Ramble about 35mm f1.2 lens for Sony E Mount.

Despite the claim of being F1.2 and metal body, it didn't offer the best results. mediocre when compared to my Kamlan 50mm f1.1 and other wide aperture lenses. in fact, some cheap as hell CCTV lenses do as good of a job.

Don't get me wrong, wide open isn't horrid, but it just isn't good enough. It's soft and needs to be closed in a little to for 2.8 to get fair results, which is similar to results you might get with an F1.4 CCTV lens of the same focal length. The low light performance isn't horrid but I get better results from a F1.4 lens, even though the Neewer lens is sharper than a CCTV lens on a CCTV or C mount adapter to NEX or Sony E mount. So it isn't my cup of tea.

The focus isn't bad, not loose, not hard to turn, aperture ring works well too, smooth turning so great for video. but I'd say you don't get enough light for an f1.2. Since F-stops will differ when we look to T-stops, as I don't have the still to test the T-stop I will just say there is some loss. More loss than a CCTV 25mm f1.4, more than a Kamlan 50mm f1.1. Or so it seemed while testing on various cameras with manual settings and accounting for focal distance. The focus range wasn't too bad, for a 35 it was great for anything at a distance, not unexpected. close up was good.  All this said, maybe I got a bad batch item. Not the first time this has happened with Chinese products.


FOR BOKEH FANS,
Some good bokeh close up but as expected it isn't so good at distance, you'd be better off getting a fast 50mm for that. Which links back to my point on the 50mm Kamlan.
In fact, as far as boke, I have got great results from lenses made for 35mm film cameras, grab an old nikkor or Pentax or Canon FD lens with an f1.2 or f1.4 or f1.8 aperture and adapt it to Sony-E or another system. but light loss due to sensor size means you'll get a darker image than an APS-C specific lens. So using a 50mm Nikkor lens on APS-C is a 1.5 crop factor, meaning it will be portrait more than standard, but bokeh will be very nice.

Technically your 35 isn't a 35, but if you want less than a 75mm equivalent then buy a good 35mm lens.  Good as in f2 if possible, adapt it to sony-e, and it will act as a 50(52mm in effect).  Much better for everyday use than a 50mm that acts as a 75mm due to the crop sensor.  As with A6000, A6300, A5100, and the NEX range, etc.  If you do daytime images then Iso won't be a big issue, if you want natural light then buy a 35mm f1.8 if it's as cheap as the neewer 35mm f1.2, you'll probably get sharper results.  If you're doing low light then the Neewer f1.2 might help, but other factors will help too, like knowing how to light an area, correct use of flash and flash compensation. 

Enough rambling from me. . .    Let's just say if you see it for cheap, buy it.  If not don't think it's a dreamboat of a lens.