Sigma EX 50mm f/2.8 macro DG Lens

Last updated (18 April’10):
- Review by ePhotozine

Sigma 50mm f/2.8 EX DG is a standard lens. The lens features 50mm at focal length with maximum aperture of f/2.8. The lens construction has 10 elements in 9 groups and has diagonal angle of view at 46.8 degrees. Closest focusing distance at 7.4 inches and has a filter size of 55mm. The Sigma 50mm f/2.8 EX DG lens weighs 11.3 ounces and it measures 2.8 inches in diameter and 2.6 inches long.

Sigma 50mm f/2.8 EX DG
Overall Rating: ★★★★½ | Latest Price Info

Expert Reviews

Sigma 50mm f/2.8 EX DG Reviews

ePhotozine reviews the Sigma 50mm f/2.8 EX DG and writes;
“he quality it is able to produce when stopped down is excellent, and although it doesn’t have many of the bells and whistles of more expensive lenses, such as image stabilisation or silent focusing, with care it can still take great pictures.”
Rating: ★★★★☆

SLRGgear reviews the Sigma 50mm f/2.8 EX DG and writes;
“This macro lens is specially coated to get the best color balance while cutting down ghost caused by reflections from the digital image sensor. This lens provides the utmost correction against lateral chromatic aberration which is a serious problem for digital SLR cameras. “
Rating: ★★★★½

Ephotozine reviews the Sigma 50mm f/2.8 EX DG and writes;
“chromatic aberration is not detected anywhere across the frame or throughout the aperture range so corrections are good, as they should be for a prime lens and the DG coating on the rear element eliminates any light bouncing around the mirror box.”
rating: N/A

Photodo reviews the Sigma 50mm f/2.8 EX DG and writes;
“The parameters that affect a lenss quality are manifold but the one that has the most significance visually is that of contrast. The contrast on this lens is excellent. Contrast however, is no good without resolution and again, this lens reaches very high standards. “
rating: N/A

User Opinions

Sigma 50mm f/2.8 EX DG User Reviews

Sharp Portrait Lens, Fast, w/ Macro, | Rating: ★★★★☆
“This Sigma 50mm f/2.8 prime lens is very sharp. I use it as a portrait lens on my cropped DX sensor camera (eq. 80mm on a full frame FX sensor). It also works great in low light. “ – by ROLLIN MCCARTY

Great lens, | Rating: ★★★★★
“Great lens, If close ups are what you are looking this is the lens. Amazing color and sharpness Very well made.” – by Glee

Great lens for the money | Rating: ★★★★★
“I recently purchased a Sony A300 and was looking for an affordable lens for photographing plants and flowers close up as the kit lens that came with the camera is unsatisfactory for macro photography. I chose the Sigma 50mm F/2.8 EX DG Macro and have found that I made a very good choice.” – by R. Hall

Great Image Quality, TERRIBLE Autofocus, | Rating: ★★★★☆
“I have had this lens for a couple of months now, and the image quality is outstanding. However, when in autofocus mode, the lens searches and searches for focus and is unable to lock.” – by droppedbeat

Great Detail .. Affordable Price, | Rating: ★★★★★
“Bought this lens to assist in Small Product Photography. Since depth of field is normally limited in Macro Photography, the ability of this lens to stop down to F45 was crucial. The result was fine detail and color reproduction to the point where I could see my finger prints on the bezels of the watches.” – by Donald F. West

Surprise, | Rating: ★★★★☆
“As a Canon user I search for Prime Lenses, Canon or others. As I use both Camera bodies S and full frame, I find the field quite large. My research has found few really fine lenses; this Sigma 50mm is a keeper.” – by Shutterbug

Love it! | Rating: ★★★★★
“This lens is wonderful– the look and feel are good, and it takes GORGEOUS photos both close-up and otherwise. I’ve simply been using manual focus for close-up shots, but I’ve been very surprised at how fast the AF is (with the limitor switch on). It really is almost instantaneous, which is awesome.” – by Marcy Hogan

Great first macro lens, | Rating: ★★★★★
“It works great and is super easy to use. I love that it comes with a hood… I have a Sigma 35mm camera and it has rock solid construction. This lens matches that same quality.” – by E. Islo

More user opinions | Write your opinion


Sigma 50mm f/2.8 EX DG Sample Photos

- Sigma 50mm f/2.8 EX DG Sample Photos @
- Sigma 50mm f/2.8 EX DG Sample Photos @
- Sigma 50mm f/2.8 EX DG Sample Photos @
- Sigma 50mm f/2.8 EX DG Sample Photos @
- Sigma 50mm f/2.8 EX DG Sample Photos @
- Sigma 50mm f/2.8 EX DG Sample Photos @

Features & Specifications

Sigma 50mm f/2.8 EX DG Specifications

Sigma launched its first standard 50mm macro lens in 1990, and followed it up with an improved model in 1998. The advent of digital SLR cameras, however, required updated optical technology and a better imaging performance. Enter the latest incarnation of the 50mm macro lens, with an improved design that corrects for various aberrations. Designed exclusively for Nikon SLR cameras, this macro lens is specially coated to get the best possible color balance while cutting down on ghosting caused by reflections from the digital image sensor. The lens also includes a floating focusing system, which allows you to precisely photograph objects throughout the entire focusing range. Most importantly, this standard macro lens makes it possible to enjoy better communication with your subject. When viewing through the camera’s finder, you’ll be able to move the subject and make precise adjustments. For example, the lens offers a close working distance of 7.4 inches, making it extremely convenient to take close-up pictures of a fossil or other inanimate objects.

Other details include a minimum aperture of f/32 that provides a greater depth of field than most lenses, a screw-in lens hood that makes it easy to attach circular polarizing filters, and a 46.8-degree angle of view. All Sigma lenses carry a one-year warranty.


* Focal length: 50mm
* Maximum aperture: f/2.8
* Lens construction: 10 elements in 9 groups
* Angle of view: 46.8 degrees
* Number of diaphragm blades: 7
* Minimum aperture: f/32
* Minimum focusing distance: 7.4 inches
* Maximum magnification: 1:1
* Filter size: 55mm
* Corresponding mount: Nikon
* Dimensions: 2.8 inches in diameter and 2.6 inches long
* Weight: 11.3 ounces
* Warranty: 1 year

See also: Lens Reviews | Sigma Lenses

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