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Binocular Reports Archives

Comparing Binoculars - GO22x85, WO22x70, Tak22x60

Mar 18 2010 06:52 AM | EdZ in Binocular Reports

First, let me say these are three fine binoculars. Oh yes, one is better than the others, but none of the three would be something you wouldn’t want to own. I've measured many binoculars of all sizes. Some of the measures put up by one or the other of these three rank among

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Author name: Ed Zarenski
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Binocular Illumination: Comparing Illumination in the GO22x85, WO22x70 and Tak22x60

Dec 30 2009 08:35 AM | EdZ in Binocular Reports

We often hear people state exit pupil is what determines the brightness of your binoculars. But stop for a moment and think, that does not explain why sometimes it seems that two binoculars, even with the same size exit pupil, do not

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CN Report: Small Binocular Reports A Dozen 8's

Mar 11 2008 05:35 AM | EdZ in Binocular Reports

This is one in a series of "Small Binocular" reports that will detail and summarize all my findings from eight months of tests and measures on over 30 binoculars.

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Small Binocular Reports: The 42mm Roofs

Mar 27 2008 05:30 AM | EdZ in Binocular Reports

This is one in a series of "Small Binocular" reports that will detail and summarize all my findings from eight months of tests and measures on over 30 binoculars.

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Author name: Ed Zarenski
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Small Binocular Reports: Three Families

Apr 01 2008 12:51 AM | EdZ in Binocular Reports

This is one in a series of "Small Binocular" reports that will detail and summarize all my findings from eight months of tests and measures on over 30 binoculars

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Author name: Ed Zarenski
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Small Binocular Reports: The 10 x 50s

Mar 26 2008 05:44 AM | EdZ in Binocular Reports

This is one in a series of "Small Binocular" reports that will detail and summarize all my findings from eight months of tests and measures on over 30 binoculars

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Author name: Ed Zarenski
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CN Report: Oberwerk Ultra 15x70

Oct 24 2006 06:35 AM | EdZ in Binocular Reports

The buzz on the street is all about the new "premium" binocular. There are a number of importers/distributors currently offering what appears to be the same binocular. Keep in mind, none of these

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Author name: Ed Zarenski
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Binocular Resolution: Handheld vs Mounted

Mar 14 2006 06:47 AM | EdZ in Binocular Reports

The purpose of this short paper is to help binocular observers understand why a lower powered binocular is often recommended for handheld use

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Author name: Ed Zarenski
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CN Report: Bincoular Tests & Comparisons

Jan 22 2006 04:19 AM | EdZ in Binocular Reports

Oberwerk 25x100 IF, Celestron 25x100 Skymaster, Garrett Optical 20x80 Gemini, Oberwerk BT100 Binocular Telescope

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CN Report: 100 Binocular Deep Sky Objects

Nov 29 2005 06:08 AM | EdZ in Binocular Reports

This list is organized into object gruops within areas of the sky.

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Author name: Ed Zarenski
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CN Report: Nikon Action Extremes 8x40, 10x50 and 12x50

Mar 22 2005 03:54 PM | EdZ in Binocular Reports

Ed Zarenski compares Nikon's Action Extreme binoculars to several competing instruments

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CN Report: 100mm Binoculars - What Can You See?

Mar 22 2005 04:09 PM | EdZ in Binocular Reports

Ed Zarenski takes a look at the relative performance of several available 100mm binoculars

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CN Report: Vixen 30x125s vs ITE T 100s

Mar 22 2005 03:44 PM | asaint in Binocular Reports

Allister St. Claire shares his experiences with these jumbo binoculars over a two month period

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CN Report: Vixen 30 x 125mm Binoculars

Mar 23 2005 05:26 AM | asaint in Binocular Reports

The big binoculars of the astronomy world. Allister St. Claire looks at these 30x magnification binos that have a whopping 125mm aperture

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CN Report: Vixen BT80 Binocular Telescope

Mar 22 2005 03:49 PM | asaint in Binocular Reports

Allister St. Claire takes a look at these 80mm binoculars which use standard 1.25" eyepieces

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