Selecting a Scope Reticle for Long Range Shooting

We explore the scope reticles best suited for long range, precision rifles.
NOTE: All reticle images were sourced from creative commons or other free/unlicensed sources

Timeline:
00:00 - Intro and basics
06:38 - Reticles: basic to advanced
07:12 - What is subtension?
08:53 - MILS or MOA
08:52 - Basic reticles
10:07 - More advanced reticles
11:42 - Ranging reticles
14:01 - Horus and tremor type reticles
17:01 - My recommendation
23:20 - Wrap up

Links:
GR2ID reticle https://schmidtundbender.de/en/service/did-you-know/126-reticles/1678-the-making-of-the-gr2id-reticle.html
TR2ID reticle https://schmidtundbender.de/en/new-products/trid-reticle.html
HorusVision simulator https://www.horusvision.com/reticle-simulator/