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 ]
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 ]
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 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 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 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 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 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 ]
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 ...
Henan Benma Co.,Ltd [Transportation] [Special Transportation] [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 ...
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [Measurement & Analysis Instruments] [Optical Instruments] [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 ...
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [Measurement & Analysis Instruments] [Optical Instruments] [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 ...
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [Measurement & Analysis Instruments] [Optical Instruments] [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. ...
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [Measurement & Analysis Instruments] [Optical Instruments] [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 ...
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [Measurement & Analysis Instruments] [Optical Instruments] [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 ...
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [Measurement & Analysis Instruments] [Optical Instruments] [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 ...
Henan Benma Co.,Ltd [Transportation] [Special Transportation] [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 ...
Henan Benma Co.,Ltd [Transportation] [Special Transportation] [2014-01-03 01:58:09 ]
1. ISUZU underpan were used in this truck and its diesel engine reachs China 4th 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: ①plates ...
Henan Benma Co.,Ltd [Transportation] [Special Transportation] [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 ...
Henan Benma Co.,Ltd [Transportation] [Truck] [2014-01-03 01:30:34 ]
Product features: 1. Hydraulic power,double-cyliner-driven,easy electricy-controlled operation; 2. Hydraulic system with automatic locking device, components of hydraulic system adopt well-known foreign product 3. The faceplate is made of full piece of steel sheet so it is firm ...
[General Industrial Equipment] [Material Handling Equipment] [2014-01-02 10:17:08 ]
