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 ]
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 ]
1.SMQ5021ZXX use mature Changan STAR single chassis,luxurious interior,elegant appearance,reasonalbe and broad vision. 2.Air condition may as an optional part in the cab. 3.SMQ5021ZXX use famous brand high-quality petrol engine,powerful,low speed high torque,especially suit for h
Henan Benma Co.,Ltd [2014-01-03 03:22:09 ]
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 ]
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 surfaces
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [2014-01-03 03:18:27 ]
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 scopes,
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [2014-01-03 03:16:32 ]
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. It
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [2014-01-03 03:12:57 ]
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 thro
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [2014-01-03 03:09:38 ]
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 offers
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [2014-01-03 03:07:53 ]
1.Hexagonal section form cargo boom use hexagonal section form,making boom posses strong carrying capacity,big lateral rigidity,small end deflection Meanwhile, HG70 high strength steel plate were used to relieve weight of cargo boom and enhance working stability. 2 . We use stret
Henan Benma Co.,Ltd [2014-01-03 02:19:04 ]
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 ]
1. ISUZU underpan were used in this truck and its diesel engine reachs China 4 th emissions standard. 2. arrangement form middle 4 sweep plates +middle V type water spray stand(left/right sprayer nozzles may be independent controled )+suction nozzles . 3. Working mode ① plates
Henan Benma Co.,Ltd [2014-01-03 01:48:36 ]
1. Senyuan refuse transfer vehicle have steamline appearance,both bodywork and wagon box are made up of high strength GRP, making it beautiful,strong and corrosion resisting. 2.EPS technology was used in this vehicle ,making drive flexible and light. 3.Senyuan refuse transfer veh
Henan Benma Co.,Ltd [2014-01-03 01:30:34 ]
We supply excellent quality and competitive Automatic container plates welding machine to our customers around the world. (web www-dot-jinanjili-dot-com, emai jilimachine-at-gmail-dot-com). This machine is used for straight seam welding of container plates, automobile plates and
Jinan Geely Welding Equipment Co., Ltd. [2014-01-02 04:12:07 ]
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 ]
