The Haida Rear Lens Filter kit always includes four filters, an adapter for the lens and a small Phillips screwdriver. Some Rear Lens Filter kits are suitable for multiple lenses, if this is the case, please read the description below. * Rear Lens Kits for Sigma lenses that are factory-fitted with a filter holder do not include an adapter or Phillips screwdriver.

* Rear Lens Kits for Sigma lenses that are factory-fitted with a filter holder do not include an adapter or Phillips screwdriver.