Asahi Pentax Variable Close-up Ring (Helicoid Extension Tube)

Honeywell H3v with Asahi Pentax Variable Close-up Ring

 

Asahi Pentax Helicoid Extension Tube
 

Honeywell H3v with Asahi Pentax Variable Close-up Ring Honeywell H3v with Asahi Pentax Variable Close-up Ring

 
Asahi Pentax Helicoid Extension Tube Catalog Image

Like the lens helicoid, the new Asahi Pentax Helicoid Extension Tube extends from 16.8mm to 30.6mm. It serves the purposes of the Asahi Pentax Extension Tubes #2 and #3. Mounted between an Asahi Pentax and a 55mm lens, it permits photography at a magnification from 0.30x to 0.7x. It is extremely versatile variable extension ring.
 
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Download the Takumar Interchangeable
Lenses Operating Manual PDF
 

Spotmatic Owners Manual

Download the Manual - Asahi Pentax Spotmatic Manual - November 1969
Manual

 

Asahi Pentax Helicoid Extension Tube - Click to EnlargeAsahi Pentax Helicoid Extension Tube - Click to Enlarge
 
 
 
Asahi Pentax Helicoid Extension Tube
 
Asahi Pentax Helicoid Extension Tube
 
Asahi Pentax Helicoid Extension Tube - Click to EnlargeAsahi Pentax Helicoid Extension Tube - Click to Enlarge
 
Asahi Pentax Helicoid Extension Tube on Honeywell Pentax Spotmatic and 50mm f/1.4 - Click to EnlargeAsahi Pentax Helicoid Extension Tube on Honeywell Pentax Spotmatic and 50mm f/1.4 - Click to Enlarge
 

Spotmatic Owners Manual

Download the Manual - Asahi Pentax Spotmatic Manual - November 1969
Manual

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