![digital - Why am I getting dark spots with my Singh-Ray 77mm vari-ND filter? - Photography Stack Exchange digital - Why am I getting dark spots with my Singh-Ray 77mm vari-ND filter? - Photography Stack Exchange](https://i.stack.imgur.com/L7A5F.png)
digital - Why am I getting dark spots with my Singh-Ray 77mm vari-ND filter? - Photography Stack Exchange
![File:Testing ND Filters Heliopan Tiffen Singh-Ray Genus Polariod Lightcraft (8245433332).jpg - Wikimedia Commons File:Testing ND Filters Heliopan Tiffen Singh-Ray Genus Polariod Lightcraft (8245433332).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/9/96/Testing_ND_Filters_Heliopan_Tiffen_Singh-Ray_Genus_Polariod_Lightcraft_%288245433332%29.jpg/2560px-Testing_ND_Filters_Heliopan_Tiffen_Singh-Ray_Genus_Polariod_Lightcraft_%288245433332%29.jpg)
File:Testing ND Filters Heliopan Tiffen Singh-Ray Genus Polariod Lightcraft (8245433332).jpg - Wikimedia Commons
![Buy SIOTI 100mm Square Z Series Aluminum Modular Filter Holder + 58mm-62mm Aluminum Adapter Ring for Lee Hitech Singh-Ray Cokin Z PRO 4X4 4x5 4X5.65 Filter(58mm) Online in Italy. B07WYG1FJX Buy SIOTI 100mm Square Z Series Aluminum Modular Filter Holder + 58mm-62mm Aluminum Adapter Ring for Lee Hitech Singh-Ray Cokin Z PRO 4X4 4x5 4X5.65 Filter(58mm) Online in Italy. B07WYG1FJX](https://www.ubuy.co.it/productimg/?image=aHR0cHM6Ly9tLm1lZGlhLWFtYXpvbi5jb20vaW1hZ2VzL0kvNTFpYzNMMmc3TUwuX0FDX1NMMTAwMF8uanBn.jpg)
Buy SIOTI 100mm Square Z Series Aluminum Modular Filter Holder + 58mm-62mm Aluminum Adapter Ring for Lee Hitech Singh-Ray Cokin Z PRO 4X4 4x5 4X5.65 Filter(58mm) Online in Italy. B07WYG1FJX
![Fstoppers Reviews The Singh-Ray Variable Neutral Density Filter: A Must For Any Landscape Photographer | Fstoppers Fstoppers Reviews The Singh-Ray Variable Neutral Density Filter: A Must For Any Landscape Photographer | Fstoppers](https://cdn.fstoppers.com/wp-content/uploads/2012/10/singh-ray-unedited-vignette-01-1.jpg)