Sigma 4.5mm f/2.8 EX DC HSM Lens for Nikon Digital SLR

Model #486-306

USA Version
Sigma 486 306 1
Sigma 486 306 1
Sigma 486 306 3
Sigma 486 306 2
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Weight 1.03 lb (470 g)
Filter thread None
Dimensions (dxl) Approx. 3.0 x 3.1" (7.62 x 7.87 cm)


Minimum focus distance 5.3" (13.46 cm)
Focal length 4.5 mm
Angle of view 180°
Magnification 0.16x
Aperture Maximum: f/2.8
Minimum: f/22
Camera mount type Nikon F
Groups/elements 9/13
Diaphragm blades 6
Format compatibility Nikon DX
FX in DX Crop Mode
Maximum reproduction ratio 1:6


Image stabilization No
Autofocus Yes
Tripod collar No
Expert Reviews
Lenstip com.34355424
24 November 2009

The Sigma 2.8/4.5 is an extremely interesting lens – as befits the first device in its category. It is an excellent instrument to play with photography and you will have plenty of fun if you try to take a portrait of somebody by putting the front element near the nose of your victim.

  • -

    chromatic aberration too high at the very edge.

User Reviews
13 March 2015

This lens captures extremely blurry photos and the depth of field is horrible. It is just impossible to have whole frame in focus (Or may be its an issue with the piece I received). I have just raised a return request to seller.

11 February 2012

This lens is a blast to use taking ordinary scenes and turning them into unique puctures.

  • +

    Clear Optics, Easy To Use, Firm Mount, Strong Construction

Product Highlights
  • Circular Fisheye
In The Box
  • Sigma 4.5mm f/2.8 EX DC HSM Lens for Nikon Digital SLR
  • Front & Rear Lens Caps
  • Lens Hood
  • Lens Case
  • Limited 1-Year North and South America Warranty Against Manufacturing and Workmanship Defects.
  • Limited 3-Year U.S.A. Extended Warranty Extension Against Manufacturing and Workmanship Defects.
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