swarovski 65mm objective, are they all HD?

In the X series there is no HD non HD designation. They are considered HD.

The X series (ATX/STX/BTX) features the SWAROVISION technology.

This consists of
  • Field Flattener lenses, which provide unprecedented peripheral definition
  • fluoride-containing HD lenses that reduce color fringing to a minimum
  • optimized coatings for maximum color fidelity
  • large eye relief for 100 % field of view, also when wearing glasses
Differences between ATS/STS and ATX/STX
 
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