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Anonymous
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My old Celestron 7x50 Novas had a 10 degree field. They were great for finding things in the night sky from which I would switch to my telescope.They are gone and I need to replace them. I am looking at Celestron 7x50 Ultimas but they are only 7 degrees.
I am wondering why they decreased the angle and are they better in some other way that would merit my investing in a pair. I already have the 15x70s but they are a little too shaky and are not like my old Novas for just finding stuff.
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edcannon
professor emeritus
Reged: 11/19/03
Posts: 679
Loc: Austin, Texas
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I've learned here recently that wide-field binoculars have "edge softness", where as you move stars from the center to the edge of the field of view, they blur. My new Orion Ultraview 8x42 definitely have that, although it's not so much that I don't enjoy the wide FOV. Maybe your old Celestrons had that, and since then they decided to reduce the FOV because of it.
Quite a few 8x42 models have 8.2-degree true FOV. The Orion Outsider 8x40 ads say they show 9.4 degrees, but they are inexpensive, limited coatings, etc. If your sky is suburban or worse, in general your views will likely be better with 8x42 or 8x40 than 7x50, especially if you're beyond middle age. Several people here love their Zeiss Classic 7x42, if you can afford them.
Ed Cannon - Austin, Texas, USA
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Ed Cannon - Austin, Texas, USA
As of 23 August 2008 - Celestron Skymaster 12x60
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Anonymous
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For the purpose of finding things in the sky I use a Kronos 7x35 (Russian made) binocular. It provides 11 degrees. Sweeping the constallations and the milkyway is a nice experience using such wide field. The edge sharpness is poor but comparable to other "extreme" wide field binoculars currently available. I believe that Kronos has another model which is 6x30 that has 12.5 degrees.
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