Negative Fresnel Lenses

A negative Fresnel lens is the opposite of a positive Fresnel lens with diverging light rays.
SC 2135 neg -764.0 0.508 infinite -764.0 436.3
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Focal Length
Facet Spacing
Fresnel Conjugate
Plano Conjugate
Clear Aperture
SC 259 neg -18.3 0.254 infinite -18.3 16.6
SC 239 neg -102.8 0.508 infinite -102.8 139.4
SC 902 neg -129.6 0.254 infinite -129.6 230.1
DC 1100L neg -185.8 0.508 infinite -185.8 269.0
DC 427L neg -205.7 0.508 infinite -205.7 302.0
DC 434U neg -255.3 0.508 infinite -255.3 302.0
SC 973 neg -508.0 0.508 infinite -508.0 408.7
  • All dimensions in mm.
  • Focal lengths listed apply to 546nm in PMMA (max. tolerance ± 5%).
  • The outside size may be up to 5 - 20mm beyond the clear aperture.
  • The standard thickness is 1.8mm ± 0.3.
  • Other dimensions or special trimmings can be realised upon request.
  • Special designs possible on request.