View Single Post

Old 10-19-2019   #20
ph.
Registered User
 
ph. is offline
Join Date: Sep 2014
Posts: 90
Lots of additional confusion might stem from naming conventions. Zeiss has several well regarded and established trademarks. Example: Tessar and Sonnar, so they keep these names for different constructions even if the innards are totally different from the original patents.

p,
  Reply With Quote