New! Video Chat Connect with a Photography Expert – Live

Sigma 4.5mm f/2.8 EX DC HSM Circular Fisheye Lens for Nikon F

BH #SI4528EXDCN • MFR #486-306
Sigma
Sigma 4.5mm f/2.8 EX DC HSM Circular Fisheye Lens for Nikon F
Key Features
  • F-Mount Lens/DX Format
  • 6.75mm (35mm Equivalent)
  • Aperture Range: f/2.8 to f/22
  • One SLD Element
Offering creative distortion and exaggerated perspectives, the Nikon F-mount 4.5mm f/2.8 EX DC HSM Circular Fisheye from Sigma produces a circular image with an expansive 180° angle of view. Benefitting the unique look of the lens is an advanced optical design that utilizes one SLD glass element to reduce color fringing and chromatic aberrations for improved clarity. A Super Multi Coating has also been applied to suppress lens flare and ghosting for greater contrast and color accuracy. Additionally, the lens also features a Hyper Sonic Motor for quick and accurate autofocus performance for working with subjects as close as 5.3" away.
No Longer Available
Trade in your gear for cash: Learn more

True Know-How

Ask Our Experts

800.606.6969

Sigma 4.5mm f/2.8 EX DC HSM Circular Fisheye Overview

Offering creative distortion and exaggerated perspectives, the Nikon F-mount 4.5mm f/2.8 EX DC HSM Circular Fisheye from Sigma produces a circular image with an expansive 180° angle of view. Benefitting the unique look of the lens is an advanced optical design that utilizes one SLD glass element to reduce color fringing and chromatic aberrations for improved clarity. A Super Multi Coating has also been applied to suppress lens flare and ghosting for greater contrast and color accuracy. Additionally, the lens also features a Hyper Sonic Motor for quick and accurate autofocus performance for working with subjects as close as 5.3" away.

Unique 4.5mm f/2.8 circular fisheye lens is designed for DX-format Nikon F-mount cameras, where it provides a 6.75mm equivalent focal length.
Expansive 180° angle of view pairs with the fisheye design to render circular imagery within a black frame. This design also renders scenes with exaggerated distortion and curved lines for a creative, distinct aesthetic.
One SLD glass element is featured in the optical design to reduce chromatic aberrations and color fringing for improved clarity and color accuracy.
Super Multi-Layer Coating has been applied to individual elements to suppress flare and ghosting for improved contrast and color when working in strong lighting conditions.
Hyper Sonic Motor autofocus system, and an internal focus design, offer fast, precise focusing performance for working with subjects as close as 5.3" away.
Rear slot accepts cut gelatin-type filters.

Sigma 4.5mm f/2.8 EX DC HSM Circular Fisheye Specs

Focal Length4.5mm (35mm Equivalent Focal Length: 6.75mm)
Maximum Aperturef/2.8
Minimum Aperturef/22
Lens MountNikon F
Lens Format CoverageAPS-C
Angle of View180°
Minimum Focus Distance5.31" / 13.5 cm
Maximum Magnification0.17x
Macro Reproduction Ratio1:6
Optical Design13 Elements in 9 Groups
Diaphragm Blades6
Focus TypeAutofocus
Image StabilizationNone
Filter SizeGel Filter (Rear)
Dimensions (ø x L)3 x 3.06" / 76.2 x 77.8 mm
Weight1.03 lb / 470 g
Packaging Info
Package Weight1.65 lb
Box Dimensions (LxWxH)5.354 x 4.409 x 3.937"

Sigma 4.5mm f/2.8 EX DC HSM Circular Fisheye Reviews

Excellent product received on time

By Rose Oro
Rated 5 out of 5
Date: 2018-05-23

My�Circular Fisheye Lens arrived at home without damage one day earlier.

it catches all the details

By Anonymous
Rated 4 out of 5
Date: 2014-11-09

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. For instance I photographed this very old tree's roots in the foreground, the mid-ground was full of orange leaves, and the background capture the whole entire tree top. By the way, I was only 10' from the base of this tree. The lens still picked up on a fair amount of detail since its quite sharp, I was honestly surprised by this. It allows you to compose images that encapsulate all of nature's most stunning details. If your not into nature or not willing to go through the trials and tribulations of developing a well composed image its not a good lens for you. On the bright side the auto focus is really quite and silent, so you can do some nice close ups on animals.

The best for APS-C cameras

By Douglas Cunha
Rated 5 out of 5
Date: 2013-05-22

This is the most extreme fish eye lens you can get for a APS-C camera. With a full 180 view, you get a full circular image, like the Sigma 8mm FE on a full frame cmera. Good lens quality. Luminous, fast and an excellent minimal distance of focus.

The best way to change your world!

By Anonymous
Rated 5 out of 5
Date: 2012-12-16

This lens is absolutely glorious... it just transformed my 7D into the best artistic tool I can put my hands on. Thank you Sigma for creating a lens perfectly fitted for me!

Great for Micro 4/3 circular photos (separate adapter ring)

By Anonymous
Rated 5 out of 5
Date: 2017-05-14

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... It seemed like a lost cause until I found a guy that bought this lens and an adapter to get a perfectly circular image in his MFT camera. I bought a Metabones T Smart Adapter (Canon to MFT) that keeps all automated functions, but you can get a more basic and affordable adapter as well, depending on what you want. This lens works on a MFT camera because the circular image is small enough that it does not get cropped. If you buy it for a regular-sized camera, perhaps the image is too small (?), but it worked great for me. The ONLY semi-affordable option for what I needed/wanted.

Fun Lens

By Anonymous
Rated 5 out of 5
Date: 2015-04-12

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

Amazing Lens

By Anonymous
Rated 5 out of 5
Date: 2015-02-09

I've thought about buying this lens for a long time but felt I might not get enough use out of it. When the $ rebate was offered in early January, '15 I ordered it from B&H. While it is an $ investment, the quality of the lens and its casing is excellent. Also, what really sets this lens apart from the cheaper fisheye lenses is that it has both automatic focusing and automatic exposure when paired with a Canon APS camera like my 7D. The edge of the circular image does not have distracting colors as I've seen in some examples of photos taken with cheaper APS camera fisheye lenses. Sometimes I get a thin blue circular edge line in areas where the photo is light, but that is not distracting to me. So far I've mainly concentrated on close-up shots (flowers, a person, etc). I normally use the camera by setting the focus point in dead center, so when I put this lens on the camera, my preferred focus point is set for me. There is little exaggeration of the object in the center, but the circular image and exaggeration of the surrounding areas can give a unique and amazing perspective to the photo. I just have to be sure I don't get my hands or feet in photos -- it's that much of a wide angle. While Sigma does not advertise the fact that a 72 front screw-on filter can be used, s filter can be screwed onto the front of the round lens cover attachment that is sent with the lens when its purchased. The attachment simply is pushed onto the front of the lens and pulled off at will. The image with the attachment and filter is still round, but a bit smaller. I'd recommend using a UV filter, especially if you plan to shoot close-up 'macro' shots. That protects the lens and I'd rather scratch and ruin a B+W filter than the lens itself. Photos can be taken with the edge of the lens (or filter) a mere 1 or so from the object and more than once I've brushed the pedals of a flower while trying to take a photo. Likewise, shooting through a glass window, the glass window almost came in contact with the filter. As the center of the lens protrudes outward, without a filter on it's vulnerable to being hit or scratched by objects. As to exposure readings, the lens will 'see' light coming from all around so it is advisable, when possible, to bracket your exposures. Look at the first image on the back of the camera to see if it's too light, etc and change your setting when necessary. I'd hesitate to use auto focusing by letting the camera choose the focusing point as you'll be getting both near and far in the image in most instances. That's why the center point works for me. Unlike regular 'macro' lenses this lens does not give blurred 'bokeh'. Because of it's wide 4.5mm lens and 180 degree field of view the surrounding far-away areas will still be in substantially in focus and not blurred out. And that's part of the 'fun' of the lens for me. I'm a rather high level amateur photographer, spending a lot of time at the local Zoo taking photos. My go-to lens at the Zoo is a Canon 70-300L IS lens so I can defeat the chain-link and other fencing. The addition of this fisheye lens has allowed me to photograph the Zoo with a new perspective. And while I really like the look of a circular photo, I've also cropped some of the photos taken with this lens in a rectangular or square cropping -- and there has been little or no exaggeration of lines or perspective when I've done that. As to the outside of the photo image, at times, especially when the image is very light around the edge, I can see some of the screw grooves from the lens cap adapter around the image. With Photoshop's 'brush' or 'clone' tools, it has been relatively easy to darken it to black without hurting the image. In short this is a great lens 'investment' when used for special types of photos. I recommend it highly.

A Full Circle and More

By LunaClick
Rated 5 out of 5
Date: 2014-12-28

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. It is used on a crop sensor 60D, 650D, and the new 70D. Seeing the sun and my shadow both in the same frame is amazing!

See any errors on this page? Let us know

YOUR RECENTLY VIEWED ITEMS

question

Does this lens have front filter threads? If so what size? A reviewer has mentioned that this lens can be used with front filters despite the protruding front element.
Asked by: Anonymous
The lens itself, like virtually any fisheye lens, does not have filter threads. This is a matter of the physics in the designing such lenses. The reviewer mentioned that this Sigma Cap Adapter for a Sigma 4.5mm f/2.8 B&H # SICA48672 allows a 72mm filter or lens cap to be mounted. If you go this way, watch out for filter vignetting.
Answered by: Dennis A L.
Date published: 2018-08-27

question

Will an a77ii produce a fisheye effect with this lens?
Asked by: Timothy
Thank you for your interest in Sigma products. Two things that you need to keep in mind. 1- This is a Sony A-mount lens and you 'll need an adapter to use this lens on your Sony A7 (E-mount) camera. 2- This is a DC lens and it's designed to create a circular picture for APS-C size sensor. for your Full-frame camera, I recommend the Sigma DG 8mm Circular Fisheye (which projects a larger circle for larger sensors) withe proper adapter for E-mount): https://<a href= http://www.bhphotovideo.com/c/product/440665-REG/Sigma_485101_8mm_f_3_5_EX_DG.html?sts=pi target= _blank >www.bhphotovideo.com/c/product/440665-REG/Sigma_485101_8mm_f_3_5_EX_DG.html?sts=pi</a>
Answered by: Ebi J. Sigma Expert
Date published: 2018-08-27

question

How will this work with a Panasonic AG AF100?
Asked by: Anonymous
This lens will not be compatible with the AF100 without an adapter as the mount is EF. A MFT to EF adapter would be needed.
Answered by: Dana G.
Date published: 2018-08-27

question

Will this lens work with a Nikon d5300?
Asked by: Michael
Yes of course. this lens will work fine with any Nikon DSLR
Answered by: naftoli g.
Date published: 2018-08-27

question

Compatible with Sony A77II? Or would I need an adapter?
Asked by: Anonymous
The Sigma 4.5mm f/2.8 EX DC HSM Lens for Sony Alpha SLR is compatible with the Sony Alpha a77 II. No adapter is required.
Answered by: Lawrence C.
Date published: 2018-08-27

question

Is this e-mount or a-mount? Is it compatible with Sony a-6000?
Asked by: Kim F.
This is an A mount lens. You can use this lens on the A6000 with an adapter, B&H # SOLAEA4.
Answered by: Heather S.
Date published: 2018-08-27

question

Will this lens work with a Nikon D7100?
Asked by: DJ
Thank you for your interest in Sigma products. The 4.5mm f/2.8 EX DC HSM Lens for Nikon Digital SLR is compatible with the Nikon D7100.
Answered by: Errol D. Sigma Expert
Date published: 2018-08-27

question

What is the part # for the rear lens cap?
Asked by: Anonymous
Sorry to say I do not know that part number! But, that end-cap is exactly the same as all other Canon EOS digital lens rear caps. Any should fit (if what you need is to replace one), so...
Answered by: ROBERT L W.
Date published: 2018-08-27
  • y_2020, m_5, d_1, h_12CST
  • bvseo_bulk, prod_bvqa, vn_bulk_3.0.5
  • cp_1, bvpage1
  • co_hasquestionsanswers, tq_13
  • loc_en_US, sid_535756, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_bhphotovideo
036

Close

Close

Close