Fotodiox Macro Extension Tube Set for Pentax K (PK) Mount SLR Cameras for Extreme Close-up Photography

Fotodiox

Features: Any combination of tubes can be used for various reproduction ratios No optical insert - maintains lens optical quality while remaining lightweight Extension tubes are designed to enable a lens to focus closer than its normal set minimum focusing distance Kit Includes: Camera and Lens Mounts & 7mm, 14mm and 28mm Extension Tube Sections 24 Month Manufacturer Warranty The Fotodiox Macro Extension Tube is a wonderful substitution for the expensive macro lens. They are exceptionally useful