H&Y Filters HD EVO-Series Magnetic Variable ND3-1000+CPL Filter Kit - 82mm Avea 8 End Pockets You can attach the Delta

You can attach the Delta to the following bags:

Enhances the visibility of astronomical objects

This 77mm Slim Adapter Ring for 100mm K-Series Filter Holder from H&Y Filters is an aluminium adapter ring that allows the K-Series 100 Magnetic Filter Holder to be attached to a lens with a 77mm front filter thread

Sold as a replacement part for Jobo Mistral 3 Drying Cabinet Kits

It also comes with a black carry bag

H&Y Filters HD EVO-Series Magnetic Variable ND3-1000+CPL Filter Kit - 82mm Avea 8 End Pockets You can attach the DeltaH&Y Filters HD EVO Series Magnetic Variable ND3 1000+CPL Filter Kit 82mm Key Features Variable ND3 1000 & CPL Filter Variable Neutral Density & Circular Polarising Filter Magnetic Adapter Ring and Lens Cap Dual Mount Design Aluminum Filter Ring Multicoated Optical Glass Front and Rear Threading Screw In & Magnetic Attachment This HD EVO Series Magnetic Variable ND3 1000 & CPL Filter Kit from H&Y Filters includes an 82mm variable ND3 1000 and CPL