You want one lens that will address your day-to-day shooting challenges, provide outstanding sharpness and clarity, and still make it possible to slip your Samsung NX Series camera in your windbreaker's pocket? The Samsung EX-W20NB should be your first choice. With a useful 30.8mm equivalent focal length and a light-gathering f/2.8 aperture, it's perfect for indoor shooting and candid snapshots. This lens features Samsung's intuitive i-Function button, which allows you to access manual camera adjustments with a simple twist of the lens. Adjust your shutter speed, aperture and more while previewing the changes in real-time.

Product Highlights:

  • 20mm f/2.8 "normal" field-of-view lens with 35mm equivalent of 30.8mm
  • compatible with Samsung NX Series digital cameras
  • ultra-compact "pancake" profile construction keeps Samsung NX cameras even slimmer and easier to carry
  • convenient i-function button gives instant access to manual settings with a twist of the lens
  • minimum focus distance: 6.7"
  • minimum aperture: f/22
  • seven circular-aperture diaphragm blades for smooth background defocusing
  • filter/attachment size: 40.5mm
  • lens is 2-1/2" in diameter and 1-1/4" long
  • weight: 2.57 oz.
  • warranty: 1 year
  • Our 60-day money-back guarantee
Supplied Accessories:
  • front and rear lens caps
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Hands-on research

What's in the box?

Download owner's manual

  • 20mm F2.8 NX lens (black)
  • 43mm Lens cap (black)(installed)
  • Rear lens cap (installed)
  • Lens pouch
  • User Manual (11 languages)
  • After-Sales Service Guide

Features and Specs

Brand Compatibility Samsung
Image Stabilization No
Focal Length 20mm
Maximum Aperture F2.8
Weight 2.57 ounces
Parts Warranty 1 Year
Labor Warranty 1 Year

Product Research


Samsung NX-mount: The Samsung 20mm F2.8 lens has the Samsung NX-mount. It is compatible with Samsung's NX-series of interchangeable lens cameras, including NX1000 and NX300.

Special i-Modes: The lens is compatible with special "i-modes" found in some NX-series camera. The Fn (Function) button found on the lens barrel activates the modes, which vary by camera model:

  • i-Depth: You can adjust the depth of field on the lens
  • i-Function: In P, A, S, or M modes, you can manually select and adjust shutter speed, aperture value, exposure value, ISO sensitivity, and White Balance on the lens
  • i-Zoom: You can zoom in on a subject with less degradation of the photo quality than the digital zoom.
  • i-Scene: You can select an appropriate scene mode and filter effect with the lens. Available modes and effects include Beauty Shot, Portrait, Children, Backlight, Landscape, Sunset, Dawn, Beach & Snow, and Night.


  • Focal Length: 20mm (35mm equivalent: 30.8mm)
  • Construction: 6 elements in 4 groups (including 1 aspheric element)
  • Angle of View: 70.2°
  • Aperture: F2.8 (Maximum), F22 (Minimum)
  • Maximum Magnification: 0.18x
  • Minimum Focus Distance: 6.69"
  • Filter Size: 43mm
  • Dimensions: Diameter=2.439", Length=1.203" (1.671" w/caps)
  • Weight: 2.57 ounces

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.