Meniscus lenses

Meniscus lenses are convex-concave lenses. They have one outward curved face and one inward-curved face. If the outward curve is sharper than the inward curve, the lens has a positive focal length and acts as a magnifier.Positive meniscus lenses are designed to minimize ...

Jilin Tianhua Opto-electrical Technology Development Co., Ltd.    [Measurement & Analysis Instruments]   [Optical Instruments]   [2014-01-03 03:54:30 ]

Off-axis with angle cylindrical lenses

Off-axis with angle cylindrical lenses: We will also do according to the specifications such as size, structure, material, surface treatment and so on that the customers required. We supply them with good quality and low price. Please contact us to know details. Besides, there ...

Jilin Tianhua Opto-electrical Technology Development Co., Ltd.    [Measurement & Analysis Instruments]   [Optical Instruments]   [2014-01-03 03:53:09 ]

Parabolic cylindrical lenses

Parabolic cylindrical lenses: Material: Optical Glass Diameter Tolerance:+0.0/-0.05mm Thickness Tolerance: ±0.1mm Surface Quality: 20-10 Centration: <3arcmin Clear Aperture: >90% We will do according to the specifications such as size, structure, material, surface treatment ...

Jilin Tianhua Opto-electrical Technology Development Co., Ltd.    [Measurement & Analysis Instruments]   [Optical Instruments]   [2014-01-03 03:51:41 ]

Achromatic lenses

Achromatic lenses can be used to collimate and focus laser beams. They can also be used for high-quality imaging on-axis. It alsocan eliminate spherical aberration and reduce other optical aberrations compared to a simple lens. We will also do according to the specifications ...

Jilin Tianhua Opto-electrical Technology Development Co., Ltd.    [Measurement & Analysis Instruments]   [Optical Instruments]   [2014-01-03 03:50:26 ]

Bi-Concave Cylindrical Lense

Bi-Concave Cylindrical Lenses We will also do according to the specifications such as size, structure, material, surface treatment and so on that the customers required. We supply them with good quality and low price. Please contact us to know details. Besides, there are a ...

Jilin Tianhua Opto-electrical Technology Development Co., Ltd.    [Measurement & Analysis Instruments]   [Optical Instruments]   [2014-01-03 03:48:10 ]

Bi-Convex Cylindrical Lense

Bi-Convex Cylindrical Lenses Material: BK7 or other optical materials Center Thickness:±0.2mm ~ ±0.03mm Focal Length Tolerance±2% ~ ±0.5% Surface Quality:60/40 ~ 10/5 Surface Figure:λ/2 /632.8nm ~ λ/20 /632.8nm Centration:5arcmin~1arcmin Clear Aperture: 80%~90% Chamfer: ...

Jilin Tianhua Opto-electrical Technology Development Co., Ltd.    [Measurement & Analysis Instruments]   [Optical Instruments]   [2014-01-03 03:47:08 ]

Plano-concave cylindrical lenses

Plano-concave cylindrical lenses provide uni-axial negative imaging for anamorphic beam expansion and a wide range of applications. Material: BK7,Fused Silicaand other optical material Focal Length Tolerance:±2% ~ ±0.5% DiameterTolerance:±0.2mm ~ ±0.05mm Center ...

Jilin Tianhua Opto-electrical Technology Development Co., Ltd.    [Measurement & Analysis Instruments]   [Optical Instruments]   [2014-01-03 03:46:01 ]

Plano-Convex Cylindrical Lenses

Plano-Convex Cylindrical Lenses, also known as Plano-Convex Cylinder Lenses, generally used for one dimensional magnification or stretching an image in one dimension only.Plano-Convex Cylindrical lenses have a positive focal length, which makes them ideal for collecting and ...

Jilin Tianhua Opto-electrical Technology Development Co., Ltd.    [Measurement & Analysis Instruments]   [Optical Instruments]   [2014-01-03 03:44:19 ]

Bi-concave lenses

Bi-concave lenses with both curved sides have negative focal length, and are used for image reduction and to spread light. Material: BK7 , Silica andothers Focal length tolerance:±2% ~ ±0.5% Diameter tolerance:±0.2mm ~ ±0.05mm Center Thickness:±0.2mm ~ ±0.03mm Surface ...

Jilin Tianhua Opto-electrical Technology Development Co., Ltd.    [Measurement & Analysis Instruments]   [Optical Instruments]   [2014-01-03 03:42:11 ]

Bi-convex lenses

Bi-convex lenses are used as magnifiers, objectives, condensing systems. Since both surfaces contribute to the power of biconvex lenses, they have shorter focal length than PCX lenses of equal diameter and surface radius. Material : BK7 and others Focal length tolerance :±2% ~ ...

Jilin Tianhua Opto-electrical Technology Development Co., Ltd.    [Measurement & Analysis Instruments]   [Optical Instruments]   [2014-01-03 03:40:08 ]

Plano-Concave Lenses

Plano-Concave Lenses have negative focal lengths. These lenses diverge collimated incident light. They form virtual images which are seen through the lens. They are often used to expand light or to increase focal lengths in existing systems. Materail:BK7,Fused Silica,Calcium ...

Jilin Tianhua Opto-electrical Technology Development Co., Ltd.    [Measurement & Analysis Instruments]   [Optical Instruments]   [2014-01-03 03:38:10 ]

Plano-Convex Lenses

Plano-Convex Lenses areused for focusing beams in telescopes, collimators or condenser systems, optical transceivers or other applications. Main specifications: Material: BK7 or other optical glass, fused silica, CaF2 and ZnSe Diameter tolerance:±0.2mm ~ ±0.05mm Focal length ...

Jilin Tianhua Opto-electrical Technology Development Co., Ltd.    [Measurement & Analysis Instruments]   [Optical Instruments]   [2014-01-03 03:36:47 ]

Fresnel lenses

Fresnel lenses can capture more oblique light from a light source, thus allowing the light from a lighthouse equipped with one to be visible over greater distances. Fresnel lenses were later produced, being used for automobile headlamps, brake, parking, and turn signal lenses, ...

Jilin Tianhua Opto-electrical Technology Development Co., Ltd.    [Measurement & Analysis Instruments]   [Optical Instruments]   [2014-01-03 03:30:45 ]

Beam splitters

Beam splitters: When a light beam is incident onto a surface inclined at an angle of incidence to the incoming beam, the reflected and transmitted light becomes partially polarised. This can be resolved into two components defined as s and p polarisation. This effect of an ...

Jilin Tianhua Opto-electrical Technology Development Co., Ltd.    [Measurement & Analysis Instruments]   [Optical Instruments]   [2014-01-03 03:24:47 ]

LED prisms

LED prisms: The following are parameters: 1.material: BK7,Fused Silica and other optical glass 2. Wavelength:632.8 3. Focal length tolerance:±1% 4. Diameter tolerance:+0.0/-0.1mm 5.Centre thickness tolerance:±0.1mm 6. Flatness:λ/8@633nm 7.Surface quality: 40/20 8. Optic ...

Jilin Tianhua Opto-electrical Technology Development Co., Ltd.    [Measurement & Analysis Instruments]   [Optical Instruments]   [2014-01-03 03:20:59 ]

Right angle Prisms

Right angle Prisms are available in both Laser Quality and Analytical Quality polish designated as LQ (Laser Quality) and AQ (Analytical Quality). Right Angle Prisms are a type of 45-90-45 degree prism typically used to bend a beam of light through a right angle with the ...

Jilin Tianhua Opto-electrical Technology Development Co., Ltd.    [Measurement & Analysis Instruments]   [Optical Instruments]   [2014-01-03 03:18:27 ]

Roof prisms

Roof prisms also called amici prisms or right angle roof prisms, do two things: invert the image and bend the line of sight through a 90° angle.They are excellent as prism diagonals in optical systems, because they erect the inverted image. Also ideal for use in spotting ...

Jilin Tianhua Opto-electrical Technology Development Co., Ltd.    [Measurement & Analysis Instruments]   [Optical Instruments]   [2014-01-03 03:16:32 ]

Penta Prisms

Penta Prisms is a five-sided prism. It reflects light rays through a 90° angle by two reflections and does invert or revert the image. The reflecting surfaces are aluminized. Slight movement of the prism does not affect the true right angle at which light rays are reflected. ...

Jilin Tianhua Opto-electrical Technology Development Co., Ltd.    [Measurement & Analysis Instruments]   [Optical Instruments]   [2014-01-03 03:12:57 ]

Dove prism

Dove prism is a type of reflective prism which is used to invert an image. A beam of light entering one of the sloped faces of the prism undergoes total internal reflection from the inside of the longest (bottom) face and emerges from the opposite sloped face. Images passing ...

Jilin Tianhua Opto-electrical Technology Development Co., Ltd.    [Measurement & Analysis Instruments]   [Optical Instruments]   [2014-01-03 03:09:38 ]

Equilateral prisms

Equilateral Prisms are used routinely as dispersing elements where spectral separation is required. They provide better brightness. They also have greater power handling capabilities and avoid possible confusion when trying to interpret overlapping spectral orders. Ealing ...

Jilin Tianhua Opto-electrical Technology Development Co., Ltd.    [Measurement & Analysis Instruments]   [Optical Instruments]   [2014-01-03 03:07:53 ]