178mm Aero Ektar Flip-Over Filter Box for 100mm² (4"²) filters. Use this to hold neutral density filter so you can run your AE wide open in bright sun. its forward pass through slot you also allows the use of 100x150 gradient filter.
Features:- Installs in seconds
- 2 filter slots
- Flips out of the way when focusing
- Accepts all 100mm² and 100x150mm Cokin, Lee and similar filters
- Lens cap included
- Swing-down ejector to remove the filter in the non-passthrough position
*Camera, Lens and Lens Board not included.
Like all 20thCenturyCamera products, no modifications to your camera are needed and everything 20thCenturyCamera makes is precision design using state of the art tools. A little 21st century technology for your 20th Century Camera.