1st Look : Grayl Geopress & Thrive HD Micro Prism

Published on April 6, 2026
Duration: 15:00

This video provides a first look at the Zero Tech Thrive HD 1x20 micro prism optic and the Grail Geopress titanium water filter. The optic features an Aimpoint T2 footprint and includes various spacers for mounting height adjustment. The Geopress titanium water filter is highlighted for its durability, ability to filter water in freezing conditions by melting snow, and its dual functionality as a French press.

Quick Summary

The Grail Geopress titanium water filter is a durable backcountry tool that can filter water even in sub-freezing temperatures by melting snow. Its titanium build also allows it to be used for boiling water and, with accessories, as a French press, offering significant versatility for outdoor enthusiasts.

Chapters

  1. 00:06Introduction
  2. 00:12Zero Tech Optics Introduction
  3. 00:58Zero Tech Thrive HD 1x20 Micro Prism
  4. 01:49Optic Components and Features
  5. 02:44Aimpoint T2 Footprint Explained
  6. 03:33Optic Cover and Battery Access
  7. 04:17Benefits of Prism Optics for Vision
  8. 05:35Reticle Appearance
  9. 06:08Grail Geopress Water Filter Introduction
  10. 06:45Grail Geopress Titanium Unboxing
  11. 07:05How the Geopress Works
  12. 07:47Cold Weather Filter Performance
  13. 08:43Titanium Cook Lid and Coffee Press
  14. 09:345L Mission Carry Pouch
  15. 09:42Water Source Selection
  16. 10:26Filling and Pressing Water
  17. 11:05Filtered Water Taste Test
  18. 11:45Overall Impressions
  19. 13:32Future Plans and Range Time
  20. 13:47Geopress Use Cases
  21. 14:41Conclusion and Links

Frequently Asked Questions

What are the key features of the Zero Tech Thrive HD 1x20 micro prism optic?

The Zero Tech Thrive HD 1x20 micro prism optic features an Aimpoint T2 footprint for mount compatibility, includes various spacers for adjustable height, and offers an illuminated reticle that also functions as a black etched reticle when off. It's noted as beneficial for users with astigmatism.

How does the Grail Geopress titanium water filter perform in cold weather?

The Grail Geopress titanium water filter is designed to function in sub-freezing temperatures. Its single-walled titanium construction allows it to be used for melting snow, and unlike some filters that can break or freeze solid, it maintains functionality.

What makes the Grail Geopress a versatile backcountry tool?

Beyond water filtration, the Grail Geopress's titanium construction allows it to be used for boiling water. It also comes with accessories to function as a French press for coffee, making it a multi-functional item for camping and outdoor excursions.

What is the advantage of a micro prism optic for shooters?

Micro prism optics, like the Zero Tech Thrive HD, are often preferred by shooters with astigmatism because they can provide a cleaner and more defined reticle compared to traditional red dot sights, improving aiming accuracy.

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