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Optics Terms Defined: Twilight Factor & More

No, it has nothing to do with sparkly vampires (thankfully).

Optics Terms Defined: Ocular Lens & Parallax

Here are what all those terms you hear being bandied about actually mean.

Optics Terms Defined: Magnification and Objective Lens

It's not quite as simple as it sounds...

Optics ABCs: What All Those Terms Mean

When it comes to optics, the argot can be confusing. Here's what all those terms...

Gun Optics: What Are Aberrations?

When people talk about "aberrations" in relation to gun optics, here's what they mean.

5 Great Survival Guns

Versatility, reliability and adaptability are key here.

Optics Terms Defined: Twilight Factor & More

No, it has nothing to do with sparkly vampires (thankfully).

Optics Terms Defined: Ocular Lens & Parallax

Here are what all those terms you hear being bandied about actually mean.

Optics Terms Defined: Magnification and Objective Lens

It's not quite as simple as it sounds...

Optics ABCs: What All Those Terms Mean

When it comes to optics, the argot can be confusing. Here's what all those terms...

Gun Optics: What Are Aberrations?

When people talk about "aberrations" in relation to gun optics, here's what they mean.