameter r: 4.15mm
  • RoHS conform product

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