Am not a professional when it comes to binoculars, but the Olympus 8x40 DPS-I is really a super binoculars for all the, seeking an entry-level glass and do not want to spend much money or want and only once "get a taste" in the matter want. Sure, that Olympus can not compete with expensive binoculars course, but it's my opinion a very good job. The technical details, I can not say much and would leave this to others, who here already written very meaningful reviews. Just as much, the FG is very well made, I can discover no obvious defects and can only agree with the almost exclusively positive reviews.