VIS-EXT Coated Plano-Concave (PCV) Lenses
Original price was: $40.75.$28.53Current price is: $28.53.
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TECHSPEC® VIS-EXT Coated Plano-Concave (PCV) Lenses are designed to bend parallel input rays to diverge from one another on the output side of the lens causing this lens to have a negative focal length. These lenses can be used for balancing aberrations created by other lenses within a system due to their negative spherical aberration. Plano-Concave (PCV) lenses are commonly used in a variety of applications including image reduction, beam expansion and telescopes. TECHSPEC® VIS-EXT Coated Plano-Concave (PCV) Lenses offer optimal performance in the 350nm to 700nm range. These lenses are also available Uncoated, MgF2, VIS 0°, VIS-NIR, YAG-BBAR, NIR I, and NIR II coating options.
- AR Coated to Provide <0.5% Reflectance per Surface for 350 – 700nm
- Designed for 0° Angle of Incidence
- Negative Focal Lengths for Beam Expansion or Light Projection Applications
- Additional AR Coating Options Available: Uncoated, MgF2, VIS 0°, VIS-NIR, YAG-BBAR, NIR I, and NIR II
| Substrate | N-BK7 |
|---|---|
| Coating | VIS-EXT (350-700nm) |
| Wavelength Range (nm) | 350 – 700 |
| Bevel | Protective bevel as needed |
| Centering (arcmin) | |
| Coating Specification | Ravg ≤0.4% @ 425 – 675nm |
| Focal Length Specification Wavelength (nm) | 587.6 |
| Focal Length Tolerance (%) | ±1 |
| Surface Quality | 40-20 |
| Damage Threshold, By Design | 5 J/cm2 @ 532nm, 10ns |
| Power (P-V) @ 632.8nm | 1.5λ |
| Irregularity (P-V) @ 632.8nm | λ/4 |
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