Features:Made of brass and aluminum, very durable. Contains corrective glass lens.
Suitable for Pentax K mount lenses to mount for Nikon AI F mount cameras, such as D700, D300, D3.
Only manual focus is available.
The lens mount adapter is manual so focusing will have to be preset.
Allow focusing to infinity.
Specifications:Model: PK-AI
Material: Brass and aluminum
Color: Black
Application: Bayonet type
Compatible Lens: For Pentax K mount lenses
Compatible Camera: For Nikon AI F Mount cameras
Item Weight: 76g / 2.7oz
Package Size: 7.2 * 7.1 * 3.6cm / 3.4 * 3.3 * 1.7in
Package Weight: 86g / 3oz
Package List:1 * PK-AI Lens Mount Adapter
1 * Front Lens Cap
1 * Rear Lens Cap