The 7artisans 25mm f/1.8 is a wide-angle lens for APS-C, manufactured from 2017. The focus is done by Manual Focus, it does not have image stabilization. The average price, when it has been added to the JuzaPhoto database, is 86 €;
10 users have given it an average vote of 7.4 out of 10.
This lens is available with the following mounts:
Sony E: this lens is compatible with mirrorless APS-C Sony.
Fujifilm X-mount: this lens is compatible with mirrorless APS-C Fuji.
Micro 4/3: this lens is compatible with mirrorless micro-4/3.
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The following opinions have been automatically translated with Google Translate.
Opinion:I have several 7artisans goals and of all I am more than satisfied but this is really bad two things in particular: at F16 it has a blue reflection in the center of the image and the rings even if they are soft you feel that scratch, from them goddess who after a few turns you are with a metal chip on the sensor. very failed
Pros:Price, sharpness in the center of the image, fluid iris ring
Cons:Poor quality at the edges of the image, slight bubble distortion in the center of the image between f/8 and f/16, unusable in backlight, vignetting, too soft rings
Opinion:Purchased branded Neewer, the quality of the image is acceptable only in the center, approaching the edges you have a very sudden ness of sharpness. This view is in no way suitable for shooting subjects at long distances, let alone landscapes. It lends itself much more to open use, when you intend to highlight a specific detail and not the entire image. Vignetting, especially if increased in post-production, is very useful for "lomo" photography. Overall it's a lens worth what it costs
Cons:poor sharpness (of my specimen), nervous bokeh, poor detail yield in the highlights
Opinion:Purchased used branded Neewer, at TA not my specimen is absolutely not sharp, indeed I would call it decidedly soft. It definitely suffers the light, even if it is indirect. Backlight is unusable. Indoors it goes much better. The detachment of the floors is discreet, but the bokeh is nervous. The chromatic yield is rather washed down. Overall, a lens that is worth what it costs: little. Preferred in all respects the Meike 25mm f/1.8.
Cons:Focus loss on the focal plane on the lateral half of the frame
Opinion:I was intrigued by the Chinese manufacturing targets that are on sale on the internet at less than 90 euros, I took the neewer 25 mm 1.8; Looking at it looks like the 7artisan 25 mm, is identical, even the cap. Obviously manual controls for aperture and focus, with focus peaking. Quite fluid ring nuts. Since there are no electrical contacts it does not transfer the EXIF data of the click. I did some testing on the outside, on Sony a6000. First of all, I note that the center is sharper than the kit 16-50 already at F2, at 2.8 improves slightly, 4 improves yet but in a completely negligible. It seems that it is sharp up to about half a distance between the center and the extreme edge, then it worded sharply, I saw the roof of the house that suddenly lost sharpness (which then remains that up almost to the extreme edge, where it is bad), not in a progressive way. In These parts it looks worse than the kit. Infinitely regulated, practically everything is in focus starting from the distance of 20 meters from me until the infinity (about, what I was framing was 7 km). Sharpness at the center even better than the kit, with the usual sharpness loss starting from half way. So if the purpose is to frame something in the middle of the frame, blurting the outer part, is certainly discreet; If you have to cross something that is at 2/3 of the distance from the center to the outer edge, we go wrong. In addition, it suffers by framing objects in backlight as chromatic aberration and flare. I have not noticed distortion, if not to a minimal extent. I did the tests looking at the images with the automatic adjustments in Capture One, with the kit the color rendition is better, probably takes advantage of the profile present, while with the other one uses a generic and the yield is a bit ' vintage. A wall of stones, from SX to DX of the frame and occupies the third central height, a little further down, distance 8 meters, 16-50 to f 4.5, neewer to F 1.8, F2, F 2.4, f 2.8. With the kit the image is evenly in focus, the other in focus the center, less around, to fire the floor at 2-3 meters from the wall. Then a wall of wood grilled with the ivy, distance 5 meters, same diaphragms: The center does not focus, moving away from the center in focus, and even a little ' floor. To f2.8! A few tens of inches of depth of field. At first it seemed to me that he had uneven behavior between different areas of the frame, then instead it seems that it is because the distance of the focus, initially starting from the center varies little, then half frame curve approaching suddenly to Me. With out of focus, I mean really blurry, and having as a comparison the two walls does not affect certain areas of the image, it seems a feature of the lens have this "curvature" that determines areas in focus and not, if I focus in the middle of the wall at the bottom is Blurry while it is in focus on the floor, if I focus the wall further down it becomes less in focus the center of the wall, while it is in focus a wall that is lateral and closer to me... If you imagine looking from above is like drawing an ellipse arc against the wall, starting from the center the Curve little line, then the curvature increases a lot and tends to approach the side... maybe it is the same effect of the optics for non-planar microscope, the most Economic, the image is curved on the sensor, if you focus in the center you have the outline blurred and vice versa. If you photographed 2 people, it is sure that one does not come into focus. It's not for me. It's a pity, because at the center where it is in focus is clearly sharper than the kit, even at F2.
Cons:Focus sometimes problematic, focus ring too soft that sometimes can move by ruining the photo
Opinion:It was a little bit that this lens intrigued me: the reviews on the Internet were enthusiastic or catastrophic without any middle ground, someone talked about the lens sent back to the sender. And so I found an opportunity that I did not let slip. I'm used to the time of film to the whole manual management, so the 7Artisans was a nice return to the past: Focus in aperture open, close the diaphragm, shots. But you have to be very careful: by closing the aperture ring you can move that of the focus with great ease. With a little attention this optics reveals its qualities and shows a good incision with the most closed apersions. Being a lens produced with various attacks does not have a real infinity but requires caution even in the focus of the most distant subjects.
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