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凹面反射镜:-教育设备"物理学设备 凹面反射镜:-教育设备"物理学设备"凹面反射镜
凹面反射镜–物理学光学设备
一个凹面反射镜,或聚光反射镜,有一的反射表面那个隆起的向内(距离射光)。 凹面镜反射光线内的一个焦点。 它们被用于聚焦光线。 反射镜是非常切片,光真正的(喷漆在后面)有一个美丽的戒指在其外表面)。
直径的焦距
50mm10
车领导的镜头 360 Promises---Best quality,best service,best price!---Long businessQuality As the good quality of our products, it's almost less than 1% defective r
汽车火儿是)led光源/转过轻/领导泡/领导的视镜头 1.product name:large high power 2.Lamp socket:s25-1156/1157 T20 7440/7443/3156/3157 3.Available Voltage:12VDC 4.Color:red,yello,bule,green,white are
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放大镜(木柄):-教育设备"光学仪器 放大镜(木柄):-教育设备"光学仪器"的放大镜"放大镜(木柄)
放大镜(胶木处理)的物理学光学仪器
这些手持木柄放大镜球面具有双凸玻璃透镜的安装在镀铬的铜环的金属的旋钮和木柄看起来非常有吸引力,并专门制造的用于出口的目的。
直径的焦距
75毫米的20 100厘米
100mm20-100厘
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同轴双目显微镜:显微镜 同轴双目显微镜:显微镜"显微镜"同轴双目显微镜
同轴双目显微镜的科学设备
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1.3MP USB Educational digital Microscope MDA1300R is composed of lighting system, optics system, sensor-IC system and software, including parts of standing base, focusing wheel, digital modu
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5.0MP Educational Digital Microscope A new digital microscope made by yourself when inserting digital eyepiece into eyepiece tube to replace the ocular eyepiece of microscope. All featur
1.3MP USB Educational digital Microscope MDA1300R is composed of lighting system, optics system, sensor-IC system and software, including parts of standing base, focusing wheel, digital modu
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ceramic aroma Mini night light ceramic night lamp Operation Instructions: 1.Adding water into the groove above of the Litttle Night-light of Essential Oil to 80%,then add 3-6drops of essential oil in
ceramic aroma Mini night light ceramic night lamp Operation Instructions: 1.Adding water into the groove above of the Litttle Night-light of Essential Oil to 80%,then add 3-6drops of essential oil in
ceramic aroma Mini night light ceramic night lamp Operation Instructions: 1.Adding water into the groove above of the Litttle Night-light of Essential Oil to 80%,then add 3-6drops of essential oil in
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Optical Bench Set & Optical Ray Diagram Board Following experiments can be performed on this optical bench set: 1.Image formation by a convex lens and measure the focal length of a convex lens 2.
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