产品详细内容
产品型号: 61-6950-30
产品品牌: SIGMAKOKI CO., LTD.
功能
- Surface quality is one rank lower than that of Spherical Convex Lens (SLB-P).
- Can be used for optical systems that do not require high surface quality, such as lighting or observation applications.
- Other than surface quality, the specifications are almost the same as the Spherical Convex Lens (SLB-P).
- I recommend this lens unless you want to use it for high-precision experiments with lasers.
- A plano-convex lens with low spherical aberration.
- In addition to the no-coat product, three types of lenses with anti-reflection film are available in the visible, near-infrared and infrared ranges.
- * Spherical plano-convex lenses have chromatic aberration, and the focal length depends on the wavelength.
- * Plano-convex lenses allow light to enter.
- * Be sure to allow parallel light to enter from the convex side.
- * Doing the reverse operation will cause the spherical aberration to increase, which can cause the focus spot to increase and can cause blurred images.
- * The transmittance of the uncoated product is about 90% due to the loss caused by the reflection of the front and back of the lens.
规格
- [>合理的球面凸透镜< 通用规格]
- 材质:BK7
- 设计波长:546.1nm
- 折射率:n e=1.519
- 偏心率:<3英寸
- 涂层:无涂层
- 有效直径:外径的90%
- Scratch-dig:60-40
- 【个别规格】
- 防反射膜涂层波长区域:无涂层
- 外径φD:φ6mm
- 焦距f:8公厘
- 边缘厚度te:1公厘
- 中心厚度tc:2.3公厘
- 后焦距fb:6.5公厘
- 曲率半径r:4.15mm
- 符合RoHS标准的产品
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