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Best 2x extender Komura Vivitar or Kenko

rogerxnz

Member
Does anyone know whether any of the Komura, Vivitar or Kenko (or any of the other third-party models (Rokunar?)) 2x extenders are better than the others?

Are they all made by the same company and just have different labels?
Roger
 

passal

New Member
Hi,
I found interresting tests and comments at
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page 9 is about Komura teleconverter. I do have one and I am still testing with a F/4 150mm. So far results are quite acceptable even though less sharp then what I get with the 150mm alone.
I got my used Komura for 100Euro, prices sometimes fly up, I recently found a used one for 320euros.
Cheers
Pascal
 
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