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When Your Leisure Time Allows - Lookie - Good Gun Info

This is a discussion on When Your Leisure Time Allows - Lookie - Good Gun Info within the SA-XD/XD(M) FAQ & Stickies forums, part of the Information category; Magnification (Power) Riflescopes are often referred to by two numbers separated by an "x". For example: 4x32. The first number is the power or magnification ...

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Old 10-23-2008, 04:28 PM   #31
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Scope Terms and Definitions

Magnification (Power)
Riflescopes are often referred to by two numbers separated by an "x". For example: 4x32. The first number is the power or magnification of the scope. With a "4x", the object being viewed appears to be four times closer than when seen with the unaided eye.

Objective Lens Size
The second number in the formula (4x32) is the diameter of the objective or front lens in millimeters. The larger the objective lens, the more light that enters the scope, and the brighter the image.

Ocular Lens
The lens closest to your eye.

A condition that occurs when the image of the target is not focused precisely on the reticle plane. Parallax is visible as an apparent movement between the reticle and the target when the shooter moves their head or, in extreme cases, as an out-of-focus image. Bushnell center fire riflescopes under 11x are factory-set parallax-free at 100 yards; rim fire and shotgun scopes at 50 yards. Scopes of 11x or more have an adjustable objective to adjust for parallax.

Precision Adjustments
The windage and elevation adjustments affect accuracy. Windage is the horizontal (left-to-right) adjustment, usually the side turret of the scope. Elevation is the vertical (up-and-down) adjustment, usually the top turret of the scope. Some scopes feature 1/4 M.O.A. (1/4" at 1 windage 00 yards) or finer and elevation adjustments with audible clicks for greater precision.

Resolution, or definition, is the ability of a scope to distinguish fine detail and retain clarity.

Rugged Body Construction
Many riflescopes use a high-durability aluminum alloy. They are also anodize-finished and are sealed to protect the inside from the elements. Each riflescope is rustproof, virtually scratch-proof and a beautiful complement to the most expensive firearm.

Sealed, Waterproof and Fogproof
Some riflescopes remain crystal-clear in all types of weather. All 1" and 30 mm diameter riflescopes are not only nitrogen-purged to remove any vestige of internal moisture, but they are also O-ring sealed to prevent the entry of dust or moisture.

How To Choose
A quality riflescope is the key to a successful day at the range or in the field. Riflescopes bring distant targets and surrounding objects up close and personal allowing safer, more accurate shooting. They gather and utilize available light making it possible to shoot in lower light conditions and allowing the hunter to hunt from dawn to dusk.

Pairing just the right riflescope with your gun and ammunition will help you get the most out of each and every shot. Selecting the correct scope to fit your needs involves a number of considerations from mechanics and construction to image quality and magnification. Keep in mind when and where you shoot most often and choose a riflescope with features that best fit the requirements of your particular sport.

The inner workings of a scope have a direct effect on shooting accuracy. As adjustments are made during sight-in, the cam tube, which holds the reticle and lenses in place, moves inside the scope. To stay on target and produce a quality image, this tube must be strong enough to absorb the impact of heavy recoil during shooting and remain in place. When selecting your riflescope look for precision (positive) adjustments, point-of-impact consistency, reticle strength and waterproof, fogproof and shockproof durability. You'll also want to consider weight, bulk and ergonomics, which are especially important during long days in the field.

Image Quality
For optimum image quality, it is important that the optical system of a riflescope deliver as much light as possible to the eye of the shooter. The lighter or brighter the image, the sharper the resolution and the clearer the shot. The quality of the glass, lens design and optical coatings all contribute to a riflescope's ability to manage light effectively. When selecting your scope, consider magnification, objective lens size, exit pupil, resolution, field-of-view and eye relief.

Choose a riflescope with the magnification or power that is appropriate for your particular application.

Low Power – (examples: 1.5–6x32, 2–7x32) These riflescopes are ideal at close range and for shooting moving targets. They provide the most effective light management and produce a brighter sight picture and wider field-of-view – even in low-light conditions and thick brush.

Medium Power – (examples: 3–9x40, 2.5–10x50) Select these riflescopes for hunting big game at medium range.

High Power – (example: 6–18x40, 6–24x40) These riflescopes are best for target shooting, when the target is motionless and for varmints and other small game.

Types of Reticles
A reticle is the crosshair or pattern placed in the eyepiece of the scope which establishes the gun’s position on the target.

Hope this helps.

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Old 02-11-2009, 01:53 AM   #32
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A Holster List Addition and Current Upgrade to the List

Enjoy -

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Old 02-10-2011, 02:16 PM   #33
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ED - Thanks. As a noob, this thread is extremely helpful!
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Old 03-05-2011, 08:09 PM   #34
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Thumbs up

Thanks for all the URL's, They sure have a bunch of good info.
Comes in handy
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Old 03-05-2011, 08:19 PM   #35
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Hi, Here is another Great place to get some really great quality gun leather:

He makes a Great XDM 3.8 conceal carry holster.
Fits my Springfield A like a glove.

:Adams Holsters
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Old 05-14-2012, 07:05 AM   #36
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Good resources of gun.I will share this to my friend who has a plan to buy a gun next month for his self defense.

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Old 10-30-2012, 08:04 PM   #37
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A lot of good resources!
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Old 02-04-2013, 06:17 AM   #38
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Old 03-30-2013, 07:37 PM   #39
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Great links, thanks!
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Old 09-26-2013, 07:55 AM   #40
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Thanks again
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