M42-AI M42 Thread Lens to AI Mount Metal Adapter Stepping Ring

The M42-AI M42 Thread Lens to AI Mount Metal Adapter Stepping Ring is a lens adapter that allows M42 lenses to be mounted on Nikon cameras. It enables manual diaphragm control and macro photography capabilities.

• Material: High-quality metal
• Durable construction
• Allows lens to function as a macro lens
• No ROM connection for diaphragm control
• Compatible with Nikon AF mount
• Compatible models: Nikon D5100, D3100, D3300, D90, D80, D700, D300, D3
• Requires manual diaphragm control
• Stop-down mode necessary for metering
• Supports manual mode and aperture priority mode