• Made of N-BK7 Glass
• Uncoated Wavelength Range: 350 nm - 2.0 µm

The negative cylindrical lens acts as a plano-concave spherical lens, except it is on only one axis. This lens is used in applications that require one dimensional shaping of a light source. A typical application is to use a single cylindrical lens to turn a collimated laser into a line generator. Pairs of cylindrical lenses may be used to anamorphically shape images. To minimize the introduction of aberration, the curved surface of the lens should face the source when used to diverge a beam.

• Material: N-BK7
• Uncoated Wavelength Range: 350 nm - 2.0 µm
• Design Wavelength: 587.6 nm
• Length Tolerance: +0.00 / -0.10 mm
• Height Tolerance: +0.00 / -0.10 mm
• Center Thickness Tolerance: ±0.2 mm
• Focal Length Tolerance: ±1%
• Surface Quality: 60-40 Scratch/Dig
• Centration for f≤50 mm: ≤5 arcmin
• Centration for f>50 mm: ≤3 arcmin
• Surface Flatness(Plano Side): Height: λ/2, Length: λ/2
• Cylindrical Surface Power(Concave Side): Height :3λ/2, Length: 3λ/2
• Surface Irregularity: Height (Plano, Curved): λ/4, λ, Length (Plano, Curved): λ/4, λ/cm
• Clear Aperture: >90% of Surface Dimensions
• f: -400 mm
• H: 30 mm
• L: 32 mm
• R: -206.7 mm
• t_c: 3 mm
• t_e: 3.5 mm
• f_b: -402 mm