λ/4 Aspheric Lenses
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 Flatness: λ/4
- Surface Quality: 40-20 Scratch / Dig
from Changchun Sunday Optics Co., Ltd.
Cylindrical lenses are generally used to focus incoming light onto a line or to change the aspect ratio of an image.They are usually linear and control the direction of the light beam.A cylindrical lens has a cylindrical surface that enables incident light to focus on a dimension and stretch the... [See More]
- Surface Flatness: λ/4
- Lens Features: Antireflection Coating
- Surface Quality: 10-5 Scratch / Dig
from Changchun Sunday Optics Co., Ltd.
Cylindrical lenses are generally used to focus incoming light onto a line or to change the aspect ratio of an image.They are usually linear and control the direction of the light beam.A cylindrical lens has a cylindrical surface that enables incident light to focus on a dimension and stretch the... [See More]
- Surface Flatness: λ/4
- Lens Features: Antireflection Coating
- Surface Quality: 10-5 Scratch / Dig