![72mm ND2-400 (9 Stops) Variable ND Filter Neutral Density Adjustable Filter for Canon Nikon DSLR Cameras - KENTFAITH 72mm ND2-400 (9 Stops) Variable ND Filter Neutral Density Adjustable Filter for Canon Nikon DSLR Cameras - KENTFAITH](https://img.kentfaith.com/cache/catalog/products/us/SKU0129/SKU0129-1-518x518.jpg)
72mm ND2-400 (9 Stops) Variable ND Filter Neutral Density Adjustable Filter for Canon Nikon DSLR Cameras - KENTFAITH
![Amazon.com : K&F Concept 58mm Variable ND2-ND400 ND Lens Filter (1-9 Stops) for Camera Lens, Adjustable Neutral Density Filter with Microfiber Cleaning Cloth (B-Series) : Electronics Amazon.com : K&F Concept 58mm Variable ND2-ND400 ND Lens Filter (1-9 Stops) for Camera Lens, Adjustable Neutral Density Filter with Microfiber Cleaning Cloth (B-Series) : Electronics](https://m.media-amazon.com/images/I/61N3js8PnOL.jpg)
Amazon.com : K&F Concept 58mm Variable ND2-ND400 ND Lens Filter (1-9 Stops) for Camera Lens, Adjustable Neutral Density Filter with Microfiber Cleaning Cloth (B-Series) : Electronics
![77mm ND2-32 (1-5 Stop) Variable ND Filter and CPL Circular Polarizing Filter for Camera Lens - KENTFAITH 77mm ND2-32 (1-5 Stop) Variable ND Filter and CPL Circular Polarizing Filter for Camera Lens - KENTFAITH](https://img.kentfaith.com/cache/catalog/products/us/KF01.1088/KF01.1088-1-518x518.jpg)
77mm ND2-32 (1-5 Stop) Variable ND Filter and CPL Circular Polarizing Filter for Camera Lens - KENTFAITH
![For Compactness and Ruggedness, Linear Variable Filters Fit the Bill | Features | Sep 2016 | Photonics Spectra For Compactness and Ruggedness, Linear Variable Filters Fit the Bill | Features | Sep 2016 | Photonics Spectra](https://www.photonics.com/images/Web/Articles/2016/7/29/thumbnail_60941.jpg)