Examples include the .357 Mag., .38-55, .44-40, .44 Rem. Scopes for "all around" and long range big game cartridges. Scopes for medium to long range varmint cartridges. Consequently, if you have a scope with a focal length of 1000 mm and an aperture diameter of 100 mm, then its maximum magnification is around 200x. A magnification of range 18 x to 25x is preferable when looking for the best scope magnification for 1000 yards. 33X is a good value for the magnification of the eyepiece. I don't mind getting another scope with better magnification but it … And it seems the dots change distance depending on magnification. Scopes for short to medium range varmint cartridges. For example, if you know a tree is 6 feet tall, but appears to be 8 mils in your scope, the object is 750 feet away. For instance, a telescope with an 80-mm-wide lens and a 400-mm focal length has a focal ratio of f/5. Nine to twelve power is good for long distance shooting and 20 power is great for paper targets that aren't going to move. A 6X42 scope has a six power magnification and an … From there I could adjust the magnification to make the target fit (a set number of dots). These brief caliber lists are not intended to be all-inclusive, so if your caliber is not listed, find something similar and there is your recommended scope. To calculate distance using a mil dot rifle scope, multiply the object’s height or width by 1000, then divide that number by the number of mils the object spans in your scope. A quick video to talk about scope magnification. Common examples of such varmint cartridges include the .17 Rem, .204 Ruger, .222 Rem, .223 Rem, .22-250, .220 Swift, .243 Win., 6mm Rem. This means that the image you see through the scope appears three times (3X) closer than it does with your naked eye. This magnification is not so powerful and is the best for viewing objects that are at a close distance to you. Each dot is.2mil and the space between the dots is.8mil for the round army type mil dot reticle. 2. The Burris is a long-distance riflescope having a magnification of 8x and 40x. For example a 2-7x33 scope might have a 51’ field of view on 2x but only a 17’ field of view on 7x magnification. If we look at something on the horizon a long way off, we see lots of things around that object i.e. Not only will you have the ability to better identify your target at greater ranges, but you will also retain an acceptable field of view for closer targets and movers. The whole point to this little missive is to help less experienced shooters choose a riflescope that is appropriate for the caliber and purpose of their rifle. You may find that monoculars come with a specific magnification power and lens size, such as an 8 x 25, which is a monocular with an 8x magnification and a 25mm lens. Fixed power scopes - Minimum magnification 2x; maximum magnification 4x; 3x scope recommended. THE MICROSCOPE DEPOT © 2020 - TERMS & CONDITIONS All Rights Reserved: Toll Free: 1-888-726-7378 CONTACT US An adjustable objective (AO) or side focus scope adjustable for parallax is recommended. You may try out several different monoculars with a set magnification power and lens size to get a … On the other hand, sometimes I'm shooting 1/4-MOA targets @ 100-yards, and might use the full 27x. The traditional 3X9 was pretty much the default to everything, and there were … For example, a 4X32 scope has a four power magnification which means you can see 4 times better than you could without the scope. The magnification of the scope depends on the focal lengths of these two lenses. In other articles on Guns and Shooting Online we have recommended specific scopes by price class and brand name, but this is a more general treatment. Higher power is very hard to use. Magnification is typically the first number that you see in scope performance. Objective Lens Size: The larger the objective lens size the brighter the image through the scope appears, larger lenses are heavier and can add a significant amount of weight to a scope. The sharpest image I have in any scope (more than two dozen from 1x to 6-24x50) from many different companies is a 2-7x36mm Kahles Helia CL. These rimfire and small centerfire cartridges are useful for shooting varmints such as groundhogs and prairie dogs (CXP1 game) at maximum ranges between about 125 and 200 yards, depending on the specific caliber. 150 yards is the maximum distance I can handle based on the previous section. Let us start with naked eye. However budget, accuracy, weight, quality of optics and durability will be crucial considerations as will be the ability to calibrate or usability of the scope. The Argos BTR is decked out with some excellent features that will make target shooting, hunting, and even tactical use an easy goal to accomplish. When we view an object that is closer, our eyes act as a zoom and change the focal length to about 22mm. Typical maximum ranges run 225-300 yards. What Rifle Scope Magnification Should I Get? I've been spoiled by them. The first number indicates the magnification power of the scope and the second number gives the diameter of the objective lens (the lens at the far end of the scope). This provides (in the case of a 2.5x20mm scope) an 8mm exit pupil (light pencil). What’s the best magnification power? ; Size and weight: heavier scopes can be quite cumbersome if you plan on using your scope for hunting. While there are other factors to consider when choosing a spotting scope for 1000 yards distance, magnification plays a significant role in the performance of your scope. M = D × 0.25 + 1. where M is the magnification, D is the optical power in diopters and 0.25 is the reference distance in meters. For example, if your rifle is a .250 Savage (which is not listed below), you can reasonably use the scopes recommended for the .257 Roberts. Variable power scopes - Minimum magnification 1x to 2x; maximum magnification 3x to 5x; 1-4x (approximate) scope recommended. The benefit of the Spot On program is that it calculates the distance that each circle represents at every magnification. It is generally recommended to shoot dangerous game at ranges between 50 and 150 yards whenever possible, so high magnification scopes are not necessary. These are CXP2 and CXP3 class game cartridges with a MPBR +/- 3" typically between 250-300+ yards. My eyesight is good, but I don't know how far out that range of magnification is useful. Close focus: the closest distance you can still see clear images, useful for birding. These are CXP3 and CXP4 class game cartridges intended for hunting large predators (the great bears and big cats), bovines, rhino, and elephant. Several formulas are used to determine magnification from the optical power in diopters, but the most common are only two: M = D × 0.25. Eye Relief The distance your eye is from the scope when you … What do rifle scope numbers mean? Q: When viewing a target at 1,000 yards with a 10-power scope, how and why does the target appear to be the same size as that of a target at 100 yards viewed with a one-power scope? The overall quality of the scope’s design including its weight, quality of the glass used and the field of view will also make the scope a … An adjustable objective (AO) or side focus scope adjustable for parallax is recommended. This includes 4-14x and my personal favorite, the 6-24x. These are often thought of as woods and brush calibers, where a wide field of view is usually more important than high magnification. To find the maximum useful magnification for an objective lens multiply 1000 by the numerical aperture. scope. If we wanted more magnification, we could use an eyepiece with a shorter focal length, such as 10mm: 1200mm/10mm = 120x magnification. Scope Aperture: The diameter of a telescope’s main lens or mirror — and the scope’s most important attribute. Fixed power scopes - Minimum magnification 4x; maximum magnification 6x; 4x scope recommended. The magnification of a spotting scope is designed for viewing at ad distance where conventional binoculars no longer function. As a 308 scope, the Athlon Optics is a powerful scope, and it comes in various magnification ranges. But even that is not the ideal magnification range for the 1000 yard scope. Thus, a 4-inch scope can provide about 200x magnification before images become too blurry and dim, a 6-inch scope is around 300x, etc. Alternatively, a scope magnification distance chart may be expressed as a table that correlates three values – the apparent size of the target, the actual size of the target, and the distance to the target. You can even print a chart that shows the distance for each circle at each magnification that is present on the scopes magnification ring. That’s it! As for example, a specification 9×54 explains that the scope has the magnification of 9x and 54mm is the diameter of its objective lens. What is necessary is a very wide field of view and long eye relief. Thus, doubling the magnification from 3× to 6× will cause the target’s image to appear half as far away. 1. For example, a 3-9X36 is very common hunting configuration. Fixed magnification 2x-3x scopes should be provided with a 20mm objective, which allows a straight 25mm external tube diameter for optimum mounting versatility and rifle balance. I've always used 7x zoom. I have my own ideas, I just want to see what everyone else is doing to compare. Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.. The glass for this scope is extraordinary and of an unsurpassed quality that results in a bright sight picture even in depressed light conditions. At a certain point, all more magnification does is increase mirage. Milling reticle. You would describe this scope as a "three to nine by forty." 1. If we wanted more magnification, we could use an eyepiece with a shorter focal length, such as 10mm: 1200mm/10mm = 120x magnification We could also use these eyepieces with a … 2. For example, a 4 by 40 mm scope has a magnification power … In a 3-9X40 scope, the 3 means three power, or 3X. It really depends on your needs, but we’ll get into talking about that later. Is this going to be useful only to a certain range? Yesterday I was shooting a 1-MOA target @ 1000-yards @ 10x, on a 27x optic. Most observation done with a spotting scope requires a magnification of 30x – 40x, which assures that most scopes are capable of producing reasonable images. ; Field of view (FOV): this is how much you can see at a certain distance out at a certain magnification level. Scopes have magnification on them such as a 4x or 6x. Mag., .45 Colt, .45-70, and cartridges with similar trajectories. Two important numbers are given with scopes. Variable power scopes - Minimum magnification 1.5x to 2.5x; maximum magnification 4x to 8x; 2-7x (approximate) scope recommended. A scope with great glass may permit more detail in the image than a much higher magnification with lesser quality glass. The forty (40) is the objective lens diameter in millimeters. To make it even better, the reticle is self-illuminating increasing accuracy at dusk or dawn. A 6X42 scope has a six power magnification and an 8X32 has an eight power magnification. It’s usually the first number (or range of numbers) on a scope. Just remember that your most beneficial magnification setting will be the one that still gives you the clearest, best image all the way around. Totally depends on distance AND target size. Copyright © All rights reserved. For those new to the optics game a 2-7x33 means that the scope has a variable magnification ranging from 2x to 7x and the objective lens diameter (the scope lens closest to the muzzle) is 33mm. Appropriate scopes offer a reasonable field of view at low power and enough magnification for long range shots at big game animals when they cannot be avoided. I've also been window scope shopping, and want to make sure I'm getting what I … Scope magnification is a multiplication measurement compared to the average naked eye. Several formulas are used to determine magnification from the optical power in diopters, but the most common are only two: M = D × 0.25. These are short range (MPBR +/- 3" typically 150-175 yards or less) CXP2 and CXP3 class game cartridges. Enjoy our FREE RETURNS. Despite the fact that comparison charts are arranged systematically by magnifications like 2-7×33, often distinct manufactures have slightly unique configurations like 2-7×33, or 2-8×33. Appropriate scopes need a wide field of view as well as enough magnification to allow shots across ravines and clear cuts. In contrast, the minimum magnification of any scope is equivalent to its exit pupil diameter. If you know two of these values, this table will tell you the third value. Variable power scopes - Minimum magnification 3x to 6x; maximum magnification 10x to 15x; 4-12x (approximate) scope recommended. We could also use these eyepieces with a different telescope (say, with a 600mm focal length) to get different magnifications: 600mm/25mm = 24x magnification Variable power scopes tend to be most popular for hunting applications. The first number is the magnification of the scope while; The second number is the total diameter of scope’s objective lens. A quick video to talk about scope magnification. It is equipped with some form of a referencing pattern (a reticle) mounted in a focally appropriate position in its optical system to give an accurate point of aim. Included in this category are most of the "all-around" big game cartridges. 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