Lenses made up of a doublet correcting chromatic aberrations. Recommended when image quality should not be degraded (for artificial eyes, monitoring through viewfinders or glasses...).
Focal length(s) to be specified when ordering.
- Outer diameter: 40 mm - Effective diameter: 37 mm - Thickness: 10 mm - Tolerance: 2% on the focal length - Spectral range: 400 to 700 nm - Glasses: Crown and Flint - Mount: metal ring - Marking: engraved focal length