Negative Achromats -- L-AON003
from Ross Optical Industries

Negative Achromats consist of two optical components, a crown and a flint glass lens, cemented together. The crown is usually a bi-concave lens. As is true to all Achromats, they are corrected for color and on-axis spherical aberration. They are used predominantly to extend focal lengths in... [See More]

  • Surface Flatness: λ/2
  • Lens Application: Infrared (optional feature); Visible; Ultraviolet (optional feature)
  • Achromat Type: Doublet
  • Focal Length: -20
VALUMAX® Achromatic Doublet Lens -- PAC310
from Newport Corporation

MIL-M-13508, MIL-C-675C, MIL-C-14806, 150 °C cement limitation [See More]

  • Surface Flatness: λ/2
  • Lens Application: Infrared; Visible
  • Achromat Type: Doublet
  • Focal Length: 10