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Nikon Monarch Scope 8420, 3-12x42mm, Side Focus, Matte Finish, BDC Reticle

Nikon Monarch Scope 8420, 3-12x42mm, Side Focus, Matte Finish, BDC Reticle
Item# NIK8420
$449.95

Product Description (click on image above to enlarge)

Flip-open lens covers included !

Nikon Monarch 3-12x42SF Riflescope is high quality riflescope with a variable magnification for a variety of shooting applications. The Monarch 3-12x42SF Riflescope by Nikon features a full 33% more magnification at the high end than a normal 3-9x40 Riflescope. These Nikon Riflescope also have the exclusive Monarch Eye Box technology which combines the features that hunters have always wanted; huge ocular, generous field of view, long and constant eye relief, and maximum light transmission for dawn to dusk brightness and resolution. The Nikon Monarch 3x - 12x 42mm SF Rifle Scope has a locking side focus adjustment, extended mount ring spacing and 1/4-MOA hand turn reticle adjustments.

NIK8420 Nikon Monarch Riflescope Features:

  • Ultra ClearCoat™ Optical System
  • Patented BDC Reticle
  • Monarch Eye Box Technology
  • Smooth Zoom Control
  • Enhanced Mount Ring Spacing
  • Interchangeable Turret Technology
  • One-Piece Main Body Tubes
  • Waterproof, Fogproof, Shockproof
  • Locking Side Focus Parallax Adjustment


NIK8420 Nikon Monarch Riflescope Specification:

Actual Magnification: 3x-12x
Effective Objective Diameter: 42mm
Exit Pupil (mm): 14.0-3.5
Eye Relief (in.): 4.0 -3.7
FOV at 100 yds (ft.): 33.6-8.4
Tube Diameter: 1 in (25.4mm)
Objective O.D. (mm/in): 49.3/1.94
Eyepiece O.D. (mm/in): 44.0/1.73
Length (in): 13.1
Weight (oz): 18.7
Adjustment Graduation (1 click): 1/4 MOA
Max Internal Adjustment: 60 MOA
Parallax setting (yds): 50 - ∞
Finish: Matte
Reticle: BDC


Packed with features like a large eye box, large diameter objective lens and high quality glass, the Nikon Monarch scope gives you the quality you are looking for at a very competitive price.



Nikon BDC reticle standard holdover values are valid at max magnification only. You can print out a holdover table for your specific caliber/bullet that shows the holdover values at all magnifications. To get to the Nikon Spot-On Ballistic calculator, please Click Here. You will want to print out the ballistics table by using the option on the lower left of the Spot-On screen.

Please note Nikon will ask you for some information. They will not send you a bunch of junk email if you click 'No' to their offer. Also, you may have to install the 'Java' program to get the calculator to work.