Vortex 15x56 Diamondback HD Binocular

Model: DB-218

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ON A BRAND NEW Vortex DB-218

MSRP: $369.00 ?


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Focus Type Center
Magnification 15x
Objective Lens Diameter 56 mm
Angle of View 4.4° (Actual)
Field of View 230' @ 1000 yd / 76.36 m @ 1000 m
Minimum Focus Distance 14' / 4.27 m
Exit Pupil Diameter 3.7 mm
Eye Relief 15.6 mm
Interpupillary Adjustment 59 to 76 mm / 2.3 to 3"
Diopter Adjustment Yes

Packaging Info

Box Dimensions (LxWxH) 9.3 x 8.4 x 4.6"
Package Weight 3.36 lb

General Information

Prism Type Roof


Dimensions 7.1 x 5.8" / 18.03 x 14.73 cm
Weight 34.8 oz / 987 g


Water Resistance Waterproof
Fogproof Yes, Argon Filled
Expert Reviews
10 February 2020

The Vortex Diamondback 10x42 also features several other significant advantages. Its transmission is perhaps not exactly impressive, remaining on a level typical for other roof prism devices at a similar price point, but you should emphasize the fact that its graph is very flat.

  • +

    solid, very nice, and ergonomic casing,, negligible astigmatism,, excellent colour reindition,, moderate brightiness loss on the edge of the field,, very clean optics inside the tubes,, good quality prisms made of BaK-4 glass,, lifetime warranty.

  • -

    high chromatic aberration on the edge of the field of view,, significant distortion,, blackening inside the tubes could have been better.

User Reviews
26 December 2020

This is the first pair of decent binoculars I’ve purchased for bird and other wildlife viewing and I love them. Sturdy but not too heavy. Simple to focus and don’t have to do much adjusting while I’m using them. Recommend for beginner who doesn’t want to go broke buying binocs!

  • +

    Value & clarity, Sturdy, ideal for wildlife

  • -

    nothing - it is about perfect for its purpose, None

6 May 2019

I havent used these very much yet but so far I love them. I brought them on a recent hiking trip and was very impressed with the quality. Cant wait to use these next hunting season.

6 August 2018

I have absolutely zero complaints about these binos. There's no need to get a more expensive brand unless you're wanting a greater magnification. No issues with glares, fog, moisture build up and design.

24 February 2021

Plan on using these binoculars for hunting. They are light weight, compact, and very clear. They will come in handy for long range viewing. I recommend these binoculars for any serious hunter, or beginners. You can’t go wrong by purchasing Vortex optical.

  • +

    Value & clarity, Sturdy, ideal for wildlife

  • -

    nothing - it is about perfect for its purpose, None

28 February 2017

I have a pair of Vortex 15x50 which I love and a pair of Zeiss 10x42 which I also love. I use both pairs frequently as an avid birder, but when I wanted to find a pair to keep in the car for those moments one always wished they had a pair with them but didn't remember to grab the ones in the house,...

14 March 2018

I've had a pair of Vortex Diamondback 10 X 32 binoculars for 4 years, and use them for deer, elk and turkey hunting as well as monthly Audubon Society bird-watching walks. The clarity, color rendition are exceptional for glasses of this size.

29 November 2019

Great binoculars for the price! They are clear and gather light well. Was able to see good details when spotting deer and birds. Not too heavy to use all day finding game in thick brush. I would recommend them for any type of hunting. Easy to hold steady.Tim

  • +

    Very bright images in low light, Good glass, great price, neck strap and case included.

  • -

    A few ounces heavier, None

26 December 2016

Well priced and very clear. Replacing my old safari binoculars. Did a lot of reviewing and am very pleased that I bought the Diamondback 10 x 42

30 December 2017

I couldn't be happier with this purchase. The fit and finish of these binoculars is excellent. Great field of view, clear and crisp (no focus issues) and easy to adjust (no slop in the center focus wheel).

24 February 2021

Super binocular for the price - highly recommend! Very clear and crisp viewing. Easy adjustment. Caps appear durable. Would use these for any type of sporting activity. Have many Vortex products and these don't dissapoint.

  • +

    Value & clarity, Sturdy, ideal for wildlife

  • -

    nothing - it is about perfect for its purpose, None

Product Highlights
  • High-Definition ED Optical System
  • Dielectric & Phase-Corrected Roof Prisms
  • Fully Multicoated Optics
  • Wide 64.5° Apparent Angle of View
  • Argon-Filled Water & Fogproof
  • Scratch-Resistant ArmorTek Lens Coatings
  • Lightweight & Strong Magnesium Chassis
  • GlassPak Binocular Harness/Case
  • Uni-Dapter Tripod-Mounting Adapter
  • Twist-Up Rubber Eyecups
Average Expert Score
Average User Score
In The Box
  • Vortex 15x56 Diamondback HD Binocular
  • Vortex Uni-Daptor Binocular Tripod Adapter
  • Vortex GlassPak Binocular Harness (Tan)
  • Neck Strap
  • Rainguard Eyepiece Cover
  • Tethered Objective Lens Covers
  • Lens Cloth
  • Limited Lifetime Warranty
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