This lens hood is compatible with:
- 70-300mm f4-5.6 APO Macro Super (506/5A6)
- 70-300mm f4-5.6 APO DL Super (507/5A7)
- 70-300mm f4-5.6 DG APO Macro (508)
- 70-300mm f4-5.6 DG Macro (509)
It can be easily attached to the tip of the lens and when attached, it block out extraneous light and reduces flare and ghosting.