Nikon Close Up & Macro Accessories | Nikon Extension Tube M Non Ai

Extension Tube M Provides An Easy Way To Compose, Focus And Meter At The Brightest, Fullest Aperture Position Without Having To Manually Stop Down The Lens Before Shooting. Extension Tube M Gives 27.5Mm Extension And Is Not Meter Coupled. This Set Is Recommended For Nikon F Mount/Pre-Ai (Non-Ai) Lenses Over 55Mm. It Provides Continuous Focusing From 1:2 To 1:1 Reproduction.