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