Sigma 50mm 1.2 Art Lens Review

Sigma recently launched the new 50mm F/1.2 DG DN Art lens for the Sony and the Panasonic mount. Now this is a DG DN lens which means it is for the full frame sensor and these lenses can be used on the Sony’s E-mount and the Panasonics L-mount as well. The MRP for this lens is Rs. 1,33,000, but it can be available for around Rs. 1,17,000 lacs at street price. That is a considerable discount as compared to the other lenses in the same segment. And at this price, the Sigma 50mm becomes a very interesting lens. 

Look Body and Feel

In terms of the look, body and feel, at first glance the lens looks sturdy, well-built and also pretty light. Infact it is only weighs 745 gms and being an art lens it comes with weather sealing and a metal mount. The lens is also different as compared to the usual lenses of today and features a host of buttons. I also love the shiny A on the lens denoting that this is the Art lens.

At the front you have a 72mm filter diameter and in terms of the buttons it has the focus ring, the aperture control ring, a lock, autofocus and manual buttons and also a click and de-click button as well. And you can tell that a lot of thought has gone into the details as you turn the aperture dial around to hear its click sound. There’s a different level of satisfaction from that sound, which can only happen if there has been a lot of attention paid to it.. The lens hood also has a familiar design with the unlock button to it, which has been part of the Sigma Art lens design. 


Shooting with a 1.2 prime lens is always exciting because it can open really wide and with this lens as well, much like the other Art lenses that Sigma has, the performance is really good. The images are really sharp, very detailed and are able to deliver a pleasing performance that’s impossible to miss. Now as you might know that usually these lenses are always sharp on the centre and slightly soft in the corners. But in this case the lens displayed good sharpness in the corners as well which was good to see. 

The focusing is also very fast and you will hardly find it hunting under most conditions. Even in lowlight conditions I found the autofocusing to perform pretty well. 

Bokeh Performance

Another advantage that a prime lens gives you is the ability to get some great portraits and bokeh performance. For this lens, Sigma has used a 13-blade rounded diaphragm, which helps with delivering nice rounded bokeh’s. And in terms of performance, we found nice circular bokeh at the centre and cats eye in the corners. The portraits and the depth to the subject also look really good and using this lens really reminds me of why I like prime lenses so much. 

Chromatic Aberration 

When we checked the lens for chromatic aberration then it gave a CA value of 0.22 pixels through the quick MTF software, which is a pretty good CA value.

Flaring and Ghosting

In terms of flaring and ghosting we shot a number of pics and found the performance pretty decent. Under most conditions the lens was able to cut the flare and ghosting, unless we really pointed it directly into the Sun’s line of sight. So, I’d say that the performance was pretty decent in this case. 


Honestly there is hardly anything to dislike about this lens. Its compact, its light, delivers good performance in terms of image quality, both in daylight and lowlight, plus it’s has the ability to deliver good bokeh, which is so important for a prime lens, especially if you are shooting weddings, street photography, etc. 

Now what sweetens this deal even more for me is the fact that it is also cheaper than some of the other lenses in the same segment and at a street price of Rs. 1,17,000, which means you can use that extra money to buy more equipment or other lenses that you might desire.

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