I have a Swarovski Z6 3-18x50 and that Zeiss or any Zeiss will not come close optically for clarity or low light image of the Swarovski. I have had several high end German produced Zeiss scopes and they did not even come close to the Swarovski.
Besides, the latest revelation about the Zeiss internal memo will keep me from ever owning another.
There are several options listed on Sport Optics site,
This Swarovski Z6 Rifle Scope is equipped with Special HD Optics (High Definition Lenses) for superior resolution at high magnification and maximum low light performance. Swarovski Specifications Quick Review magnification range: 3X to 18X scope weight: 21.0 ounces scope length: 15.0 inches eye...
www.sportoptics.com