Feature:1. Full manual operation, manual focusing, manual aperture adjustment.2. Can achieve manual exposure with body, aperture priority exposure, infinite distance focusing.3. No electronic contacts on the adapter ring, so not support automatic focusing.4. Made of aluminum alloy material, anodic oxidation process, fine workmanship, durable.5. Close and smooth combination with mount, convenient to install and remove lens.Specification:Condition: 100% Brand NewItem Type: Lens Adapter RingBrand: FikazModel: M42-NIKMaterial: Aluminium AlloyColor: As Pictures ShownFitment Camera: for Nikon D3000/D300s/D3100/D3200/D3300/D3400/D3s/D3x/D4/D400/D4s/D5/D500/D5000/D5100/D5200/ D5300/D5500/D5600/D5s/D6/D600/D610/D700/D7000/D7100/D7200/D750/D7500/D760/D800/D810/D810a/D850/D90 etc.Fitment Lens: for M42 Mount LensQuantity: 1PCSWeight: Approx. 28g.Package List:1 x Lens Adapter Ring