40-20 Scratch / Dig Spherical Lenses Datasheets

Double-Concave Lenses
from Artifex Engineering

Double-Concave (DCV) lenses have two inward curved surfaces. DCV lenses have a negative focal length and are used for image reduction or to spread light. [See More]

  • Surface Quality: 40-20 Scratch / Dig (optional feature); 60-40 Scratch / Dig (optional feature)
  • Lens Application: Visible
  • Lens Form: Concave-Concave
  • Focal Length: -30 to -6.3
Achromatic Lens 6.25mm Dia. x 25mm FL, Uncoated -- NT32-304
from Edmund Optics Inc.

Discounts up to 80% Off. Quantities Extremely Limited. Final Sale, No Returns. Shop the EO Mega Clearance presentations for the hottest deals on component-level products. Quickly browse the best optics, imaging, and photonics deals you will ever see. Quantities are extremely limited and are sold on... [See More]

  • Surface Quality: 40-20 Scratch / Dig
  • Diameter: 6.25
  • Focal Length: 25
  • Center Thickness: 2.3
N-BK7 Bi-Concave Lenses
from Newport Corporation

Our N-BK7 precision bi-concave lenses are polished to tight tolerances using master test plates to ensure minimum wavefront distortion for demanding laser collimating applications. Low cost, high performance N-BK7 optical glass. Bi-Concave shape for beam expansion applications. ≤ λ/4... [See More]

  • Surface Quality: 40-20 Scratch / Dig
  • Lens Application: Infrared; Visible
  • Lens Form: Concave-Concave
  • Focal Length: -500 to -6.3
Achromat Micro Optics -- L-MAC000
from Ross Optical Industries

Similar to Standard Achromats but smaller in diameter, these Micro Achromats provide good spherical and chromatic correction, enabling them to be used in laser applications. [See More]

  • Surface Quality: 40-20 Scratch / Dig
  • Lens Application: Infrared (optional feature); Visible; Ultraviolet (optional feature)
  • Lens Form: Convex-Convex
  • Focal Length: 6
Bi-Convex -- 520-1212
from Spectral Systems, LLC

Wide range of geometry and selection of materials for custom applications [See More]

  • Surface Quality: 40-20 Scratch / Dig
  • Focal Length: 12.7
  • Lens Form: Convex-Convex
  • Diameter: 12.7
Ball Lenses
from Tower Optical Corporation

Ball lenses are used for various tasks such as improving the coupling between optical fibers and the emitters or detectors they interface with. Standard size lenses range from 1.0mm to 5.0mm. Custom made sizes or special materials are also available. All Ball lenses can be ordered with full-surface... [See More]

  • Surface Quality: 40-20 Scratch / Dig
  • Materials: BK7 Glass (optional feature); Ultra-violet grade Fused Silica (optional feature)
  • Diameter: 1 to 10
  • Lens Features: Antireflection Coating (optional feature)