TTartisan 27mm f/2.8: B&H Photo / Amazon
Optical Limits posted its full review of the TTartisan 27mm f/2.8 and you can read the full review here or check out the excerpt below:
The TTArtisan AF 27mm f/2.8 is a case of the proof-is-in-the-pudding rather than in the lab tests. Formally, the lens produced decent results. Namely, images are pretty good at f/2.8 already, and they can be sharp at optimal settings around f/5.6. Image distortions are reasonably low in RAW images and are gone with auto-correction. Lateral CAs are well-controlled. The vignetting is rather extreme and only bearable with auto-correction from f/5.6 onward. It’s a rather slow lens in its focal length class, so shallow depth-of-field photography isn’t its strength to start with. However, even when pushed, the bokeh quality is mediocre at best. There’s also some bokeh fringing (LoCAs) at large aperture settings. The lens is also prone to focus shifts (RSA), which isn’t helpful in some scenarios. Sun stars are quite nicely rendered.
Our sample showed a centering issue. While you may argue that this isn’t representative, it should be obvious that quality control costs money, and this is a low-budget lens – thus, expect some significant sample variations.
The mechanical quality of the TTArtisan lens is actually very good. It’s a tightly assembled, all-metal body with smooth controls. It doesn’t come as a surprise, but there’s no weather sealing. The AF speed is quite good, and the stepping motor is pretty quiet. The AF could be more precise, though.
It’s difficult to come to a final conclusion about the TTArtisan AF 27mm f/2.8. If you can get a good sample, it’s a bargain for sure. However, we’d still recommend to consider other options.
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