Let me start with this: 25mm Pergear is a pretty good option for those who are new to photography or a new camera system and are looking for an inexpensive, tiny, durable, sharp mid-range lens that they can throw in a bag or clip to their camera at any time. If this is you, take one. BUT. It has some disappointing flaws that for some may be enough to ruin the experience. PROS: - so tiny! It is extremely pocket-friendly and very discreet when installed. - Focus stays where you put it! That really shouldn't be a problem, but many of these inexpensive 25mm f1.8 lenses suffer from a very strange phenomenon where the plane of focus keeps drifting even after you've stopped rotating the focus ring. , as well as move abruptly when you slide the lens from front to back. I have encountered this issue with all lenses from 7artisans, Hengyijiya and other brands of similar design, and it results in very inaccurate focusing during operation and completely unpredictable pre- and zone-focusing experiences. - Sharpness in the center! it's at least as sharp as the 7a 25mm and much sharper than the Meike I was hoping for. Well dampened rings and solid construction! The lens feels more premium than you'd expect at this price point, and my specimen's focus and aperture rings rotate smoothly and securely, with no play in the mating parts. CONS: This lens is definitely not an f1. eight! When I compared my replica of this lens to my 7a 25mm, I noticed that with Pargee the camera uses slower shutter speeds to get the same exposure. Just for testing, I tested it with a Fuji 23mm lens set at f1.8. both pictures were taken with ISO 200 and 1/500 second. Pergear's results were almost a point darker in the center and much darker in the corners due to vignetting. that brings me to.- vignetting! This is either a plus or a minus depending on your aesthetic preferences, but I included it here because it's so dramatically wide open that it almost crosses my personal threshold. It looks really amazing under certain circumstances, and when you press it down almost everything disappears, but it's still worth mentioning. - there is no hard stop at infinity! that was one of my two main problems with the Meike 25mm. The lens focus ring marking is the same as the ft/m marking instead of the infinity marking. and it is pointless to think of this mark only as infinity, because actual infinity is not even reached exactly at the infinity mark. REAL infinity appears to be just a hair to the left of the mark on my copy. Only a big deal if you want to focus precisely in front of or on zones, but again worth mentioning here. - The tags on the device do not work! The foot markings seem accurate enough, but if you prefer to think in meters, the markings will let you down. You can see in the images that the 3 meter mark (about 9ft 10inches) is a little AFTER 10 feet and the 1.5 meter mark (about 4ft 11inches) is between 5 and 7 feet. Everything falls into place when you get closer than 1 meter, which is about where it should be, just past 3 feet. disappointing because even at this price point it seems easy to test and get right. All this to say that this is a compact, durable, relatively fast, mid-width manual lens with above-average sharpness for under $70. I'm hesitant to keep it because it doesn't COMPLETELY match what I was hoping for, but I still think it's a great offering for people who can live with its quirks.
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