I have three Zeiss Conquest Scopes the same>4.5-14x44 AO
One on BLR .338mag
One on Ruger 7mmRem mag
One on Ruger 6.5mm Swed
I have no complaints sofar.

Also have two Simmons 44 MAG 6.5-20x44 AO.
One on BRN A-5/ Hastings Paradox Barrel--SABOT GUN
One on MOSS 835/ RIFLED BARRRL---SABOT GUN

They seem to work for me in low light.