The FR-CV-75 provides rotational adjustment for any of Newport’s Circular Linear Variable ND Filters having a Ø7.5 mm inner diameter. The slim design minimizes blockage of the filter's clear aperture and, with its clamping thumbscrew design, it can accommodate filter thicknesses from 2 to 13 mm. This mount is unique in that it has both English (8-32) and metric (M4) post mounting threads clearly marked on its base. To prevent inadvertent rotation after adjustment, the FR-CV-75 incorporates a side-located locking screw.

• 滤光片尺寸（圆形或正方形）

  127 mm

• 最大厚度

  7.5 mm  

• 滤光片形状

  Round

• 滤光片数量

  1  

• 机制

  Thumbscrew Clamp

• 安装螺纹

  8-32 and M4

• 滤光片类型

  Neutral Density

• 滤光片直径

  127 mm

• 材料

  Anodized Aluminum

• 
  

fr - cv - 75提供旋转调整循环线性变量新港的ND滤镜Ø7.5毫米内径。超薄的设计最大限度地减少了过滤器的透明孔的堵塞，通过其夹紧拇指螺钉设计，它可以容纳2到13毫米的过滤器厚度。这个挂载是唯一的，因为它有英文(8-32)和公制(M4)后挂载线程明确标记在其基础上。为了防止在调整后的不小心旋转，FR-CV-75配置了一个侧面锁定螺钉。