BirdForum is the net's largest birding community dedicated to wild birds and birding, and is absolutely FREE!

Register for an account to take part in lively discussions in the forum, post your pictures in the gallery and more.

Reply to thread

Message: <blockquote data-quote="ceasar" data-source="post: 3365947" data-attributes="member: 26155">Dennis,The oculars on the 7x45 have 5 groups 6 elements.  <a href="http://mavenbuilt.com/optics/" target="_blank">http://mavenbuilt.com/optics/</a>You are forgetting that the 7x45 has a longer Focal Length too and that will have an effect on the FOV.  How much I don't know but designing a wide field eye piece for it would not be cheap and since 7x binoculars don't sell very well to start with it doesn't make much sense economically to make one.  This is a 1000 dollar 7x45 binocular with AK prisms that sells for about the same price as one of Swarovski's 8x30 CL Companion special edition binoculars.The big reason they are less expensive than the Ultravids is because they don't have an expensive magnesium frame and a titanium shaft for the focus wheel--which also explains why they are heavier.Bob</blockquote>