I am counting how many f2.8 lens version exist in TLR world

 

 

— Germany —

 

Rolleiflex A (Tessar f2.8 lens)

Rolleiflex B (Biometar f2.8 lens)

Rolleiflex C (Planar or Xenotar, 10 blade aperture)

Rolleiflex D (Planar or Xenotar, 5 blade aperture)

Rolleiflex E, F (Planar or Xenotar, 5 blade aperture, exposure meter)

* Tessar = 3 group 4 element, Carl Zeiss Jena? (East Germany)

* Biometar = 4 group 6 element, Carl Zeiss Jena (East Germany)

* Planar = 4 group 6 element, Carl Zeiss (West Germany)

* Xenotar = 4 group 5 element, Schneider Kreutznach (West Germany)

 

Ikoflex III (Tessar f2.8 lens, Zeiss-Opton)

 

* Tessar = 3 group 4 element, Zeiss Opton (West Germany)

 

Rollop (Ennit or Lithagon, f2.8)

* Ennit = 3 group 4 element, Enna Werks Munchen (West Germany)
* Lithagon = 4 group 6 element ?, Enna Werks Munchen (West Germany)

 

— Japan —

 

Mamiya C (Mamiya/Sekor 80mm f2.8)

 

Olympus flex (Zuiko f2.8 lens)

 

Beautiflex (Rokkor? f2.8)

* Lens supplier is unclear, futher investigated.  

 

 

 

 

Well…so far this is it!

Surprise, isn’t it? There was over 300 manufacturer in TLR world in its hey day.

But only handful of variations…pretty much disappointing. In short, they are all look the same and works the same,

with similar or lower quality spec than Rollei.

How come, such a singularity possible in such fiercely competing business area?

 

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