alpha:b* - Manufacturers, Suppliers & Exporters
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 ]
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 ]
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 incline
Jilin Tianhua Opto-electrical Technology Development Co., Ltd. [2014-01-03 03:24:47 ]
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 ]
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 ]
小卷花线是用来创建装饰线框，花束或插花 小卷花线，广泛应用于制作的文化项目，工艺美术品，它也可用于圣诞树，并在美国和欧洲国家的插花装饰。 线材即可光亮铁丝，不锈钢丝，铁丝，电镀锌丝，涂
Blumendraht Floral Wire Factory. [2013-12-31 02:51:28 ]
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 ]
Floral wire, florist wire and floral stem wire Floral wire, also called florist wire, is an indispensable tool in creating floral arrangements and bouquets. It is ideal for such Bouquets, wreaths and garlands. Especially in the fall and Christmas season can conjure up beautiful f
Blumendraht Floral Wire Factory. [2013-12-31 02:44:48 ]
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 ]
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 ]
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 ]
Fabric Net Technics 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 is depend on
http://www.weilifashion.com [2013-12-28 09:14:41 ]
Fabric Net Technics 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 is depend on the quan
http://www.weilifashion.com [2013-12-28 07:59:38 ]
Fabric Organza Technics Beading,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 depend
http://www.weilifashion.com [2013-12-28 07:51:12 ]
Fabric Sequin fabric Technics Beading+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 is
http://www.weilifashion.com [2013-12-28 07:49:49 ]
Fabric Satin 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 is
http://www.weilifashion.com [2013-12-28 07:42:53 ]
Fabric Crystal hemp fabrics Technics 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 t
http://www.weilifashion.com [2013-12-28 07:40:52 ]
Fabric Net Technics 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 is depend on
http://www.weilifashion.com [2013-12-28 04:51:07 ]
Factoy Price Waterproof Security High Quality IR Night Vison ONVIF H.264 Waterproof IP IR Full HD China CCTV Camera Main Features 1. Auto exposure, Auto White Balance 2. IR-CUT dual-filter switch , realize day-and-night control ,color cast 3. Using advanced H.264 HP Video Compres
Zhengzhou Great Electronic Tech Co., Ltd. [2013-12-26 08:18:36 ]
