The Pentacon Six mount is also known as the Praktisix mount, the name it carried before the camera was renamed. Lenses listed here fit Pentacon Six and Praktisix bodies, and, with an adapter, Kiev 60 and Exakta 66 bodies as well.

These 5 Pentacon Six lenses are rated for infrared photography from real-world tests by IR photographers. Ratings are Good (5 lenses), Maybe (0 lenses), Bad (0 lenses), and Unknown (0 lenses) for hot spots, the bright spot some lenses leave in the center of an infrared image, and follow the thresholds below.

IR Focal
Length		 Minimum
Aperture		 Lens Filter Weight Notes Images
Good 30mm ƒ/3.5 Zodiak-8 30mm F3.5
 ⌀38mm (rear) 1,100 g Almost no hot spot  
Good 50mm ƒ/4 Carl Zeiss Jena MC Flektogon 50mm F4
 ⌀86mm 630 g No hot spot  
Good 80mm ƒ/2.8 Carl Zeiss Jena Biometar 80mm F2.8
 ⌀58mm 282 g No hot spot  
Good 80mm ƒ/2.8 Schneider-Kreuznach Xenotar 80mm F2.8 MC
 ⌀67mm 500 g No hot spot  
Good 180mm ƒ/2.8 Carl Zeiss Jena Sonnar 180mm F2.8
 ⌀86mm 1,350 g No hot spot  

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What the ratings mean. Hot spots usually appear as you increase the lens ƒ-number, so each rating depends on the lowest ƒ-stop where a hot spot shows and how severe it is, and the thresholds differ by sensor format.

  • Good: No hot spots, or one that starts at ƒ/11 or higher where diffraction impacts image sharpness.
  • Maybe: Contains a mild hot spot that starts at ƒ/5.6 or ƒ/8 and is correctable in editing.
  • Bad: A hot spot that starts at ƒ/4 or lower, or is hard to correct in editing.
  • Unknown: No data reported.

How reports are checked and rated

Pentacon Six Lens Mount Adapters

Use an adapter to mount these lenses to many mirrorless cameras.

B&H - Pentacon Six lens mount adapters

Adorama - Pentacon Six lens mount adapters