Made of Anodized Aluminum in Black finish with high strength. The length of this Helicoid tube is 17mm (min) to 31mm (max),it offers a total of 14mm movement distance for the lens focusing. You can use M42 screw mount lenses, such as Carl Zeiss or Pentax 42mm screw mount lenses, and even enlarger le..
Made of Anodized Aluminum in Black finish with high strength. The length of this Helicoid tube is 17mm (min) to 31mm (max),it offers a total of 14mm movement distance for the lens focusing. You can use M42 screw mount lenses, such as Carl Zeiss or Pentax 42mm screw mount lenses, and even enlarger le..
Made of Anodized Aluminum in Black finish with high strength. The length of this Helicoid tube is 17mm (min) to 31mm (max),it offers a total of 14mm movement distance for the lens focusing. You can use M42 screw mount lenses, such as Carl Zeiss or Pentax 42mm screw mount lenses, and even enlarger le..