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
User Reviews
B h photo.34921152
14 May 2017

I work in archaeoastronomy and was looking EVERYWHERE for a perfectly circular lens for my Micro 4/3 camera. I looked for 4 days and all I found were lenses that cropped the images (so, a no go for me) and one lens that was over $3,500...

24 September 2017

It's weird and wonderful, as a fish-eye should be. This is a solid lens offering from Sigma. In spite of the enormous depth-of-field that is inherently available in such a lens, auto-focusing is a useful thing.

B h photo.34921152
23 May 2018

MyCircular Fisheye Lens arrived at home without damage one day earlier.

10 April 2018

Fantastic lens. One of the best fisheyes I've owned and some of my others have been far more expensive.

27 January 2017

Fantastic lens. For an idea of what this lens can do, go on any of the picture social websites.

B h photo.34921152
12 April 2015

This is a fun lens to play with. I have enjoyed making funny pix of family with it. Also fun for nature scenes.

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.

20 January 2015

Like the lens, but it took a LONG time to get it.

B h photo.34921152
28 December 2014

This Sigma 4.5mm was bought for night star shots, horizon to horizon, and it does that indeed. In other uses, if one can keep one's feet out of the frame, it is wonderful for cityscapes. A walk in the park can be almost magical with this real fisheye.

B h photo.34921152
9 November 2014

So I work a lot and photography is my tool for reminding I'm a much more interesting person outside of my work. I was a paid photographer at one point, maybe I might do it professionally in future. So I was interested in this lens since I could finally get this effect on my smaller sensor camera.

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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