FotodioX M42 Focusing Helicoid 16-30mm for Carl Zeiss/Pentax M42-M42-MACRO
$50.48
The M42 Focusing Helicoid 16-30mm for Carl Zeiss/Pentax from FotodioX is designed for Carl Zeiss and Pentax. The helicoid movement from 16-30mm offers a total of 14mm movement for lens focusing. This macro helicoid can be used with any M42 adapter on...