Nikon PK-12 Auto Extension Ring 14mm AI
Nikon Auto Extension Rings PK and PN fit between the camera body and lens either individually or in combination. The extension rings have no optics. The PK and PN rings are used in manual focus mode and are considered non-CPU lens attachments. The PK-12 provides 14mm of extension and is compatible with Nikon SLR lenses longer than 50mm, or with a reversed 50mm lens.
|Manual focus (only)
|Nikon F Mount Ai