Excerpt: I bought this binocular (and it is "this binocular", not "these binoculars") for astronomy and could not be better pleased. It is very sturdly contructioned and I expect it will be very durable. The optices are superb. Focusing is easy and accurate. The twist-up eyecups are perfect for my glasses. The only fault I can find is the rear eyepiece cap that does not secure onto the eyepieces at all.
Pros: Close Focus, Good Case, Quality Lenses, Strong Construction, Waterproof, Works Well With Glasses
Excerpt: I got this binoculars because I've always admired the heavens and wild animals from afar and it was about time to get closer, and closer I did get! This works awesome for gazing at the moon which is why I got it. . Its not hard to handle at all and focusing isn't a problem specialy for a beginner. This was very very well worth it you will not regret it.
Pros: Close Focus, Compact, Lightweight, Quality Lenses, Strong Construction
Excerpt: Why did I wait so long to buy these glasses?<br />For the past fifteen years, I've had a pair of Pentax compact 10x25 binoculars, which are good in their own right, but when I bought the 10x50s, and compared them with the 10x25s the difference was almost shocking. <br /><br />When comparing the two sets, the only advantage the smaller binoculars have is that they are small - that's it! The full-size 10x50 PCF WP IIs have every other advantage.
Excerpt: The first thing is that they look great, IMHO.<br />The next is that I was able to make out 3 of Jupiter's moons this morning with these hand held.<br />They are very solid, but feel light in the hand as they balance well and fit the hands comfortably. I bought the tripod adapter as well, but hand holding hasn't proven that difficult.<br /><br />The eye cups feature 3 positions, are metal with rubber covering and don't push in when held to your face.
Pros: Comfortable Eye Relief, Good coatings, Sharp, Strong Construction
Summary: For astronomy, these waterproof binoculars have clear stellar images all the way to the edge of the field. The field is a little smaller than the similar Nikon Action Extremes, but those don't have unblurred pinpoint star images at the field edges. I chose these for astronomy, being the most powerful binos I can hand-hold at 10x. The coatings seem excellent, and the weight is reasonable. They also have very nice, solid pull-out plastic eyecups instead of rubber.
Summary: These PENTAX 10x50 Binoculars, are BRILLIANT! They have great light gathering qualities, due to being made with BAK 4 PRISMS. The images you see, are SHARP, right across the lenses, with NO DISTORTION at the edges,( lamp posts bending)! Purple fringing,(Chromatic Abberation), is minimal. I highly RECOMMEND these Binoculars for Birdwatching and general use. These Pentax, are the best kept secret in the Binocular world!
Summary: These binoculars are really well built and comfortable to hold. The Optics were perectly collimated (as far as my eyes could tell) and the image is nice and bright. I use then for astronomy and the image is sharp across the field of view. Why only 4 stars ?