2x teleconverter compatible with Z mount. - Model Name: TC-2.0x - Mount Type: Z mount - Included items: Instruction manual, box, lens cap - Lens condition: Lens mount in excellent condition - Type: Teleconverter Thank you for viewing. I purchased this new online about six months ago and used it outdoors twice. I think it's a beautiful item. It has been stored in a dehumidified storage cabinet. Thank you.