Sigma 28mm f/1.8 EX DG Aspherical Macro

Last updated (23 May’11):
- Review by Lenstip

The Sigma 28mm f/1.8 EX DG Aspherical Macro features 28mm at focal length with maximum aperture of F/1.8. The lens construction has 10 Elements in 9 Groups and has diagonal angle of view at 75.4 degrees. Closest focusing distance at 20 cm/7.9 in and has a filter size of 77mm. The Sigma 28mm f/1.8 EX DG Aspherical Macro lens weighs 17.6 Ounces and it measures 3.3 inches in diameter and 3 inches long.

Sigma 28mm f/1.8 EX DG Aspherical Macro
Overall Rating: ★★★★½ | Latest Price Info


Expert Reviews

Sigma 28mm f/1.8 EX DG Aspherical Macro Reviews

SLRGear reviews the Sigma 28mm f/1.8 EX DG Aspherical Macro and writes;
“There’s a lot to like about the Sigma 28mm ƒ/1.8 – while it doesn’t offer its best results for sharpness or corner shading when used wide open at ƒ/1.8, especially on full-frame, it’s actually fairly decent. “
rating: N/A

Lenstip reviews the Sigma 28mm f/1.8 EX DG Aspherical Macro and writes;
“The lens will perform well as a standard lens on a small sensor. The problems is that when you own a reflex camera with such a detector you’d rather think about a Sigma 1.4/30 which is faster and its optical properties – better. “
rating: N/A

User Opinions

Sigma 28mm f/1.8 EX DG Aspherical Macro User Reviews

Superb, with some reservations | Rating: ★★★★☆
“The Sigma 28mm f/1.8 EX is an excellent lens from an optical standpoint. On digital and film SLRs from Nikon, I was always quite impressed with the optical quality. Even wide-open at f/1.8, it is roughly as good as the Nikkor 50mm f/1.8, which is somewhat low in contrast, but still resolves quite a bit of detail on the focal plane. Stopping down a stop or two, like with most lenses, really brings out the contrast and sharpness, and this lens delivered quite wonderfully, matching the famous 28/2.8 AIS Nikkor for sharpness both up-close and at infinity.” – by R. Marotz

Very versatile, good colors and bokeh. | Rating: ★★★★★
“Since I’ve purchased this lens it has hardly left my K110D body. A bit soft wide open but if low light cannot be worked around it’s better than the alternatives (flash, motion blurr). Beautiful colors and especially good transition from in-focus to out-of-focus areas. I bit bulky but I knew this a priori and I quite like it now compared to lighter lenses. Seems well built and focusing is very smooth. “ – by N. Savoiu

Great lens for Canon XT and 40D | Rating: ★★★★★
“For the price this Sigma 28mm f/1.8 prime is a great deal. It allows you to take really creative shots in low light and does a decent job at macro photos (nowhere near as good as a dedicated macro lens, but its ok). Had some focusing issues on the first lens I got but on the second unit (after returning the first one) it was perfect. Its 1/2 the price of the Canon 28mm prime, but does 90% as well. However, it has loud focusing and is a bit slower.” – by O. Louie

BEST WIDEANGLE LENS I HAVE USED | Rating: ★★★★★
“This lens is awesome. I wanted a wideangle for shooting indoor low light. This filled that void and then some. I wasnt satisfied with the idea of getting a f/2.8 wideangle lens for shooting indoors. I wanted something faster, then I stumbled up on this lens. I could not find many reviews, but I figured Sigma was a good brand, and anyways the lens turned out to be fantastic. I use it primary for indoor shooting and for situations where I need a wider angle of view. “ – by S. Perez

Excellent Alternative to Canon 28mm 1.8, | Rating: ★★★★☆
“I bought this lens a week ago for about 190 less than the Canon version, and was initially disappointed. low aperture at wide angle has a very narrow depth of field, and often the pics would come out blurry or soft, but that’s not the issue with the lens. I then compared this lens with Canon 50mm 1.4 that i owned, and at 1.8, both lenses showed nearly identical image quality in low-light, in aperture priority mode. but then i set my canon 40D to P mode and then started shooting outside in broad daylight, and the image quality is very comparable to canon 50mm. “ – by Tom

EXCELLENT lens. | Rating: ★★★★★
“This is currently my favorite lens in my modest collection. Optical quality is very high, even wide open at f/1.8 – super sharp, great contrast, good color redition. It’s fast enough to get good shots indoors. At 28mm, it’s a perfect normal focal length on DX format DSLRs.” – by J. Tyson

More user opinions | Write your opinion

Features & Specifications

Sigma 28mm f/1.8 EX DG Aspherical Macro Specifications

Features minimum focusing, down to 20cm/7.9inches (reproduction ratio 1:2.9). The iris diaphragm has 9 diaphragm blades to obtain beautiful out of focus image. It incorporates the floating focus system and the use of two aspherical lens elements to minimize distortion, spherical aberration and astigmatism. The lens incorporates minimum vignetting optical construction in order to obtain adequate peripheral brightness with open aperture. Internal focus system of the lens eliminates front lens rotation, thus allowing the use of a Perfect Hood and easy use of polarizing filters.

The lens also incorporates a dual-focus mechanism. It is easy to hold the lens, since focusing ring does not rotate during auto-focus, and yet provides adequate torque of the focusing ring during manual focusing of the lens. The lens materials used in this lens are lead and arsenic free ecological glass.


See also: Lens Reviews | Sigma Lenses





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