Nikon Prostaff 5 4.5-18x40 SF FFP Matte BDC Riflescope

Item No. 01820816367
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Product Description


Nikon's PROSTAFF 5 Riflescope with BDC Distance Lock function has an optical system located in the first focal plane which allows the riflescope to maintain its scale and distance proportion on a target throughout the entire zoom range. The greatest benefit of these new BDC Distance Lock-equipped riflescopes will be for those who use Nikon's Spot On™ Ballistic Program and BDC reticles to compensate for bullet drop at extended ranges

Up until now all of Nikon's riflescopes have been in the second focal plane which means that as shooters zoom from the lowest magnification to the highest the reticle appears the same size in your field-of-view but is changing size in relation to your target. For Spot On users this has meant that the aiming points provided by the popular ballistic app have been specific to one magnification (typically the highest power).

With the new BDC Distance Lock function that keeps everything in the first focal plane the aiming points provided by the Spot On application will be the same regardless of what magnification the riflescope is set at. This is made possible because with a first focal plane riflescope the reticle stays the same size in relation to your target.


Multiple layers of anti-reflective compounds on every glass surface provide bright vivid sight pictures and optimum light transmission from dawn to dusk.

To simplify field adjustments the riflescope features Spring-Loaded Instant Zero-Reset turrets. It also has a comfortable eye relief smooth zoom control and is Nitrogen purged and O-Ring sealed for complete waterproof fogproof and shockproof performance.

The PROSTAFF 5 like all of Nikon's riflescopes is optimized for use with Nikon Spot On™ Ballistic Match Technology. The Spot On program provides users with exact aiming points on the BDC reticle for any load or ammunition at a specified range.  Spot On is free online at and is now free for mobile devices including the iPhonereg; iPadreg; and Android™ platforms.

Nikon riflescopes are covered by Nikon's Limited Lifetime Warranty. If any Nikon riflescope is found to have defects in workmanship or materials we will at our option repair or replace it at no charge.

  • Magnification: 4.5-18 x
  • Objective Diameter: 40 mm
  • Exit Pupil: 2.2 -8.9 mm
  • Field of View: 5.6-22.4  ft@ 100 yds
  • Tube Diameter - Other: 1 in
  • Eye Relief: 4 in
  • Eyepiece Outside Diameter: 44 mm
  • Weight: 17.1  oz
  • Overall Length: 13.6  in
  • Adjustment Graduation - Other: 1/8 in
  • Max Internal Adjustment: 40  MOA
  • Parallax Setting - Other: 50 yds - ∞
  • Side Focus: Yes
  • Waterproof/Fogproof: Yes
  • Spot On Custom Turret: Yes
  • Matte Finish: Yes
  • Use: Centerfire Short/Mid Range 
  • Centerfire Long Range
  • Reticle: BDC

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