Both companies are from Germany.
Steiner was founded in 1947.
Zeiss was founded in 1846 .
Steiner Ranger 2-8x42 and Zeiss Conquest V4 4-16x44 are Hunting Rifle Scope and Rifle Scope for Stalking. Zeiss is also All-round Hunting Rifle Scopes, Long Range Hunting Rifle Scopes and Rifle Scopes for Mountain Hunting
Both Steiner and Zeiss make high-end optics.
Read Zeiss Conquest V4 4-16x44 Riflescope Review
Zeiss costs 1000€ and Steiner costs 999€
Steiner has 585g and Zeiss has 640g in weight.
Steiner is shorter. It has 303mm in length and Zeiss has 356mm.
Both have 30mm tube diameter.
Steiner has fixed parallax at 100m and Zeiss has adjustable (side focus) 50m to infinity.
Minimal magnification of Steiner is 2x and Zeiss is 4x. Maximal is 8x at Steiner and 16x at Zeiss.
Zeiss has maximal field of view 9.5m/100m, while Steiner has 18.3m/100m. Zeiss has minimal field of view 2.4m/100m and Steriner has 4.7m/100m.
Both have 90mm eye relief.
Both have reticle in SFP.
Zeiss has illuminated dot only with reticle 60.
central and edge sharpness
great definition of dot
field of view