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 spherica
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [2014-01-03 03:54:30 ]
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 are
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [2014-01-03 03:53:09 ]
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 and so on
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [2014-01-03 03:51:41 ]
Achromatic lenses can be used to collimate and focus laser beams. They can also be used for high-quality imaging on-axis. It also can eliminate spherical aberration and reduce other optical aberrations compared to a simple lens. We will also do according to the specifications suc
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [2014-01-03 03:50:26 ]
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 large
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [2014-01-03 03:48:10 ]
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~1 arcmin Clear Aperture 80%~90% Chamfer 0.2m
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [2014-01-03 03:47:08 ]
Plano-concave cylindrical lenses provide uni-axial negative imaging for anamorphic beam expansion and a wide range of applications. Material BK7, Fused Silica and other optical material Focal Length Tolerance ±2% ~ ±0.5 % DiameterTolerance ±0.2mm ~ ±0.05mm Center Thickness ±
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [2014-01-03 03:46:01 ]
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 focus
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [2014-01-03 03:44:19 ]
Bi-concave lenses with both curved sides have negative focal length, and are used for image reduction and to spread light. Material BK7 , Silica and others Focal length tolerance ±2% ~ ±0.5% Diameter tolerance ±0.2mm ~ ±0.05mm Center Thickness ±0.2mm ~ ±0.03mm Surface quali
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [2014-01-03 03:42:11 ]
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. [2014-01-03 03:40:08 ]
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 Flu
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [2014-01-03 03:38:10 ]
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 tole
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [2014-01-03 03:36:47 ]
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, an
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [2014-01-03 03:30:45 ]
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 axis <3
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [2014-01-03 03:20:59 ]
Ball lenses have an even higher index of refraction, providing a shorter back focal length, which simplifies fiber coupling Other uses include endoscopy, bar code scanning, ball pre-forms for aspheric lenses, and sensor applications. Material BK7, UVFS, SF8, Sapphire and others W
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [2014-01-03 03:05:16 ]
Rod Lenses are generally used as light pipes. Its optical principle is similar to fiber optics where light can be transmitted from one end to the other with relatively small leakage. Rod Lenses can be used as Cylindrical Lenses. In certain application, Rod Lenses can also be used
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [2014-01-03 02:57:54 ]
1. SMQ5070ZZZ use Duolika underpan,good performance,realiable quality,it equipped with famous brand diesel engine,you may choose suitable engine to fit for your local area according to different area requirements. 2.Antirot material were painted in garbage can,which may prevent b
Henan Benma Co.,Ltd [2014-01-03 01:58:09 ]
桨线绿颜色的20号至34计 桨线是完美的挂花圈通过塑造成环,并确保花卉材料,花圈和形式,简单地环绕任何花茎和盖线与花带。 桨花线也可以用来保护绿化或锥体花圈框架。 桨电线一般规格:20针-34计
Blumendraht Floral Wire Factory. [2013-12-31 02:50:03 ]
CCD camera pick-up positioning labels laser cutting machine adopts high quality DSP technology and internationally leading camera pick-up graphics defination system. C Series fully automatic labels laser cutting machine provides a full set of special designs cutting solution. Sui
Foshan Beyond Laser Technology Co.,Ltd [2013-12-30 10:56:41 ]
HSG Laser adhere to “manufacture the best laser cutting beds in China” for business purposes. The machines go through 600° C heat treatment, 24 hours cooling in the oven, 8 meters gantry milling, to make sure 20 years normal usage without deformation, can cut acrylic, LED an
Foshan Beyond Laser Technology Co.,Ltd [2013-12-30 10:32:22 ]