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Choosing the right scope for the job is important. You must take into account what kind of hunting you will be doing. Whether it will be at night or in the day light makes a difference. Expected weather conditions, range, and type of game are all factors that will affect what kind of scope you choose. Here is some information to keep in mind when searching for hunting scopes online.

Eye relief – This is how far the scope can be held from the eye while still allowing full range of view. Increased eye relief will allow for greater comfort when using the scope. This is critical for preventing the rifle from connecting with the eye when it recoils.

Light Transmission refers to how well the scope allows light to pass through to your eye. The higher the light transmission the number, the greater your visibility will be. While manufacturers have not been able to achieve 100% transmission, some have developed special coatings and anti-reflective interior surfaces that result in up to 95% transmission.

Choosing a magnification range – Higher magnification is not always better. The right choice will depend on your individual needs. Before deciding to buy hunting scopes, you should take into account what you will be doing with them.

  • Low power is ideal when you are working at a close range and the targe will be moving. Light management is highly effective, the pictures are brighter and the field-of-view is wider. Examples are 1.5-6x32 and 2-7x32

  • Medium power is ideal for hunting large animals from a medium range. Examples are 3-9x40 and 2.5-10x50

  • High power is the choice when shooting motionless targets from a great distance. They are also ideal for shooting small game and other tiny critters. Examples include 6-18x40 or 6-24x40

You can also choose scopes with variable magnification settings. The scope will have a range of magnifications that can be chosen from, allowing you to use the scope in a wider range of settings.

Parallax – When a target is not properly focused on the reticle plane, the resulting condition is known as parallax. It is what causes the crosshairs on the scope to appear to be in a different spot on the target than they are actually on. Most applications will not be seriously hindered by parallax, but there are scopes that offer parallax compensators for those times when greater precision is needed.

Objective lens size is the diameter of the front lens expressed in millimeters. Most scopes have the objective lens size shown as the second number in the scopes configuration. A scope that is 4x32 will offer 4x magnification and a 32mm diameter objective lens. This number also lets you know how well the scopes lighting will be. Before rushing to buy the largest diameter you can get, keep in mind that as the lens increases in size, the scope will increase in weight and will become less comfortable to use.

Tube diameter – The size of the tube matters, because it will dictate what size rings are used to mount it. You should never force a 1" diameter scope into 30mm rings, as this can cause damage to the scope.

Lenses and coatings – The coatings on the lens will affect how much light moves through to reach the eye. In a perfect scope, all the light would transmit through the barrel. Unfortunately, the perfect scope has yet to be invented. Most quality scopes have anti-reflective coatings so more light can reach your eye, helping you see the target better. Fully coated lenses and multi-coated lenses are both appropriate choices that can allow up to 95% of the light to reach you.

Field of view – The F.O.V. is the measurement from one to the other of the circular viewing area. The standard distance for measuring F.O.V. is 100 yards or meters and is measured in yards or meters. Wider field of views will make game easier to find and moving targets easier to track. Higher field of views also come with lower magnifications as a general rule of thumb.

Red dot sights superimpose a red aiming dot on the crosshairs. The red dot is not actually projected onto the target, but can help you improve your aim.

Turret adjustments allow you to move the scope up and down and from one side to another. These adjustments will allow you to take into account the current wind speed, direction, and distance.

Minute of angle (MOA) is the method used to properly adjust a scope turret. Every click on the turret equals ¼ MOA or 1/8 MOA, depending on the scope. As the target moves further away, understanding how to properly calculate MOA and adjust accordingly becomes increasingly important.

Bullet drop compensators (BDC) allow the shooter to take into account the angle at which a bullet will begin to fall when fired over a great distance. This feature will allow you to have more precise aim when the target is a large distance away.

You can buy hunting scopes online, and doing so will allow you to find the perfect one for your needs at a price you are comfortable with. Before making your purchase, consider your needs in the field. Think about the expected range, as well as what you will be hunting before making your final decision.