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Tangent Theta 5-25x56mm Gen 2XR Riflescope 800100-0001

SKU 800100-0001

Gen 2XR Reticle - 34mm Tube

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Tangent Theta 5-25x56mm model TT525P Rifle Telescope is an extreme-range precision sighting instrument for professional marksmen. Designed for heavy field use, Tangent Theta’s industry-leading development team has used their extensive experience to optimize and refine it for unfailing ruggedness, mechanical precision and unsurpassed image quality. Elevation and windage mechanisms exhibit precise tactile response and feature a truly tool-less re-zero procedure.

Tangent Theta Gen2 XR Reticle


  • Item ConditionNew
  • Scope Weight:40.57 oz.
  • Scope Length:16.7"
  • Magnification Range:5-25x
  • Scope Objective Diameter:56mm
  • Scope Tube Size / Mount:34mm
  • Turret Adjustment (Click Value):0.1 mrad
  • Parallax Adjustment:50 m - infinity
  • Reticle Details:Gen 2XR Reticle
  • Field of View:7.6m - 1.6m @ 100m
  • Exit Pupil:11 - 2.3 mm
  • Eye Relief:90mm
  • Illuminated Reticle:yes
  • Scope Finish:matte black
  • Scope Turret Rotation:Counter Clockwise (CCW)
  • Product TypeRiflescopes
  • UPC6665955250012
  • MPN800100-0001

Customer Reviews

Average Rating
January 3, 2018

got to use a theta 5-25x56 in Afghanistan from a dutch special boat units marksmans rifle mounted to my sig dmr in 308,this is about as good as an optic gets ,by far the best glass and rugged as a leupold,i hit 7 targets in the hindu kush region over 700 yds distant ,recorded each hit in my log book 7 less Taliban bomb makers to worry about

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August 2, 2016

The glass is amazing clear edge to edge clarity just spectacular!!!

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June 5, 2018

A friend came over with about 6 high end scopes w/ the purpose of trying out different tripod setups. After adding my scopes to the collection we had a dozen different top end scopes to compare from NF Beast to S&B 5x45 and everything in between. We both agreed none came close to the Tangent Theta. It wasn’t even close. We were thinking quality of glass at the time but now that I have had it for a while I think it is the most functional scope I have as well. The simple zero lock is just one nice feature...can’t say enough good and nothing bad...worth every penny and then some...

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May 23, 2020

Have never had an issue with it. Cannot beat the glass and turrets. Tracks perfectly. Built like a tank (even compared to Nightforce). Noticeably clearer than other top end scopes (Schmidt and Bender, Nightforce ATACR, Kahles K525i, etc.). All are great scopes, but nothing is quite the Tangent Theta. While the Gen 3XR has more holdover has marks and is much closer to the Kahles SKMR 3, the Gen 2XR reticle has never let me down. Will try to post a review on YouTube if I can.

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December 30, 2019

DON'T BUY IT! That way I can hoard more for myself, BWAHAHAHA!

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May 16, 2017

Haven't seen a scope that remotely compares...Maybe I could of I wanted to spend 2k more on a Hensoldt but no thanks...

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July 23, 2020

Beautiful scope. I compared this scope with the Shmidt and Bender 5x45. Another great scope. But I have to tell you this scope in comparison has a VERY forgiving eye box at high magnification. Whereas the 5x45 was very sensitive. I was able to pan the Tangent at 25 mag and still keep the eye. Also the parallax adjustment is as simple as a slight turn of the knob and the picture clears up. Great scope an well worth it. Also the guys at Eurooptic are great. Ive been dealing with Jason for a while now who is VERY knowledgeable.

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July 14, 2017

The BEST scope bar none. Will be buying more.

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March 17, 2022

I had a Nightforce Riflescope on my rifle and decided to purchase a Tangent Theta since my Nightforce was second focal point I wanted to go to first focal point. I do have other Nightforce and Schmidt Benders on my other rifles. The Tangent Theta exceeded my expectations and I am very happy with my purchase. The glass is the best i have used for long distance. Yes it is costly but it is a lifetime scope once you have it. My biggest problem is how can I justify the purchase of a second Tangent Theta to replace either my Nightforce or Schmidt Bender on my other rifle. Also the adjustability of the knobs to rezero is awesome for multicaliber guns is a great added bonus.

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