Description
Last update on July 4, 2022 // Source: Amazon API
Rifle Scope Product Details
Leupold Mark 4 12-40x60mm Tactical Spotting Scope, Tactical Milling Reticle
The Mark 4 Tactical spotting scope gives you the brightness and clarity necessary for positive target identification in any conditions. Built to survive shocks, blows, drops, and impacts, it’s not only tough, it’s also 100% waterproof and fogproof. Countless military sniper teams have trusted the Mark 4 Tactical spotting scope. You can depend on it, too.
Details
– Weight: 37.0 oz/1049 g
– Linear FOV (ft/1000 yd): 168-52
– Linear FOV (m/1000 m): 56-17
– Twilight Factor: 26.8-48.9
– Eye Relief: 1.2 in/30 mm
– Angular FOV (degrees): 3.2-1.0
– Exit Pupil: 1.5-4.8 mm
– Close Focus Distance: 36.0 ft/11.0 m
Rifle Scope Product Features
Leupold Model #60040 Mark 4 12-40x60mm with TMR Reticle
100% Waterproof, fogproof, and shockproof.
DiamondCoat 2 – Ion-assist lens coating for higher light transmission and the greatest level of abrasion resistance
BAK 4 Prisms deliver a perfectly round exit pupil with virtually no edge distortion and a crisp, clear image
Twilight Max Light Management System adds up to 10 extra minutes of glassing light
Mark 4 Spotting Scope
The Mark 4 Tactical spotting scope gives you the brightness and clarity necessary for positive target identification in any conditions. Built to survive shocks, blows, drops, and impacts, it’s not only tough, it’s also 100% waterproof and fogproof. Countless military sniper teams have trusted the Mark 4 Tactical spotting scope. You can depend on it, too.
Max Magnification: 60x
Weight (oz): 61.80
Length (in): 15.50
Eye Relief (mm): 30.00
Linear FOV (ft/1000 yd): 121 – 42
Leupold Spotting Scope
Relentless Performance
We’re relentless because you’re relentless. You don’t back down. You don’t give in. You keep going when others stop. No matter where you take us, on the battlefield, in competition, or on the hunt, we won’t let you down.
Superior low-light performance
Premium edge-to-edge clarity
Waterproof, fogproof, and built to perform for life
Twilight Max Light Management System
Adds up to 20 minutes of extra glassing light at dawn & dusk.
Twilight Max Light Management System
Assembled in the USA
Scratch Resistant Lens
Folded Light Path Design
Rugged Reliability
Provides superior resolution, depth, and color fidelity with incredible clarity at all magnification levels.
Leupold pioneered waterproofing technology, and still leads the way with spotting scopes that are guaranteed to be absolutely waterproof and fogproof no matter the conditions you use them in.
Durable lightweight magnesium housing shrouded in a rubber armor coating, scratch resistant lens combined with prism-less folded light path design make these spotters as tough as they are clear.
SX-1 Ventana 2 Gold Ring Compact Gold Ring Mark 4 SX-5 Santiam
Light Management System Twilight Twilight Twilight Max or Twilight Max HD Twilight Max Twilight Max HD
Eyepiece Style Straight or Angled Straight Straight Straight Straight or Angled
Weight 30.6 – 37oz 15.8 – 21.5oz 37 – 61.8oz 37-61.8oz 68.7oz
Made in the USA No Yes Yes Yes No
About the Leupold Manufacturer
Leupold is a premium maker for rifle scopes, optics, mounting solutions, and other accessories used for firearms like rifles and long guns. They style and build their products by applying elements which are resilient and long lasting. This includes the Leupold Mark 4 12-40x60mm Tactical Spotting Scope, Tactical Milling Reticle by Leupold. For additional shooting items, visit their site.
Info Rifle Optics
Rifle scopes enable you to specifically aim a rifle at different targets by lining up your eye with the target over a range. They accomplish this through zoom by making use of a set of lenses inside the scope. The scope’s positioning can be adapted to account for varied environmental elements like wind and elevation increases to account for bullet drop.
The scope’s purpose is to understand exactly where the bullet will land based on the sight picture you are seeing using the scope as you line up the scope’s crosshair or reticle with the target. Most modern-day rifle scopes have about eleven parts which are located internally and externally on the optic. These optic pieces include the rifle scope’s body, lenses, elevation dials, objective focus rings, and other components. See all eleven parts of a rifle scope.
The Styles of Rifle Scopes
Rifle scopes can be either “first focal plane” or “second focal plane” kind of scopes. The form of focal plane an optic has determines where the reticle or crosshair lies in relation to the scopes magnifying adjustments. It literally suggests the reticle is located behind or in front of the magnifying lens of the optic. Deciding on the very best style of rifle glass depends on what sort of shooting or hunting you anticipate doing.
First Focal Plane Optics
Focal plane scopes (FFP) come with the reticle in front of the magnifying lens. This causes the reticle to increase in size based on the level of magnification being used. The outcome is that the reticle measurements are the same at the magnified range as they are at the non magnified distance. One tick on a mil-dot reticle at 100 yards without “zoom” is still the very same tick at 100 yards with 5x “zoom”. These types of scopes work for:
- Quick acquisition, far away types of shooting
- Shooting circumstances where calculations are minor
- Experienced shooters who have an idea for their target “hold over” and also “lead” equations for their long guns
- Shooters who do not mind the reticle is bigger and requires more visual sight space than a SFP reticle
About Second Focal Plane Glass
Second focal plane optics (SFP) come with the reticle to the rear of the zoom lens. This triggers the reticle to stay at the very same dimensions in connection with the amount of zoom being used. The outcome is that the reticle measurements adjust based upon the magnification employed to shoot over greater distances given that the markings present different increments which vary with the magnification. In the FFP illustration with the SFP optic, the 5x “zoom” one hundred yard tick would be 1/5th of the non “zoom” tick reticle measurement. These kinds of optics work for:
- Far away types of shooting where shooters have extra time to make ballistic computations
- Shooting where most of the shots occur within much shorter distances and ranges
- Shooters who want a clearer optic picture without area taken up by the larger size FFP reticle
Rifle Optic Magnification
The level of scope magnification you need on your optic depends on the type of shooting you wish to do. Almost every style of rifle glass delivers some amount of zoom. The level of magnification a scope gives is determined by the diameter, density, and curvatures of the lenses within the rifle optic. The magnifying level of the scope is the “power” of the glass. This signifies what the shooter is looking at through the scope is magnified times the power factor of what can usually be seen by human eyes.
Single Power Lens Rifle Scopes
A single power rifle optic will have a magnification number designator like 4×32. This suggests the zoom power of the scope is 4x power while the objective lens is 32mm. The magnification of this kind of optic can not fluctuate because it is a set power scope.
Adjustable Power Lens Rifle Scopes
Variable power rifle scopes can be tweaked between magnified settings. The power change is accomplished using the power ring part of the scope near the back of the scope by the eye bell.
Power and Range
Here are some advised scope powers and the ranges where they can be successfully used. Bear in mind that higher power scopes will not be as effective as lower magnification level glass due to the fact that excessive zoom can be a negative thing in certain situations. The same relates to extended distances where the shooter needs to have sufficient power to see precisely where to properly aim the rifle at the target.
Info on Glass Lens Covering
All present day rifle optic lenses are coated. Lens coating is a crucial element of a rifle system when thinking about high end rifle optics and scope equipment.
About Glass Lens Coatings – HD Versus ED
Some scope suppliers also use “HD” or high-def lense coatings which apply various processes, chemical applications, polarizations, and aspects to enhance a wide range of color ranges and viewable definition through lenses. This high-def covering is normally used with higher density lens glass which decreases light’s chance to refract by means of the lens glass. Some scope corporations use “HD” to describe “ED” meaning extra-low dispersion glass. ED handles how certain colors are presented on the chromatic spectrum and the chromatic aberration which is similarly called color distortion or fringing. Chromatic aberration can be visible around items with hard edges and outlines as light hits the object from various angles.
Single Rifle Optic Lens Finish Versus Multi-Coating
Different optic lenses can likewise have various coverings applied to them. All lenses generally have at least some type of treatment or coating applied to them before they are used in a rifle scope or optic.
This lens treatment can protect the lens from scratches while reducing glare and other less beneficial things experienced in the shooting environment while sighting in with the scope. The quality of a single covered lens depends on the scope producer and how much you paid for it.
Some scope producers likewise make it a point to define if their optic lenses are coated or “multi” coated. This implies the lens has had multiple treatments applied to the surfaces. If a lens gets multiple treatments, it can establish that a maker is taking several steps to combat various natural aspects like an anti-glare finishing, a scratch resistant anti-abrasion finishing, followed by a hydrophilic finish. This also doesn’t always mean the multi-coated lens is better than a single layered lens. Being “better” is dependent on the maker’s lens treatment innovation and the quality of products used in constructing the rifle optic.
Hydrophobic Lens Finishing
Water on a lens doesn’t improve maintaining a clear sight picture through an optic in any way. Numerous top of the line or premium optic manufacturers will coat their lenses with a hydrophobic or hydrophilic finishing. The Steiner Optics Nano-Protection is a fine example of this type of treatment. It deals with the exterior surfaces of the Steiner scope lens so the H2O molecules can not bind to it or produce surface tension. The result is that the water beads roll off of the scope to keep a clear, water free sight picture.
Options for Mounting Optics on Long Guns
Mounting options for scopes are available in a few options. There are the standard scope rings which are individually installed to the optic and one-piece scope mounts which cradle the scope. These various kinds of mounts also generally come in quick release versions which use throw levers which allow rifle shooters to rapidly mount and remove the optics.
Hex Key Rifle Optic Rings
Basic, clamp type mounting optic rings use hex head screws to install to the flattop design Picatinny scope mounting rails on rifles. These types of scope mounts use two individual rings to support the optic, and are usually constructed from 7075 T6 billet aluminum which are developed for far away precision shooting. This form of scope mount is good for rifles which are in need of a durable, hard use mount which will not change regardless of just how much the scope is moved or abuse the rifle takes. These are the design of mounts you want for a devoted optics setup on a long distance scouting or interdiction firearm which will hardly ever need to be modified or adjusted. Blue 242 Loctite threadlocker can also be used on screws to prevent the hex screw threads from wiggling out after they are installed firmly in position. An example of these rings are the 30mm type made by the Vortex Optics brand. The set usually costs around $200 USD
Quick-Release Cantilever Rifle Optic Ring Mounts
These types of quick-release rifle scope mounts can be used to rapidly detach a scope from a rifle and reattach it to a different rifle. Multiple scopes can also be switched out if they all use a complementary designed mount. The quick detach design is CNC crafted from anodized 6061 T6 aluminum and the mounting levers attach nicely to a flat top type Picatinny rail. This permits the scope to be sighted in while on the rifle, removed from the rifle, and remounted while retaining precision. These types of mounts come in practical for shooting platforms which are transferred a lot, to take off the scope glass from the rifle for protection, or for scopes which are utilized between numerous rifles. An example of this mount type is the 30mm mount from the Vortex Optics brand. It normally costs around $250 USD
What to Know About Glass Tube Sealing and Gas Purging
Wetness inside your rifle scope can ruin a day of shooting and your costly optic by bringing about fogging and developing residue inside of the scope tube. Many scopes avoid moisture from going into the scope tube with a system of sealing O-rings which are water resistant.
Rifle Glass Gas Purging
Another part of avoiding the accumulation of wetness within the rifle scope’s tube is filling the tube with a gas like nitrogen. Considering that this space is already occupied by the gas, the optic is less altered by temp changes and pressure distinctions from the external environment which could possibly enable water vapor to permeate in around the seals to fill the void which would otherwise be there. These are good qualities of a decent rifle scope to seek out.
