今天凌晨，Meta 发布的首款 AR 智能眼镜 Orion，让我们离这个理想中的产品更近了一点。虽说过去的几年陆续有 AR 眼镜发布，但共性也很明显 ...

Use this cantilever mount for mounting 30 mm telescopic sights. The 2-inch offset of this cantilever mount positions the scope in a forward location, allowing the correct eye relief and head ...

Another shooter related what switching from a DMR-variant AR to a .223 bolt gun did for their work ... Another important part ...

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Anchor Optics, a division of Edmund Optics, is the preferred provider for Affordable Quality Optics. With over 5,000 products and over 5,000,000 in stock, Anchor Optics is the optics alternative for ...

Loading This is a .223-caliber-sized round inside an AR-15. What makes the weapon so deadly is the speed of that bullet. It is small and light. Its cartridge holds enough propellant to send the ...

And while there are a lot of variables at play that are out of your control, sighting in your scope is one that is fully in ...

Light: Science & Applications (LSA) is a peer-reviewed open access journal publishing highest-quality articles across the full spectrum of optics research. LSA promotes frontier research in all ...

This textbook has now been replaced with a newer edition. On 1st July 2025 it will be withdrawn from institutional access further information is available here. This will not affect customers who have ...

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Wolf, E. 1955. Part III - Recent researches on the foundations of geometric optics and related investigations in electro-magnetic theory. IRE Transactions on Antennas and Propagation, Vol. 3, Issue. 4 ...

peered through the scope at the target 35 yards away and pulled the trigger. “Hit!” an instructor called. It was the first time that D, a nonbinary community organizer, had fired an AR-15.