Tangent Theta 3-15x50 Model TT315H

• 3-15x magnification range: Covers a wide span from closer positional work to deliberate intermediate-range shooting, so the scope stays useful on rifles that must handle both observation and precise shot placement.
• First focal plane illuminated reticle: The reticle keeps its subtensions consistent at every magnification, which helps with holdovers and ranging, while the red illumination improves reticle visibility against dark targets and complex backgrounds.
• Locking capped tactical turrets with zero stop: This layout protects settings during transport and field movement, yet still supports precise dialling when needed, with a positive return to zero after elevation changes.
• Double-turn elevation system: The double-turn design provides substantial adjustment in a compact format, making it easier to manage elevation travel for precision shooting without an oversized turret.
• 50 mm fully multicoated optical system: The larger objective and fully multicoated lenses support a bright, high-contrast image, which helps with target definition and shot correction in mixed light.

About the Tangent Theta Professional Marksman Series

The Tangent Theta Professional Marksman series is built around the needs of shooters who want a compact precision riflescope without giving up the mechanical features expected from a duty-grade optic. In the lineup, it serves as a reduced-weight professional marksman scope aimed at intermediate-range work, especially where a rifle may be carried for long periods but still needs dependable tracking and practical magnification. The series is centered on a 3-15x configuration with a nominal 50 mm objective lens, giving it a useful balance between field awareness at the low end and precise target observation at the top end.

Across the series, Tangent Theta combines non-translating knobs, an elevation zero stop, and a double-turn elevation turret to keep the controls compact and repeatable. Side parallax adjustment supports sharper focus at varying distances, while illuminated reticle options such as Gen 2 XR, Gen 2 Mildot, Gen 3 XR, and MOA-ER make the series adaptable to different precision-shooting preferences. A lockable rapid-adjusting diopter further reflects the design philosophy: practical field handling, stable settings, and a layout intended for professional marksmen, competitive shooters, and serious recreational users who value exact mechanical operation.

About the Tangent Theta 3-15x50 Model TT315H

The Tangent Theta 3-15x50 Model TT315H is a variable-power tactical riflescope built for shooters who need one optic to bridge observation, target identification, and precise engagement at intermediate distances. Its 3.00 x to 15.00 x magnification range gives it more flexibility than a higher-minimum-power scope, making it easier to work from supported field positions, improvised barricades, or hunting-style setups where target distance can change quickly. The 50.00 mm objective lens, fully multicoated optical system, and eye relief of 90.00 mm support a bright, usable sight picture with enough head-position tolerance for stable shooting under recoil.

The scope uses a first focal plane reticle, so hold values remain true throughout the zoom range. In practice, that matters for shooters who dial sometimes and hold sometimes, because the reticle stays consistent whether the scope is set low for faster scanning or high for more exact corrections. Red illumination with daytime-usable performance helps the reticle stand out when the target background is dark, cluttered, or shaded.

Mechanically, this model is configured for disciplined precision work. Its locking capped tactical turrets reduce the chance of accidental movement, while the zero stop and double-turn elevation turret make elevation changes easier to manage and faster to reset after a shot sequence. Side focus parallax adjustment helps refine image sharpness and reticle focus at different distances, and the nitrogen-filled, waterproof, fogproof, and shockproof construction suits rifles that are carried and used in changing weather and hard field conditions.

About Tangent Theta

Tangent Theta was established in 2013 in Halifax, Nova Scotia, Canada. The company focuses on precision riflescopes for professional marksmen, and its products are manufactured at its facility in Halifax. That concentration on one product category is important: Tangent Theta is not a broad outdoor brand but a specialist maker whose lineup is built around exact tracking, durable construction, and the control layouts required for precision shooting.

The brand’s riflescopes are intended for professional marksmen, competitive shooters, recreational hunters, and recreational shooters. Its core lineup includes 3–15x, 5–25x, and 7–35x magnification classes, covering intermediate to extended-range applications. International distribution is handled by Armament Technology Incorporated. In practical terms, Tangent Theta’s reputation in this category comes from designing riflescopes specifically for users who place a premium on repeatable adjustments, robust mechanics, and field-ready precision rather than broad consumer-market variety.

Main Features

• Magnification: 3.00 x - 15.00 x
• Objective lens diameter: 50.00 mm
• Main tube diameter: 30 mm
• Reticle position: 1. focal plane - FFP
• Reticle illumination: Yes, red
• Daytime-usable illumination: Yes
• Turret type: Capped - Tactical
• Turret locking: Yes
• Zero stop: Yes
• Elevation turret: DT - Double Turn
• Turret rotation direction: CCW
• Click value: 0.250 MOA
• Elevation adjustment range: 18.40 mrad / 63.00 MOA
• Windage adjustment range: 6.00 mrad / 20.00 MOA
• Eye relief: 90.00 mm
• Field of view: 7.30 m/100m - 1.60 m/100m
• Parallax adjustment: Yes - side focus
• Parallax setting: Low profile parallax
• Exit pupil: 11.50 mm - 3.50 mm
• Lens coating: Fully Multicoated
• Length: 348.00 mm
• Weight: 765.00 g
• Housing fill: Nitrogen
• Waterproof: Yes
• Fogproof: Yes
• Shockproof: Yes
• Power supply: CR2032
• Color: Black - Matte
• Made in: Canada

Warranty

Tangent Theta 3-15x50 Model TT315H is covered by a 10-year warranty. This stated warranty period suits a precision riflescope built for regular field use and repeatable mechanical performance over the long term.