产品详细内容
产品型号: 61-6947-96
产品品牌: SIGMAKOKI CO., LTD.
功能
- By creating a tiny dot pattern of an aluminum deposited film and changing the area ratio of the dot pattern, a transmittance distribution is created in the filter.
- Use to adjust the amount of light.
- With an AR coat on the back, a high transmittance of 98% can be obtained at maximum transmission.
- Transmittance varies in proportion to the amount of rotation.
- (Transmittance Variable Area) * This ND filter cannot be used for laser light.
- * Use under white or LED light.
- * If a filter is inserted at a position that is confocal with the observed object, the dot pattern of the filter may cause it to project.
- * Be careful when placing the dot pattern on the filter so that the image does not form.
规格
- 【>反射型可变ND滤镜 (铝型) 】 < 通用规格]
- 材质:BK7或白板
- 双面:光学抛光面
- 平行程度:<3英寸
- 自适应波长:400 -700 nm
- 发生角度:0度
- 涂层:AL+保护膜 (背面多层反射保护膜) ，0-45度:T=0%， 45 -315度:可变区域， 315 -360度:T≈98%
- 有效面积:φ30mm<，φ80mm
- 【个别规格】
- 产品名称:反射型变量型ND滤镜 (铝型)
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