Features
- Very Economical
- AR Coated 650 - 1050 nm
- Offers Higher NA and Less Spherical Aberration than Spherical Lenses
This Aspheric Condenser Lens is ideal for high-efficiency illumination applications. Compared to spherical lenses, this lens introduces fewer aberrations, offers larger apertures, and provides lower f/d ratios. This aspheric condenser lens is designed for collimating light from a lamp, LED, or similar light source; for best performance in this application, the plano side of the lens should face the source.
Specifications
- Focal Length Tolerance: ±5%
- Design Wavelength: Visible
- Wavelength Range (B-Coated Lenses): 650 - 1050 nm
- Surface Quality: 60 - 40 Scratch-Dig
- Diameter Tolerance: +0.0 mm / -0.5 mm
- Center Thickness Tolerance: ±0.3 mm
- Edge Thickness Tolerance: ±0.3 mm
- Centering Tolerance (Wedge): 30 arcmin
- Temperature (Max): 250 °C
- Glass Type: B270 Optical Crown Glass
- RoHS: Compliant
- Diameter: 25 mm
- f: 20 mm
- f/d: 0.8
- Clear Aperture (mm): >90%
- fb: 12.1 mm
- Numerical Aperture: 0.543
- Center Thickness: 12.0 mm
- Edge Thickness: 2.8 mm
- Non-Aspheric Surface: Plano
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