Leupold was founded in 1907 in USA.
Zeiss was founded in 1846 in Germany.
Leupold VX-5HD 3-15x44 and Zeiss Conquest V4 4-16x44 are Hunting Rifle Scope and Rifle Scope for Mountain Hunting and All-round Rifle Scopes.
Both Leupold and Zeiss make high-end optics.
Read Zeiss Conquest V4 4-16x44 Riflescope Review
Zeiss costs 1000€ and Leupold costs 1349€
Leupold has 539g and Zeiss has 640g in weight.
Leupold is shorter. It has 343mm in length and Zeiss has 356mm.
Both have 30mm tube diameter.
Leupold has fixed parallax at 100m and Zeiss has adjustable (side focus) 50m to infinity.
Minimal magnification of Leupold is 3x and Zeiss is 4x. Maximal is 15x at Leupold and 16x at Zeiss.
Zeiss has maximal field of view 9.5m/100m, while Leupold has 12.7m/100m. Zeiss has minimal field of view 2.4m/100m and Leupold has 2.5m/100m.
Zeiss has 90mm eye relief and Leupold has 94mm eye relief.
Both have reticle in SFP.
Only Zeiss has illuminated dot but only with reticle 60.
Field of view
No illuminated reticle