H&Y Filters EVO-Series Magnetic Step-Up Ring 52-77mm B&W Film Chemistry It has a 67mm threading

It has a 67mm threading on the rear and front and can be screwed onto your lens

5L of working solutions can be made by diluting the stock solutions above

An easy carry top handle is reinforced with fibreglass and has leather on the underside to allow you to pick up and carry the bag with comfort

Billingham SP15 Shoulder Pad - Black Leather with Nickel Coated Studs

Design: The 200 SuperFlex Base is 290mm (11½") x 150mm (6")

H&Y Filters EVO-Series Magnetic Step-Up Ring 52-77mm B&W Film Chemistry It has a 67mm threadingH&Y Filters EVO Series Magnetic Step Up Ring 52 77mm Key Features For 77mm Screw On Filters Use 77mm Filters on 52mm Lens Corrosion Resistant Anodized Aluminium The EVO Series Magnetic Step Up Ring is an essential accessory for photographers who use lenses with different thread sizes. This step up ring allows you to use EVO filters and any other optical filters on lenses of varying diameters, ensuring compatibility and flexibility. The magnetic design