Description
Specifications:
Lens Type: Optical Glass Aspherical Singlet Lens (Molded / Ground & Polished)
Material: N-BK7 (nd=1.5168, νd=64.2) / K9 (H-K9L) Equivalent
Diameter (Clear Aperture): 7.2mm (Ø7.2mm)
Effective Focal Length (EFL): 5mm / 6mm / 7mm / 8mm / 10mm / 12mm / 15mm / 20mm / Custom
Back Focal Length (BFL): Specified per design
Numerical Aperture (NA): 0.2 – 0.6 (depending on EFL & clear aperture)
Center Thickness: 1.8mm – 4.0mm (design dependent)
Dimension Tolerance: ±0.02mm / ±0.05mm
Center Thickness Tolerance: ±0.02mm
Surface Figure (Base Sphere): λ/4 @ 632.8nm
Surface Roughness (RMS): <20nm (Molded) / <5nm (Polished)
Surface Quality (Scratch-Dig): 60-40 / 40-20 / 20-10
Clear Aperture: ≥90% of Ø7.2mm
Edge Treatment: Fine Ground / Edge Blackened (Optional) / Bevel 0.05–0.1mm × 45°
Aspheric Coefficients: Optimized per wavelength band (available on request)
Coating: Broadband AR 400–700nm (Ravg<0.5%) on both surfaces / MgF₂ / V-Coat / Custom
Operating Wavelength: 400nm – 700nm (Visible Optimized)
Transmission: >99% per surface with BBAR coating
Operating Temperature: -40°C to +80°C
We are professional manufacture on the optical lenses &lasers for over 20 years experience.
With the advanteges,we offer optical products in the fileds of University laboratory, Industry, Scientific research,Medical treatment, Mechanical equipments, lasers and Construction industry and so on.
We can provide optical lenses, optical prisms, high-precision Powell prisms, right-angle prisms, laser lenses, filters, aspherical lenses, collimating lenses, optical glass lenses, optical reflectors, cylindrical lenses, laser modules, laser heads, optical glued lenses, optical rod mirrors, etc.
Looking forward to communicating whether we have the opportunity to cooperate. For the lens/laser products you need, I would like to quote our competitive price.
Please contact for any custom needs,
Contact:Rebecca Xu
