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The Yongnuo 25mm f/1.7 MFT is a standard lens for 4/3, manufactured from 2020. The focus is done by Stepper Motor, it does not have image stabilization. The average price, when it has been added to the JuzaPhoto database, is 125 €; no votes.
MOUNT
This lens is available with the following mounts:
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 bought the 25mm. in question to have something light to accompany the 25mm f1.2 Pro Olympus. The yield is good from 2.8 ,decent to t.a. Nothing serious considering the price. The construction looks "cheap" but the aesthetics are good, the satin plastic with orange lettering do their part. The AF is responsive and quiet, precise. I will test it more intensively to give a broader judgment. For the moment I am satisfied with it.
Pros:price, very sharp from f/2.8, completely silent AF, nice blur
Cons:Cost-effective materials
Opinion:A cheap alternative to the Panasonic 25mm, to which it is at least aesthetically clearly inspired. I didn't find any big flaws, but if you want to go into detail, from home tests, the lens is quite soft (but usable) at TA, improves at f/2 and reaches an excellent sharpness at f/2.8. Peak between f/4 and f/5.6, but with differences in my opinion visible only at 100% zoom screen. The same goes for vignetting. The STM motor isn't lightning fast, but it's completely silent. The blur is nice. The change in aperture of the aperture in M is quite noisy. In A or if you use a flash, on the other hand, no noise... mystery of faith. Decent finishes but materials that certainly don't give the idea of luxury, even if the attachment is still made of metal. At this price (120 euros new) this lens serves as a forklift and/or battle lens, and it succeeds perfectly. Update: on G85 when this lens is mounted you can't use the electronic first curtain... No problem with mechanical or electronic shutter. Another note, the lens is not present in the Dxo database, so those who use PhotoLab or PureRaw cannot take advantage of the excellent corrections of these sw.
The sample photos are selected automatically between all photos posted by JuzaPhoto members, using the camera and the lens selected in the techs. If you find evident errors (e.g. photos taken with cameras and lenses that are not available yet), you can contribute to improve the page by sending a private message to the user that has entered incorrect values in the photo caption.