product origin:
Chinashipping port:
Fuzhou Chinalead time:
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T/T Payment, Western UnionUni Optics’s Plano Concave Circular Cylindrical Lens has a concave curvature in the vertical direction and has no curvature in the horizontal direction. They are edged as circular shapes so they can easily be combined with other elements in an optical system.
1、Why is cylindrical lens used?
A cylindrical lens is typically used to focus, condense or expand incoming light. A cylindrical lens has one cylindrical surface, causing light to be focused in a single dimension or axis.
2、Which defect of the eye can be corrected by using a cylindrical lens?
The defect of the eye that can be corrected by using cylindrical lens is Astigmatism. Astigmatism is caused due to uneven curvature of the eye lens.
3、How do concave and convex lenses correct vision?
Concave Lenses Are for the Nearsighted, Convex for the Farsighted. Concave lenses are used in eyeglasses that correct nearsightedness. ... Placing concave lenses in front of a nearsighted eye reduces the refraction of light and lengthens the focal length so that the image is formed on the retina.
Common specification
Material: Schott, CDGM, Ohya, Ohara, Corning, etc.
Diameter tolerance: +0/-0.05mm
Effective Focal Length Tolerance:±2%
Centering Tolerance:≤3 arc min
Surface Quality: 40-20 S/D
Surface flatness: N=5△N=0.5
Clear aperture: > 90 % of surface dimensions
Coating: Optional ( Uncoated / Single layer MgF2 / Broadband AR )
Part NO.
Material
F(mm)
Φ(mm)
R(mm)
Tc(mm)
Te(mm)
Fb(mm)
ULYRPV008005
BK7
-8
5
-4.13
2
2.84
-9.34
ULYRPV092008
BK7
-9.2
8
-4.74
2
4.2
-10.53
ULYRPV010008
BK7
-10
8
-5.16
2
3.89
-11.31
ULYRPV125127
BK7
-12.5
12.7
-6.43
2
7.44
-13.8
ULYRPV025127
BK7
-25
12.7
-12.89
2
3.67
-26.33
ULYRPV050127
BK7
-50
12.7
-25.76
2
2.8
-51.33
ULYRPV075254
BK7
-75
25.4
-38.64
2
4.15
-76.34
ULYRPV100254
BK7
-100
25.4
-51.52
3
4.59
-102
ULYRPV150254
BK7
-150
25.4
-77.27
3
4.05
-151.99
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Plano-concave rectangular Cylindrical Lenses
Plano-concave rectangular cylindrical lenses provide uni- axial negative imaging for anamorphic beam expansion and a wide range of applications.These lenses may also be used as mirror blanks if a concave cylindrical surface mirror is required.
Custom Truncated Doublet and Singlet Lenses
We offer an extensive custom truncated doublet lens service. With our 30 year heritage of experience in the industry means we can always find the right product and specification for you, whether you require exotic materials, or exceptionally tight tolerances, we are confident in our ability to supply to your complete satisfaction. The table below is a brief overview of our doublet lens and is not an exhaustive list. If your individual requirements are not met, then please contact our technical sales team who will be happy to advise.es and is n’t an exhaustive list. If your individual requirements are not met, then please contact our technical sales team who will be happy to advise.
Typical Specifications:
Typical materials: Flint (N/F2) and Crown (BK7)
Flint (SF6) and Crown (N-LAK22)
UV & IR materials on request
Diameter: 3mm to 200mm+
Focal length: 3mm to 1000mm+
Centration: < 3 arcseconds
Surface figure: < 0.1 fringe
Surface quality: < 10/5 Scratch/dig
Coating options: Single layer and BBAR coatings for UV/VIS/NIR with R.avg.<0.25%
More information on the achievable specifications for your individual application can be found by contacting our technical sales team.
Endoscope Video Adaptor UN-ZL14323CIR-8MP
ITS Lens UN-AT3514CIR-8MP
For Intelligent Transportation Systems (ITS) Applications: Road Surveillance, ANPR/ALPR, Automatic Incident Detection, Traffic Enforcement Systems, Railway/Tunnel Safety Monitoring, etc.
· Excellent edge sharpness and uniform illumination
· Designed to resist strong light interference, adaptable to complex lighting conditions
· Ultra-high resolution, accurately capture license plates and facial details
Product information: Custom designs are available upon request.
M12· Scanner Lens UN-UW00355056C-MP
AR coated Colour glass window
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Objective Lens UN-UW001832C-5MP
FA Lens UN-TFA7522L-12MP
For high-precision machine vision applications, broadly covering dimensional inspection and surface defect detection in consumer electronics, robotic vision guidance and positioning, as well as automotive component in-line measurement, and intelligent logistics & sorting systems and so on.
· High relative illumination and high contrast
· Low distortion and excellent corner brightness
· High resolution
· Compatible with 1" and 1.1" 12MP camera
Product information: Custom designs are available upon request.
SWIR Lens UN-GSWIR5014L
For Smart Sensors & Photovoltaic Inspection
· Developed for φ28 image format
· Wavelength: 900-1700nm
· Large Aperture, up to F1.4
· Compact and lightweight design
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Tel : +86-591-86395085
Email : sales@uni-optics.com
