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Pentax Helicoid Extension Tube

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* Item pictured for illustrative purposes only, actual item not pictured.

KEH Specifications

  • Function:  Increases the distance between the camera and the lens, thus allowing for closer focusing and a higher magnification ratio. Extension tube can elongate from a minimum length of 26.5mm to a maximum length of 46.5 since it has a 20mm-long helicoidal thread.
  • Lens Mount: Pentax Screwmount (M42)
  • Camera Mount: Pentax
  • Note: Viewfinder frame lines 


Physical Characteristics

Lens Mount M42 - Pentax Screw

General information

Brand Name Pentax

Technical Information

Autofocus No

Customer Reviews