位于支架上的光学灯

Red light source giving a beam with minimal divergence, housed in a compact and sturdy aluminium body. It is based on a 650 nm class II industrial laser module with a glass collimating lens. Fitted with a 10 cm stainless steel rod. A plug-in ... 更多

Monochromatic, coherent light source for optical experiments, e.g. on diffraction, interference, and hologram reconstitution. Anodised metal housing with key switch, neutral filter for attenuating beam, 2 stand rods and power supply unit. To ... 更多

High temperature source designed to produce thermal radiation, for investigating how such radiation depends on the temperature and to confirm the Stefan-Boltzmann law. The tungsten filament represents a good approximation of a point source ... 更多

For any standard laboratory microscopes. Microscope objective for increasing beam divergence for the He-Ne laser (1003165/U21840). 更多

光学实验台和投影实验用的超亮光源。它由一个带有冷凝器的金属外壳，一个轴向光调整的可移动元件和一个带有螺旋安装的保持阀杆。包括插入式电源。 发光二极管：18伏，10瓦 电源插头：100 - 240 V交流，50 / 60赫兹 冷凝器焦距：100毫米 冷凝器直径：80 mm 轴：125毫米x 10毫米Ø 尺寸：约240x115x220毫米³ 重量：约1.5公斤 更多

Red light source giving a beam with minimal divergence, housed in a compact and sturdy aluminium body. It is based on a 650 nm class II industrial laser module with a glass collimating lens. Fitted with a 10 cm stainless steel rod. A plug-in ... 更多

High performance 532 nm green laser (doubled NdYag). The laser (safety classification II) produces green light ideally suitable for optical demonstrations, as the wavelength is in the range where the human eye has maximum sensitivity. The visibility ... 更多