40-20 Scratch / Dig Aspheric Lenses
from Newport MKS
The KGA430-A Geltech Molded Glass Aspheric Lens is a very economic choice for collimating or focusing light at high magnification. It is made from CDGM D-ZK3 glass, which features low dispersion (Vd=61.15). Typical applications include fiber coupling, laser diodes, medical lasers, optical data... [See More]
- Surface Quality: 40-20 Scratch / Dig; 40-20 scratch-dig
- Diameter / Length: 2
- Center Thickness: 0.9910
- Lens Features: Antireflection Coating
from Changchun Yutai Optics Co., Ltd.
What is the difference between the material production processes for monocrystalline and polycrystalline silicon?. Monocrystalline silicon: prepared by Czochralski method or Float Zone method, which is a complex and costly process. Polycrystalline silicon: chemical vapour deposition or directional... [See More]
- Surface Quality: 40-20 Scratch / Dig
- Surface Flatness: λ/4
from Newport MKS
The APAC12 Achromatic Aspherical Lens is a 425 to 675 nm antireflection coated (front surface), 0.49 inch (12.5 mm) diameter, N-LaK8 and N-SF57 achromatic doublet lens with an effective focal length of 14.0 mm. The back surface has a molded aspheric polymer cap with a protective seal. This achromat... [See More]
- Surface Quality: 40-20 Scratch / Dig; 40-20 scratch-dig
- Center Thickness: 8.08
- Achromat Type: Doublet
- Edge Thickness: 4.28
from Newport MKS
The APAC15 Achromatic Aspherical Lens is a 425 to 675 nm antireflection coated (front surface), 0.98 inch (25.0 mm) diameter, N-LaK8 and N-SF57 achromatic doublet lens with an effective focal length of 30.0 mm. The back surface has a molded aspheric polymer cap with a protective seal. This achromat... [See More]
- Surface Quality: 40-20 Scratch / Dig; 40-20 scratch-dig
- Center Thickness: 11.58
- Achromat Type: Doublet
- Edge Thickness: 7.28
from Newport MKS
The KGA230-B-MT Geltech Molded Glass Aspheric Lens is a very economic choice for collimating or focusing light at high magnification. It is made from CDGM D-ZLaF52LA glass, which features low dispersion (Vd=40.99). Typical applications include fiber coupling, laser diodes, medical lasers, optical... [See More]
- Surface Quality: 40-20 Scratch / Dig; 40-20 scratch-dig
- Diameter / Length: 6.35
- Edge Thickness: 0.2500
- Lens Features: Antireflection Coating; Mounted
from EKSMA OPTICS
Aspherical lenses are designed to reduce spherical aberration. Complex multi-lens systems designed for compensation of spherical aberration can often be replaced with a single aspheric lense. We offer ex-stock delivery of CNC polished precision plano-convex aspherical lenses made of N-BK7, high... [See More]
- Surface Quality: 40-20 Scratch / Dig
- Focal Length: 10 to 100
- Center Thickness: 4.3 to 10
- Diameter / Length: 12.5 to 50
from Edmund Optics Inc.
Micro Sizes 2mm Dia. Several Coating Options. Aspheric lenses are known for providing simple, single-element solutions for managing laser light. LightPath ® has perfected a glass molding technology that produces aspheric lenses with consistent quality and at practical prices for system... [See More]
- Surface Quality: 40-20 Scratch / Dig
- Edge Thickness: 2.35
- Center Thickness: 2.66
- Focal Length: 22
from Thorlabs, Inc.
At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]
- Surface Quality: 40-20 Scratch / Dig; 60-40 Scratch / Dig; 80-50 Scratch / Dig
- Center Thickness: 0.8800 to 36
- Lens Application: Infrared; Visible; Ultraviolet
- Edge Thickness: 1.45 to 200