Tangent Theta 3-15x50 Model TT315P

• 3-15x magnification range: Covers a wide span from close-to-mid-distance observation to precise shot placement at extended range, making the scope practical for tactical work, field matches, and hunting where distances can change quickly.
• First focal plane illuminated reticle: The reticle stays proportional through the zoom range, so holdovers and ranging remain consistent at any magnification, while red illumination helps the aiming point stand out against dark targets and complex backgrounds.
• Double-turn tactical elevation turret with zero stop: The 14 mrad-per-turn layout gives fast elevation travel for longer shots, and the zero stop makes it easy to return to the original zero without hesitation under pressure.
• 50 mm objective with fully multicoated lenses: This combination supports a bright, high-contrast image and useful low-light performance, helping the shooter read terrain, spot impacts, and resolve detail when light is poor.
• 34 mm tube and rugged sealed construction: The large tube provides generous adjustment range, while the waterproof, fogproof, shockproof, nitrogen-filled build is suited to hard field use in changing weather and demanding recoil conditions.

About the Tangent Theta Professional Marksman Series

The Tangent Theta Professional Marksman series is built around the needs of shooters who require a compact but highly capable precision riflescope for real field use. In this family, the emphasis is on professional marksman applications, reduced bulk compared with larger long-range optics, and a mechanical layout that supports fast, repeatable adjustments. The series is manufactured in Halifax, Nova Scotia, Canada, and is positioned for police and security marksmen as well as serious civilian precision shooters who want dependable tracking and a practical magnification range.

A defining trait of the series is its focus on control and consistency. Tangent Theta pairs a double-turn elevation turret with an elevation zero stop and non-translating knob design, so the shooter can dial confidently without adding unnecessary visual clutter or movement. Side parallax adjustment, illuminated reticle options, and a rapid-adjusting diopter system further support fast setup and precise aiming in changing conditions. In use, the Professional Marksman concept is about balancing portability, optical clarity, and exact adjustment behavior in a scope that remains adaptable across duty, competition, and hunting roles.

About the Tangent Theta 3-15x50 Model TT315P

The Tangent Theta 3-15x50 Model TT315P is a variable-power tactical riflescope that combines a versatile 3-15x magnification range with a 50.00 mm objective lens, giving it the flexibility to move between wider observation at low power and more exact target work at higher magnification. That makes it well suited to precision shooting where target distance, shooting position, and time available can all change from one stage or engagement to the next. The field of view spans from 12.80 m/100m down to 2.80 m/100m, so the scope can support both faster target acquisition and more deliberate shot placement.

The first focal plane reticle is especially important in a scope intended for tactical and precision use because subtensions remain correct throughout the zoom range. In practice, that means holdovers, corrections, and ranging references stay usable whether the shooter is working at 3x, 15x, or anywhere in between. Red illumination helps keep the reticle visible against dark backgrounds, though this is not configured as a daylight-bright system. A fixed 90.00 mm eye relief also contributes to a stable shooting position across the magnification range.

Mechanically, the TT315P is built around a 34 mm tube with 34.00 mrad elevation adjustment and 16.00 mrad of windage travel. Its tactical turret system uses a double-turn layout with 14 mrad per turn and a zero stop, which is a practical arrangement for shooters who dial regularly and need a quick, certain return to zero. Side focus parallax adjustment from 50 m to infinity helps sharpen the target image and reduce aiming error at varying distances, while the waterproof, fogproof, shockproof, nitrogen-filled construction supports reliable use in harsh weather and demanding 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 builds its products in Halifax, reflecting a specialized approach rather than a broad sporting-optics catalog. Its lineup includes 3-15x, 5-25x, and 7-35x models, showing a clear concentration on precision shooting applications from intermediate to extended range.

Tangent Theta scopes are intended for professional marksmen, competitive shooters, recreational hunters, and recreational shooters, with design priorities centered on repeatable mechanical adjustment and practical field use. The brand is distributed internationally by Armament Technology Incorporated, and it has developed a reputation around purpose-built tactical optics rather than general consumer models. For shooters considering a premium tactical riflescope, Tangent Theta is known for keeping its attention on precision-oriented design and manufacturing in Canada.

Main Features

• Magnification: 3.00 x - 15.00 x
• Objective lens diameter: 50.00 mm
• Main tube diameter: 34 mm
• Reticle position: 1. focal plane - FFP
• Reticle illumination: Yes, red
• Turret type: Tactical
• Zero stop: Yes
• Elevation adjustment range: 34.00 mrad / 117.00 MOA
• Windage adjustment range: 16.00 mrad / 55.00 MOA
• Elevation per turn: 14 mrad
• Turret turns: DT - Double Turn
• Turret rotation direction: CCW
• Eye relief: 90.00 mm
• Field of view: 12.80 m/100m - 2.80 m/100m
• Parallax adjustment: Yes - side focus
• Parallax range: 50 m - inf.
• Lens coating: Fully Multicoated
• Diopter range: - 3.0 / + 2.5 dpt
• Length: 347.00 mm
• Weight: 1030.00 g
• Housing fill: Nitrogen
• Waterproof: Yes
• Fogproof: Yes
• Shockproof: Yes
• Made in: Canada

Warranty

10 years. The Tangent Theta 3-15x50 Model TT315P is covered by a ten-year warranty period.