Congratulations on your choice of a Nikon riescope. Your new scope is the nest example of Nikon’s rugged and durable construction and precision bright optics; important qualities for a serious shooter’s riescope.
Whether you use your scope for target shooting or for hunting, the procedure for mounting is identical. A set of high-quality steel mounting rings which have a standard diameter of 30 mm (1.2 in.) are required to mount
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the scope. Follow the ring manufacturer’s instructions for mounting procedures. After mounting the scope on your rie, follow the procedures for reticle alignment.
WARNING:
IMPROPER MOUNTING OF YOUR NIKON SCOPE CAN CAUSE SERIOUS INJURY.
THUS IT IS IMPORTANT THAT YOUR NIKON SCOPE IS MOUNTED PROPERLY BEFORE USING. TO ENSURE PROPER MOUNTING OF YOUR NIKON SCOPE, PLEASE HAVE IT MOUNTED AND/OR CHECKED BY AN EXPERIENCED
GUNSMITH BEFORE USING.
THE USER ASSUMES ALL RESPONSIBILITY AND LIABILITY FOR HAVING THE SCOPE PROPERLY MOUNTED TO A FIREARM AND FOR USING THE SCOPE PROPERLY.
ALWAYS CHECK THE CONDITION OF YOUR SCOPE AND YOUR MOUNTING SYSTEM BEFORE USING YOUR FIREARM.
SUPPLIED ITEM(S)
Body ························································· 1 piece
Eyepiece cap ············
Objective cap···········
································ 1 pair*
*Rubber band linked (This type connects the objective and eyepiece caps using a rubber band.)
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Caution
(1) Do NOT look at the sun through the riescope. It will permanently damage your eye. This precaution applies to all optical devices, such as cameras and binoculars.
(2) The riescope is eectively sealed against moisture and dust. You may use your scope safely either in the rain or in dusty climates. To preserve the appearance of the scope, we recommend that it be dried and
cleaned prior to storage. Use a soft cloth for cleaning metal surfaces and use photographic lens tissue to clean the scope’s lenses.
(3) Never leave the device in the sun for extended periods without the Eyepiece/Objective cap. The objective lens and eyepiece can function as a burning glass and damage the interior components.
When setting the reticle for shooting or hunting, you should determine your standard range and then adjust the reticle based upon that target distance. For targets which vary from that standard distance, according to
personal preference, you may simply adjust the position of the reticle in relation to your target, or you may wish to use the procedure for trajectory compensation.
We hope that you will enjoy your new Nikon Riescope for many years to come. Enjoy using it, and above all, always follow safe shooting procedures.
N.B. Export of the products* in this manual may be controlled under the laws and relatives of the exporting country. Appropriate export procedure, such as obtaining of export license, shall be required in case of export.
*Products: Hardware and its technical information (including software)
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1. Nomenclature
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Fig. 1
1 Objective lens
2 Eyepiece lens
3 Elevation adjustment turret
4 Windage adjustment turret
5 Eyepiece adjustment
6 Power index
7 Power scale
8 Power selector ring
9 Diopter index dot
0 Turret cap
c
a Side focus adjustment turret
b Distance scale
c Distance index
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a
2. Specications
Model3-12×42SF4-16×42SF4-16×50SF5-20×50SF
Reticle
Actual magnification (×)3-124-164-165-20
Effective objective diameter(mm)42425050
Max. internal adjustment (MOA)
Parallax setting(m)/(yd.)45.7-∞/50-∞45.7-∞/50-∞45.7-∞/50-∞45.7-∞/50-∞
Field of view at 100 m
Field of view at 100 yd.
Length (a) (mm)/(in.)334/13.1345/13.6375/14.8380/15.0
Mount length (b) (mm)/(in.)58.4/2.358.4/2.356.4/2.261.1/2.4
Mount length (c) (mm)/(in.)36.3/1.436.3/1.436.3/1.436.3/1.4
Mount length (d) (mm)/(in.)52.1/2.152.1/2.152.1/2.152.1/2.1
Weight
StructureWaterproof (up to 1 m (3 ft 3 in.) for 10 minutes) and nitrogen gas purged
*1
(at minimum magnification)-(at maximum magnification) *2 MOA = Minute of Angle
Letters a to d in the diagram above refer to lengths (a) to (d) shown in the Specifications table.
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3. Instructions
(1) Focusing
1 Look through the eyepiece with your eye positioned about 10 cm (4 in.) away from the eyepiece to see each reticle (Fig. 3).
Be sure your eye is positioned with proper alignment and with proper eye relief, otherwise the view will “black out.”
2 Point the objective end of the scope at the sky (do NOT point it at the sun) or at a plain unpatterned wall.
Standard BDC reticle
Nikoplex (Duplex) reticle
3 Turn the eyepiece adjustment counter-clockwise and then turn it clockwise until the reticle appears sharp.
Notice: Reticle images shown in this manual are representation only. Actual images may vary.
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MK1-MOA reticle
Fig. 3
(2) Magnication
• Nikon riescopes have variable magnication. For details, see “2. Specications”.
To change powers, rotate the power selector ring until the desired magnication appears adjacent to the power index.
(3) Adjustment of the riescope
Sighting through the riescope, align the rie with your aiming point on the target and shoot a trial round. If the bullet does not hit the aiming point, adjust the elevation and windage adjustment turrets as follows:
• If the bullet hits under the aiming point, turn the elevation adjustment turret (counter-clockwise) in the direction of the arrow marked “U” for up. If the bullet hits high, turn the elevation adjustment turret (clock-
wise) in the direction of the arrow marked “D” for down.
• If the bullet hits to the right of the aiming point, turn the windage adjustment turret (clockwise) in the direction of the arrow marked “L” for left. If the bullet hits to the left of the aiming point, turn the windage
adjustment turret (counter-clockwise) in the direction of the arrow marked “R” for right.
• After the reticle has been adjusted to the point of impact, replace the turret cap for both the elevation and windage adjustment turrets.
Note:
• The windage and elevation scales of MONARCH M5 riescopes are calibrated in divisions of 1/4 minute of angle (MOA) with a click at intervals of 1/4 minute of angle (1 division).
• When adjusting the reticle to the point of aim, remember that 1 minute of angle equals approximately 2.54 cm (1 in.) at 91.44 m (100 yd.).
Therefore, if the impact point is 5.08 cm (2 in.) low and 2.54 cm (1 in.) right at 91.44 m (100 yd.) parallax setting, you should adjust 2 minutes of angle up and 1 minute of angle left.
In the case of 45.72 m (50 yd.) parallax setting, the adjusting value is 2×. In the case of 68.58 m (75 yd.) parallax setting, the adjusting value is 1.5×.
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(4) Zero resetting of adjustment turret
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The elevation adjustment and windage adjustment turrets have a retracting system. After the reticle has been adjusted to match the point of impact, pull up the elevation adjustment or windage adjustment turret
to disengage. The turret can now be turned freely. Align the zero number to the index line to set the zero setting, and then release the turret. The turret automatically retracts to the original position.
(5) Adjustable side focus
The riescopes include a side-focus adjustment that allows precise focusing of the reticle on the same focal plane as the target image from 45.7 m (50 yd.) to innity. Thus, parallax can be eliminated and sight
alignment will be accurate. The marked distance scale can be used as a reference guide.
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4. Utilizing the Nikon’s reticles
All Nikon’s riescope reticles are designed to compensate for the trajectory of your rearm.
Please note that the reticle is based upon ballistic information and may or may not meet the same results for you as there are many variables that come into play such as:
• Actual Velocity (Ammunition manufactures’ information in regards to muzzle velocity may or may not match the velocity your rearm produces. The best way to determine the actual muzzle velocity for your rearm
is to use a chronograph).
• Temperature
• Humidity
• Altitude
• Barometric Pressure
• Condition and inherent accuracy of the rearm
• The mounting system and how true it positions the scope to the centerline of the bore
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Standard BDC reticle
The standard BDC reticle is designed for use with either of the following cartridge categories. Please note that we highly recommend
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polymer tipped bullets for long range shooting as they are more aero-dynamic and tend to provide a atter trajectory.
Standard Velocity – Cartridges with a muzzle velocity of approximately 853 m/s (2800 fps (feet per second)).
We recommend that you zero the rearm at 91 m (100 yd.) with standard velocity cartridges, this would provide bullet drop compensation
for 183, 274, 366 and 457 m (200, 300, 400 and 500 yd.) using the respective ballistic circles as shown in the gure to the right.
Magnum Velocity – Cartridges with a muzzle velocity of approximately 914 m/s (3000 fps).
We recommend that you zero the rearm at 183 m (200 yd.) with magnum velocity cartridges, this would provide bullet drop compensation
for 274, 366, 457 and 549 m (300, 400, 500 and 600 yd.) using the respective ballistic circles as shown right.
Please note that your rearm may or may not match the information listed for bullet drop based upon the variables listed in this section.