1st pair sent back the lens was knocked loose in shipment or was crossthreaded at company. 2nd pair lens were loose I had to tightened ithem when received and the treads are made of plastic which subjects it to crossthreading when tightened, do not over tighen. Seems like focusing is a little varied for long distance not much focus set it and use it overall good deal for the price except for the issue above pretty sure these will not take much abuse one drop will probably knock lens off but if i wanted durability i should have bought a more expensive pair like i said good for the price. Night vision is fair but i have not been in total darkness i live in town and the streetlamps provide enough light where i can see fairly well with them.
I'm reallly happy with this product. You can get adjust for some great clarity at any zoom level. Lots of light brought in with the 60mm lenses, comes with a carry bag and covers for the lenses and the eyepieces. Probably doesn't hold up to the $2,000 Binoculars, but they get the job done at the $$$-$$$ range. They have a manufacturer warranty. If I had to do it over, I might look for a couple of other features, such as waterproof and a tripod mounting option.
If this pair had not been defective I think it would have been an okay pair of binoculars to accomplish decent 4x magnification, a hard magnification to find. My pair arrived stuck in the farthest open position. It obviously looked like it should adjust but wouldn't. Since it was useless to me stuck in the open position (since I couldn't look through both eyepieces at the same time) I applied more pressure until one piece finally snapped. That freed up most of the moving pieces so it would adjust. However, it didn't snap at the place where it was supposed to be separated - it snapped elsewhere. The front section by my eyes will now adjust properly but the back barely moves - still hindered by part of the defect. So now they are somewhat usable because they will reach both eyes properly, but look like they will soon fall apart because of the broken spot. There is an adjustment wheel to focus both eyes, but there is no adjustment on a single eyepiece if you need that. Comes with a vinyl/plastic (?) case with a small strap on the side (not big enough to go over an adult hand but probably could fit over a child's hand) and a place on the back for it to fit through a belt. Case closes with velcro. If I had gotten a workable pair, they would have probably been worth the Alexander Hamilton I paid.
I'm not well versed in the termanology so I will tell it to you strait. I wanted these to get a closer look at the Moon, as well as some stars. I also use them for Bird watching and what not. The Bino's are very powerfull. I have 10x50's and they are perfect for most viewing applications. These really get me close "Real close" to the things that are far away. There is another review on here that states after you zoom you lose some light and that is true. However it was not an issue for me at all. I have zoomed these all the way out to 140x and have NO complaints at all. You also lose some feild of view when you zoom but again for me that is not an issue. They are not as heavy as I thought they might be, but the will need a tripod for when you zoom. I had a cheap tripod that fit the the Bino's built in mount, so it worked out well there. Once you have your triopd you will be able to zoom out like I said but you will need to try and keep the Bino's on the tripod tight so when you start to view you limit as much gittering as possible. In ending this review I will state that they are a bit spendy but the quality is top notch. From the prism's, mirrors lens coating and over all build. When you try anything new you must have an open mind and reasonable expectations. I do recommend these :)
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