Fotodiox Macro Focusing Helicoid - M42 Focusing Helicoid - 16MM to 30MM for Carl Zeiss, Pentax

Fotodiox

Description Specs Notes Product Highlights: • Premium Grade 'No Play' Adapter, Top Notch Craftsmanship, Smooth and Precise Focusing Barrel • This Helicoid tube has standard M42 mounts on both ends and is made with light-weight alloy • Useful for lenses without a focus ring and can offer fine focus control for macro photography • Helicoid movement from 16mm to 30mm, offering a total of 14mm movement for lens focusing • Limited 2-Year Manufacturer Warranty The macro function of this adapter provid