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Sigma 30mm 1.4 Review
One of my favorite features of the Sigma 30, is it’s build quality.
Even though the lens itself has a very wide aperture at f1.4, it’s definitely not what I’d describe as a big lens. But it definitely does feel great.
There a few really nice features to it as well. Firstly, we’ve got a metal mount on the back and on the top here, we’ve got a focus distance window which is good for manually focusing. The focus ring on the front however has never been as smooth as I would have liked. It feels a little gritty and rough, but it does a fairly long focus throw.
So overall the build quality is great. I’ve used the 30mm lens for about 4 years now and they’ve really stood the test of time.
On a crop sensor body like this Canon t3i here, 30mm equates to about 50mm, which is commonly called a normal focal length.
And it’s become one of my favorite focal lengths.It’s not super wide, but also, not a tele lens.
As with almost any 1.4 lens, one of the best things about htem is that it’s super easy to get some lovely bokeh.
And that’s no different than with this little Sigma. At f1.4 this lens produces an incredibly shallow depth of field. The bokeh is lovely as well and it really does allow you to take creative control of your shot.
As I said before, I’ve been using this to film all of my videos here on youtube for nearly two years ago, and as you can see, it really allowed me to seperate myself from the background in my shots.
The Sigma 30mm 1.4 has a minimum focus distance over 40cm, which is actually pretty far away, so don’t expect any ultra close ups with this lens.
This is definitely not a macro lens, but it can see provide some nice photos of small objects, simply because it has a very shallow depth of field which allows great sepeartion.
Unfortruanly one area where the Sigma 30mm 1.4 is let down is in autofocus.
It’s not the worst performer but it does struggle to lock on to it’s target every time. In low light i pretty much only use manual focus with this lens because it struggles quite a lot.
But in broad daylight it’s not too bad especially if you knock it down to around f2.8 or so.
Funnily enough though, this lens performs excellently in autofocus for video.
Paired up with my Canon 70d, autofucs is really consistent even at wide apertures. I use face tracking autofocus for most of my videos with thes lens and it works 98% of the time. And it also allows me to do some great focus pulls on these lenses that I do in all of my videos.
Like I said before, you can really get some great dreamy photos with this lens. Having that lovely normal view and shallow deptb of field makes it a great lens for portraits and street photography.
It’s not the sharpest lens I own, and there are some chroamtiv abberations for sure, but it’s still a fantastic performer.