Parametric Camera Filter Adapter
Description
I Designed This As A Way Of Adding A Neutral Density (Nd) Filter To The Front Of The P6*6 Pinhole Camera. Http://Www.Thingiverse.Com/Thing:157844 Decreasing The Amount Of Light Exposing Your Film Is A Handy Way Of Slowing Down An Exposure In Very Bright Light. A "Fast" Pinhole Exposure Might Be 1 Or 2 Seconds Long. At These Shutter Speeds, The Slight Camera Shake Induced By Opening And Closing The Shutter Can Blur The Photograph. Nd Filters Are Made In Whole "Stops". Further, Each Stop Halves The Amount Of Light Reaching The Film. An Nd2 Is One Stop, An Nd4 Is Two Stops, And An Nd8 Is Three Stops. An Nd 8 Filter Allows You To Make An Exposure Metered At 1 Sec With A Shutter Duration Of 8 Seconds. Additionally, Color Filters May Be Employed For Special Effects. The Included Stl Fits A Nominally 52Mm Filter With An Actual Outside Diameter Of 54.50Mm. Yours Are Probably Different, But You Can Simply Change The Parameters In The Script. I Plan To Port This To Customizer In The Future. This Parametric Design Can Be Adapted To Other Cameras, Like A Holga, And Any Filter Size. ___ **Attention** This Work Is Licensed Under The [Creative Commons - Attribution - Non-Commercial License](Http://Creativecommons.Org/Licenses/By-Nc/3.0/). This License Applies Only To The Files And Documents Available For Download From The **Thing Files** Section Of This Thing. **All Other Related Content (Photographs, Videos, And Verbiage Such As Contained In "Description" Or "Instructions" ) Are Excluded From This License. With All Rights Reserved, Unless Specifically Available For Download** This Notice Constitutes A Clarification, Not A Change, To Licensing For This Design.
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