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--Boundary_(ID_PvuekeddEpuWpYDAp29xOw)
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At 07:27 PM 11/27/2007, Elizabeth Doull wrote:
>Are the lens made of glass or plastic?
With a weight of barely 10oz they must be plastic, Elizabeth. Here
are the specifications I could find online...
Pentax Papilio 6.5 x 21 Binocular Specifications
* Binocular Type: Center focusing, porro-prism
* Lens Construction: Objective Lens: 2 elements in 1 group
Eyepiece Lens: 5 elements in 5 groups
* Magnification: 6.5X
* Objective Lens Diameter: 21mm
* Real Field of View: 7.5 degrees
* Apparent Field of View: 49 degrees
* Field Of View At 1000 Meters: 131m
* Field of View at 1000 Yards: 393 ft.
* Exit Pupil: 3.2mm
* Eye Relief: 15mm
* Prism: Porro
* Relative Brightness: 10.2
* Diopter Adjustment Range: +/- 4 m -1
* Diopter Adjustment: Click-stop adjuster built in right eyepiece
* Eye Distance Adjustment Range: 2.2 - 2.9-in. (56mm-74mm)
* Focusing Range: Approx. 1.6 ft. (0.5m ) to infinity
* Eyepiece Ring: Helicoid type
* Body Color: Black & dark gray
* Height Width: 4.5 - 4.3-in. (114mm x 110mm)
* Thickness: 2.2-in. (55mm)
* Weight: 10.2 oz. (290g)
* Accessories: Eyepiece lens caps, Case, Neck strap
* Vergence Correction: Focus-coupled correction mechanism
For birding or for short hikes I still take my 7 x 42 Brunton Eternas
but for an entire or day or longer, or for those specialized
botanizing or butterfly-watching excursions, the Bruntons are
overkill and are way too heavy (and I find weight distributing
shoulder straps too much of a bother). I've worn the little Papilos
around my neck for 12 hour days and have never had a problem with
them. Another problem for me, due to my "beady little eyes" is
finding binos that fit my diminutive eye width -- the Papilios come
in to 2.2" but still reach 2.8" between the eyepiece centers. For
their stated purpose, ultra close focus, they are simply unparalleled
(nope, I don't work for Pentax or any subsidiary, etc.)
Phil
--
Dr. Phil Schappert
2-2523 Sherwood St
Halifax, NS Canada, B3L 3G9
Home: 902-404-5679
Cell: 902-222-0865
PhilJS@eastlink.ca
DrPhil@philschappert.com
http://www.philschappert.com
http://www.aworldforbutterflies.com
"Just let imagination lead, reality will follow through..."
Michael Hedges
--Boundary_(ID_PvuekeddEpuWpYDAp29xOw)
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<body>
At 07:27 PM 11/27/2007, Elizabeth Doull wrote:<br>
<blockquote type=cite class=cite cite="">Are the lens made of glass or
plastic?</blockquote><br>
With a weight of barely 10oz they must be plastic, Elizabeth. Here are
the specifications I could find online...<br><br>
<b>Pentax Papilio 6.5 x 21 Binocular Specifications </b>
<ul>
<li>Binocular Type: Center focusing, porro-prism
<li>Lens Construction: Objective Lens: 2 elements in 1 group Eyepiece
Lens: 5 elements in 5 groups
<li>Magnification: 6.5X
<li>Objective Lens Diameter: 21mm
<li>Real Field of View: 7.5 degrees
<li>Apparent Field of View: 49 degrees
<li>Field Of View At 1000 Meters: 131m
<li>Field of View at 1000 Yards: 393 ft.
<li>Exit Pupil: 3.2mm
<li>Eye Relief: 15mm
<li>Prism: Porro
<li>Relative Brightness: 10.2
<li>Diopter Adjustment Range: +/- 4 m -1
<li>Diopter Adjustment: Click-stop adjuster built in right eyepiece
<li>Eye Distance Adjustment Range: 2.2 - 2.9-in. (56mm-74mm)
<li>Focusing Range: Approx. 1.6 ft. (0.5m ) to infinity
<li>Eyepiece Ring: Helicoid type
<li>Body Color: Black & dark gray
<li>Height Width: 4.5 - 4.3-in. (114mm x 110mm)
<li>Thickness: 2.2-in. (55mm)
<li>Weight: 10.2 oz. (290g)
<li>Accessories: Eyepiece lens caps, Case, Neck strap
<li>Vergence Correction: Focus-coupled correction mechanism
</ul>For birding or for short hikes I still take my 7 x 42 Brunton
Eternas but for an entire or day or longer, or for those specialized
botanizing or butterfly-watching excursions, the Bruntons are overkill
and are way too heavy (and I find weight distributing shoulder straps too
much of a bother). I've worn the little Papilos around my neck for 12
hour days and have never had a problem with them. Another problem for me,
due to my "beady little eyes" is finding binos that fit my
diminutive eye width -- the Papilios come in to 2.2" but still reach
2.8" between the eyepiece centers. For their stated purpose, ultra
close focus, they are simply unparalleled (nope, I don't work for Pentax
or any subsidiary, etc.)<br><br>
Phil<br>
</body>
<br>
<body>
<font face="Courier, Courier">--<br><br>
Dr. Phil Schappert<br><br>
2-2523 Sherwood St<br>
Halifax, NS Canada, B3L 3G9<br>
Home: 902-404-5679<br>
Cell: 902-222-0865<br><br>
PhilJS@eastlink.ca<br>
DrPhil@philschappert.com<br><br>
<a href="http://www.philschappert.com/" eudora="autourl">
http://www.philschappert.com<br>
</a><a href="http://www.aworldforbutterflies.com/" eudora="autourl">
http://www.aworldforbutterflies.com<br><br>
</a>"Just let imagination lead, reality will follow
through..."<br>
Michael Hedges</font> </body>
</html>
--Boundary_(ID_PvuekeddEpuWpYDAp29xOw)--
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