Home Donate New Search Gallery How-To Books Links Workshops About Contact Sigma 8-16mm f/4.5-5.6 Intro Specifications Performance Compared Recommendations Sigma 8-16mm f/4.5-5.6 DC HSM, Nikon AF-S G version (also comes in Canon EOS, Sony, Maxxum, Pentax and Sigma mounts, takes no filters, 19.6 oz./554g, 0.8'/0.24m close focus, about $700). enlarge. The biggest source of support for this free website is when you use these links, especially this link directly to this lens at Adorama and at Amazon when you get anything. Thank you! Ken.
September 2010 Nikon Reviews Canon LEICA Pentax
Ideal for: Interiors and real estate. As of late 2010, the world's widest lens for mini-format DSLRS (Nikon DX, Canon 1.6x, etc.).
Not for: Cannot use any filters, either grads to tame difficult lighting or for protection. (Sigma's 72mm filter claim is false.) Will not cover film or FX, except at 16mm.
Good News: Very sharp.
Bad News: Iffy, noisy, rattley autofocus. Even the tiniest spec of dust on the unprotected front element shows in your image due to the unlimited depth of field. Manual focus turns the wrong way on Nikon!
Introduction top Intro Specifications Performance Compared Recommendations
This Sigma 8-16mm lens has super-sharp optics, but its mechanics and autofocus lag a bit behind Nikon and Canon. This is a great lens for realtors shooting their own listings because it makes interiors seem far larger and more spacious than with any other lens, and no software fiddling is required to show huge angles. I am addressing the Nikon version here. You may make the usual inferences when used on different camera brands.
With the Nikon version, everything works perfectly on every DX Nikon, especially Nikon's cheapest digitals like the D40, D40x, D60, D3000, D3100 and D5000. Forget it on film or FX: it only works at 16mm; the edges go black at wider settings. If you get one for use on DX and want to pop it on your F6 or N80 for the occasional grab shot, go for it, but don't get one of these exclusively for film or FX (get a real FX ultrawide instead). See Nikon Lens Compatibility for details with your camera. Read down the "AF-S, AF-I," and "G" columns for this lens. You'll get the least of all the features displayed in all columns, since "G" (gelding) is a handicap which removes features. Sigma 8-16mm f/4.5-5.6 DC HSM. enlarge.
Specifications top Intro Specifications Performance Compared Recommendations
Name top Sigma calls this the Sigma 8-16mm f/4.5-5.6 DC HSM. DC: Vignettes horribly on film, FX or Canon 1.3x cameras. HSM: Hyper Sonic (autofocus) Motor.
Optics top 15 elements in 11 groups, certainly with some aspherics.
Diaphragm top Sigma 8-16mm f/4.5-5.6 DC HSM at f/22. enlarge. 7 straight blades, not particularly even. Stops down to f/22-29.
Coverage top Mini-DSLR only: Nikon DX, Canon 1.6x and similar or smaller, like Sigma.
Focal Length top 8-16mm. When used on a DX camera, it gives angles of view similar to what a 12-24mm lens gives when used on an FX or 35mm camera. On a Canon 1.6x camera, gives angles of view similar to what a 13-26mm lens gives when used on a full-frame camera.
Angle of View top 114.5° - 75.7° on DX.
Close Focus top 0.79 feet (0.24m).
Maximum Reproduction Ratio top 1:7.8
Hard Infinity Focus Stop? top No. You have to hope the occasionally flaky AF system gets focus at infinity.
Focus Scale top Yes. Barely legible: the feet and meters scales are both in the same dim white.
Depth-of-Field Scale top No, but almost everything is always in focus anyway.
Infra-Red Focus Index top No.
Aperture Ring top No.
Filter Thread top None. There is a 72mm thread in the cap sleeve, but you can't shoot with that attached because you get severe vignetting at every setting.
Vibration Reduction (VR) top None.
Size top Sigma specifies 4.16" (105.7mm) length by 2.95" (75mm) diameter, in Sigma mount.
Weight top 19.550 oz. (554.2g), measured by me in Nikon mount (21.332 oz. (604.75g) with caps). Sigma specifies 19.2 oz. (545g) in Sigma mount.
Hood top None; the metal petals are to protect the glass.
Caps top Capped Sigma 8-16mm. There is no front cap. Instead, Sigma supplies a tight-fitting sleeve, and a 72mm cap for that sleeve. Sigma expects you to slide the sleeve over the lens, and then attach a 72mm cap. This works poorly, since the sleeve is tight and undoubtedly will scrape-up the black paint on the front of the lens with use. Yes, the inside of the sleeve is felted, but it's so tight that I don't expect your paint to look good for long. I'd leave the 72mm cap and sleeve in the box, and use an extra-small $13 LensCoat Hoodie instead. Likewise, leave the dinky Sigma rear cap in the box, and use a real $9 Nikon rear cap instead.
Case top Case, Sigma 8-16mm. Sigma includes a nice-feeling case. It's not really a custom fit, so the lens flops around inside.
Made in top Japan.
Announced top February 2010
Price top $700, USA, September 2010.
Packaging top Box, Sigma 8-16mm. Black corrugated cardboard box, lens in plastic bag inside case inside box. Paperwork outside case, serial number shows through peephole.
Performance top Intro Specifications Performance Compared Recommendations Overall Focus Distortion Ergonomics Falloff Filters Ghosts Color Fringes Maximum Aperture Mechanics Peripheral Color Shift Sharpness Sunstars
Overall performance top The Sigma 8-16mm f/4.5-5.6 DC HSM has great optics, in a questionable electromechanical package.
Focus performance top AF Speed AF is slow, as ultrawides go. AF is also noisy and has perceptible vibration as it rattles along. This is not a Nikon or Canon lens! In dim light, it often won't focus at all, even with an excellent AF illuminator like the one in the Nikon D300. Even in broad daylight it sometimes won't focus, so take your finger off the shutter, tweak the manual focus ring, and try again.
AF Accuracy AF seems right-on, but with ultrawides, everything is always in focus anyway.
Manual Focus Manual focus is horrible because it turns the wrong way on Nikon. Sigma was too cheap to make it go the correct way, since they share parts with the Canon model. Worse, since everything is pretty much in focus at every setting anyway, God bless you if you can see anything through the finder to achieve any sort of manual focus. Zone-focus won't work, because you'll always be setting a foot when you want infinity, and vice-versa. Infinity has no stop, so you can't set it there by feel either.
AF - M Switch Sigma does this better than Nikon: it is correctly marked AF and M. Grab the focus ring at any time for instant manual focus override.
Focus Shift while Zooming? I didn't notice any significant focus shift while zooming. Heck, you could set it to Manual Focus, tape the ring at about 10 feet, and never worry about autofocus again! This short lens has huge depth-of-field!
Distortion performance top The Sigma 8-16mm f/4.5-5.6 DC HSM has a lot of barrel distortion at 8mm, and pincushion distortion at 16mm This can be somewhat corrected by plugging these figures into Photoshop's lens distortion filter. These aren't facts or specifications, they are the results of my research that requires hours of photography and calculations on the resulting data.
© 2010 KenRockwell.com. All rights reserved. * Waviness remains. This table gets the edges sort of straight. The complex signature of the 8-16mm means that if you're photographing brick walls, the outsides distort even more than the center of the image, so use +5 instead of +7 at 8mm, otherwise the center will appear pinched. In other words, the center distorts differently than the sides, so you'll need something like a module for DxO if you demand perfection. If distortion worries you, shoot at about 14mm, or use the Nikon 10-24mm, which has somewhat less distortion.
Ergonomics (handling and ease-of-use) performance top Sigma 8-16mm f/4.5-5.6 DC HSM. Except that manual focus runs backwards and that the focus scale uses the same dim white for both feet and meters, ergonomics are great.
Falloff (darkened corners) performance top Falloff on DX isn't a problem, except wide-open at the widest end. It's as expected for an ultra-ultra wide: moderately strong wide-open at the wide end, and moderate stopped down. I've exaggerated this by shooting a gray field and placing these on a gray background.
Filters, use with performance top There is no way to use filters. There is a ring that slips over the front and holds 72mm filters, but it makes the images just circles against black! You might be able to tape a gel over the rear, but good luck as you'll have to attach it to the rear black index ring (on Nikon). Try double-sided tape. The rear group stays inside the rear black ring.
Ghosts performance top If you put the direct disk of the sun in your image and look around in the dark areas, you'll usually see one small green or red blob. Even though Sigma warns about the potential for ghosts due to the crazy wide angle of this lens, I'm impressed: it's very good.
Lateral Color Fringes performance top There are little to no lateral color fringes on the D300 or D3, which would correct them if the lens had any. Looking at outlines of trees in the corners sometimes there is just the slightest hint of red or blue, but as we expect on Nikon which automatically corrects them, it's not a significant problem. It might be on Canon.
Maximum and Minimum Apertures Performance top
Mechanics and Construction performance top Sigma 8-16mm f/4.5-5.6 DC HSM. enlarge. The Sigma 8-16mm f/4.5-5.6 DC HSM is one of Sigma's better lenses, meaning still not as good as Nikon or Canon's cheaper lenses. It's made of metal and plastic on the outside, but I never trust Sigma lenses not to break on me out in the field, which is why I don't own any Sigma lenses.
Forehood Metal, with freaky fuzzy black sparkle paint.
Midbarrel Plastic, with freaky fuzzy black sparkle paint.
Rearbarrel Unpainted plastic.
Focus Ring Plastic; rubber covered.
Zoom Ring Plastic; rubber covered.
Focus Helicoids Feel more like a geartrain.
Depth-of-Field Scale None.
Internals Who knows?
Aperture Ring None.
Mount Some sort of shiny turned metal. Sort of gritty rotating home on Nikon, not smooth like better lenses.
Markings Paint.
Identity Paint on barrel.
Serial Number Sticker on bottom rear of barrel.
Ass-Gasket (dust seal at mount) No.
Noises When Shaken Very mild clicking.
Made in Japan.
Peripheral Color Shift performance top Most ultrawide lenses shift color balance towards blue in the corners. This Sigma does none of that, probably due to its coatings which appear to change color to compensate with angle. Bravo!
Sharpness performance top Warning 1: Image sharpness depends more on you than your lens. Warning 2: Lens sharpness doesn't mean much to good photographers. With those caveats, the Sigma 8-16mm f/4.5-5.6 DC HSM is a very, very sharp lens. It's sharp at every setting and aperture, with only the sides at 8mm a little bit softer than other settings. Even then, the Sigma 8-16mm is still sharp wide-open at 8mm. I've come to expect this in the 2010 decade: lenses today are just about perfect optically; this isn't the 2000s anymore.
Sunstars performance top Since this small-format lens is only shot on digital, which has limited highlight dynamic range, sunstars are rarely seen. If they are, they are not particularly symmetrical 14-pointets tars.
Compared performance top Intro Specifications Performance Compared Recommendations This Sigma is as sharp as the Nikon 10-24mm. The Nikon 10-24mm and Nikon 12-24mm are better made, focus better, have less distortion, and offer the ability to use standard 77mm filters, but they don't go to 8mm. The Tokina 11-16mm is also much better made than this Sigma.
Recommendations top Intro Specifications Performance Compared Recommendations The Sigma 8-16mm f/4.5-5.6 DC HSM is the lens to get if you need the absolute widest possible lens on mini-format DSLRs. I own the Nikon 10-24mm because I prefer its quality, focusing, mechanics and ability to use filters over the 8mm versus 10mm widest setting, and of course the Nikon 10-24mm covers a broader zoom range to 24mm instead of 16mm. I'm not a fan of this Sigma's inability to use filters, questionable mechanics and balky autofocus, however its optics are excellent (all be they often distorted). If you're a whiner, be prepared for AF that doesn't always focus, and a lot of barrel distortion at 8mm. If you're not as afraid of Sigma as I am (I'm funny about quality) and you need the widest possible lens, by all means, get this Sigma. Its images are excellent! I'd leave the 72mm cap and sleeve in the box, and use an extra-small $13 LensCoat Hoodie instead. Likewise, leave the dinky Sigma rear cap in the box, and use a real $9 Nikon rear cap instead.
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02 September 2010