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EdZ
Professor EdZ
Reged: 02/15/02
Posts: 12565
Loc: Cumberland, R I , USA42N71.4W
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Re: upgrading from 15x70
05/28/08 09:38 AM
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I thought about the 22x85, and yes (as of right now) that would be the next logical big step up, but that is so much larger in size. Going from a 3# 15x70 to this massive 22x85 at 10# means the need is present to jump from a light weight $100 tripod up to a substantial $300 tripod.
the 15x85 certainly would also fit the bill. But it is the same 10# body as above and has the same tripod requirements, as the only difference is the eyepieces.
This particular series (at least tests on the 7x50 and 15x70 from this series, I haven't tested any of the 85mm) indicate that it is operating at very near 100% of full aperture and magnification.
Also worth mention is field of view starts getting smaller. Stated 3.5° for the 15x85 and 3.0° for the 22x85. Your older 15x70s have a 4.3° fov. The 15x70 Ultras have a 4.3° fov. the 20x80 Standard (the original Standard very long binoc) has a 3.2° fov.
edz
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