Searching alpha:l* , total 352130 products,queries done in 43 ms

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 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

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

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

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

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

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

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

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 ]

Senyuan SMQ5070ZZZ Self loading and unloading garbage vehicle

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 ]

Paddle wire is perfect for hanging wreaths by shaping into loops

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 Embroidery Laser Cutting Machine HS-C9060

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 ]

High productivity china cutting laser machine with big size HS-B1530

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 ]

150W big size wood laser cutting machine HS-B1525

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 10:16:22 ]

Package easy tearing line plastic laser cutting machine HS-P20

Easy tearing line laser cutting machine HS-P20 puts the laser device in the slitter / own machine, applicated laser cutting technology in soft packing bag easy tear line. Easy tearing line laser cutting machine HS-P20 features (1) Equipped with imported RF metal laser tube, cutti

Foshan Beyond Laser Technology Co.,Ltd      [2013-12-30 09:56:21 ]

For acrylic and metal material china factory cnc laser cutter HS-B1325M

The metal and nonmetal multi-functional laser beds go through 600℃ heat treatment, 24 hours cooling in the oven, 8 meters gantry milling, to ensure 20 years' working life without deformation. It 's suitable for thin mild steel/ stainless steel, galvanized steel (0.5-2.0mm), acr

Foshan Beyond Laser Technology Co.,Ltd      [2013-12-30 09:45:51 ]

Luxury Wedding Tent

Size information 1)Tent Clear-Span Width 30m 2)Eave Height 4m 3)Ridge Height 8.8m 4)Roof Pitch 18° 5)Bay Distance 5m 6)Maximum Tent Length No Limited Frame material 1) Framework material hard pressed extruded aluminum alloy 6061/T6. 2)Sizes of cross section of main profile 256

Guangxi Nanning Safe Tent Co.,Ltd      [2013-12-30 08:40:33 ]

Luxury Auto Show Tent

Size information 1)Tent Clear-Span Width 12m 2)Eave Height 3m 3)Ridge Height 5.2m 4)Roof Pitch 18° 5)Bay Distance 5m 6)Maximum Tent Length No Limited Frame material 1) Framework material hard pressed extruded aluminum alloy 6061/T6. 2)Sizes of cross section of main profile 121

Guangxi Nanning Safe Tent Co.,Ltd      [2013-12-30 08:28:57 ]

Long Applique Pleated Beading Chiffon Evening Dresses JL1269

Fabric Chiffon Technics Applique Pleated Beading Color As shown in the picture,several colors provide US Size #2—#28 MOQ 10pcs per color for one style About the size We can make the dress according your size chart or used our factory size chart. Delivery detail The lead time

http://www.weilifashion.com      [2013-12-28 09:10:45 ]

Long Applique Pleated Chiffon Evening Dresses WL1028

Fabric Chiffon Technics Applique Pleated Color As shown in the picture,several colors provide US Size #2—#28 MOQ 10pcs per color for one style About the size We can make the dress according your size chart or used our factory size chart. Delivery detail The lead time is depen

http://www.weilifashion.com      [2013-12-28 09:09:39 ]

Long Beading Pleated Applique Chiffon Evening Dresses JL1321

Fabric Chiffon Technics Beading+Pleated+Applique Color As shown in the picture,several colors provide US Size #2—#28 MOQ 10pcs per color for one style About the size We can make the dress according your size chart or used our factory size chart. Delivery detail The lead time

http://www.weilifashion.com      [2013-12-28 09:07:28 ]