Tangent Theta

3-15x50mm Professional

$6,215.00 - $6,841.00
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The Tangent Theta TT315P Professional Series is a purpose built tactical riflescope designed to withstand harsh use in adverse conditions in order to accomplish the mission. The TT315P is the latest product from Tangent Theta that offers the long range shooter unfailing ruggedness, mechanical precision and unsurpassed image quality.

Through the use of high quality glass and lens coating, the TT315P provides exceptional image quality and light transmission as well as providing innovative features such as the Tangent Theta Tool-Less Re-zeroing System, Articulating Lens Covers, and Integrated Parallax and Illumination Knob. The large internal adjustment range allows the scope to be effectively used on a wide variety of platforms while the 0.1 mrad clicks makes trajectory corrections a snap when used in combination with Tangent Theta (Gen 2 mil-dot, Horus Tremor3, Gen 3 XR) or with MOA models 1/4 MOA per click ( MOA Calibrated Reticle).

The Tool-Less Re-zeroing System eliminates the need for wrenches and other tools, truly a tool-less system to re-zero the elevation and windage knobs.

TheTenebraex Articulating Lens Covers can be rotated 360° and set to open according to the user's preferences, flipped back 270° to reduce the profile of the scope and improve visibility of the knobs while in a shooting position.

The Integrated Illumination/Parallax Adjustment provides more ring mounting space. The pull out illumination knob has 11 intensity settings with a power-down between each numbered setting and a six-hour auto shut off.

28 mrad Double Turn knobs are standard on the Tangent Theta TT315P; 3-15X50 and provide 0.1 mrad click per hash mark, as well as the MTC (more tactile click) option. The double turn knob also features a revolution indicator that provides the operator a visual and tactile reference of location in the travel range. The revolution indicator automatically extends when transitioning into the second revolution.

Made in Canada

Tangent Theta tactical scopes are built in Canada and are specifically designed and function-tested for long lifecycles in the harshest of environmental conditions. The company has assembled a highly experienced development team consisting of optical designers, mechanical designers, engineers and international-class long range marksmen. The end result is a series of superior scopes that are beyond reproach in all aspects of design, utility, and service performance.

Spec SheetTangent Ø Theta 3-15x50mm Spec Sheet ...
MIL ExplainedWhat is Mil and how to transition

Product Features:
  1. Tangent Theta TT315P Part Description50mm objective lens
  2. 34mm main tube
  3. Eleven reticle illumination settings
  4. Side parallax adjustment
  5. Tool-less re-zero feature (patent pending)
  6. Non-translating knobs with elevation zero-stop
  7. Double-turn elevation with rev indicator
  8. 3-15x magnification range
  9. Lockable rapid adjusting diopter
Magnification 3x-15x
Length 356mm
Width 103mm
Height 82mm
Weight 1025g
Tube diameter 34mm
Objective bell diameter 57mm
Objective lens diameter 50mm nominal
Eyepiece diameter 45mm
Reticle options Gen 2, Gen 2XR, MoA
Field of View @ 3x 7.3 degrees (12.8m @ 100m)
Field of View @ 15x 1.6 degrees (2.8m @ 100m)
Diopter range -3 to +2.5
Eye relief 90mm
Exit pupil @ 3x 11.5mm
Exit pupil @ 15x 3.5mm
Re-zero mechanism tool-less re-zero (patent pending)
Total Adjustment Range  
Elevation 34 mrad (117 MoA)
Windage +/- 8 mrad (+/- 27 MoA)
Working Adjustment Range  
Elevation 28 mrad /96 MoA
Windage +/- 6 mrad (+/- 20.5 MoA)
Adjustment resolution 0.1 mrad or 1/4 MoA
Parallax adjustment range 50m to infinity
Crosshair illumination LED, 11 settings
Battery type DL2032 3v lithium
Exterior finish Type II Anodized, matte
Waterproof: 4 hours @ 10 meters
Shockproof: 700g’s @ 10,000 cycles
Standard accessories Tenebraex® lens covers & ARD
Manufacturer Warranty