Do all ATX or STX Swarovski spotting scopes have HD lenses? They do not say HD on them that I can see like my HD ATS 80.
Thanks for your inquiry. The term HD (High Definition) is a marketing term rather than a technical term referring to a specific type of glass. All the ATX and STX scopes use Swarovski's Swarovision optical system which is noticeably improved over the optics in the ATS/STS HD scopes.
Anyone using one of the new ATX/STX scopes would certainly say that they are "high definition" and regarding performance, one could safely say there is nothing better currently being made by any manufacturer.
If you have any other questions or I can help out any further, just let me know.