Delta Titanium HD 2.5-15x50 SF 4A S is a versatile hunting riflescope that combines a relatively low 2.5x bottom-end magnification with 15x top-end magnification and a 50 mm objective. It suits mobile hunters who want a slimmer package than a 56 mm scope without giving up adjustable parallax or an illuminated hunting reticle.
The 4A S reticle is located in the second focal plane and has an illuminated centre point. The traditional 4A design keeps the sight picture clean, while the illuminated point helps with aiming in low light or against a dark target without illuminating more of the reticle than necessary.
Field of view is 14.4 m / 100 m at 2.5x and 2.5 m / 100 m at 15x. Eye relief is approximately 98-99 mm. The 50 mm objective provides a useful compromise between low-light performance and overall physical size.
The side parallax adjustment operates from 15 metres to infinity. The adjustment turrets are low-profile and capped, one click equals 0.25 MOA, and total elevation and windage travel are both 50 MOA. The main tube is 30 mm.
The scope is 370 mm long and the manufacturer's current specified weight is approximately 740 g. The body is nitrogen-filled and waterproof, and the manufacturer specifies impact resistance up to 6500 J. A CR2032 battery powers the illumination.
Delta Titanium HD 2.5-15x50 is a very practical general-purpose hunting scope. The 2.5x lower end suits normal hunting situations, 15x provides extra precision at longer distances, and the 50 mm objective keeps the package slimmer than 56 mm models.
Product text updated 9.10.2026.
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