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Kestrel 4500NV SPF

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Unread 12-06-2009, 01:38 PM
Silver Member
Join Date: Jul 2007
Location: Jackson, Wyoming
Posts: 308
Kestrel 4500NV SPF

Kestrel 4500 NV (Night Vison)... My eyes were bigger than my bank account. Unit looks and works like brand new. I'm including a case that came from a different source, it fits perfectly... $215.00 shipped. Postal Money Order please.

Thanks for looking!

Here's some info from Kestrel's site...

Kestrel 4500 Pocket Weather Tracker with digital compass and night vision preserving backlight.

Measurements: Heading (true and magnetic), Wind Direction, Crosswind, Headwind/Tailwind, Altitude, Pressure Trend, Barometric Pressure, Relative Humidity, Heat Stress Index, Dewpoint, Wet Bulb Temperature, Density Altitude, Wind Chill, Air, Snow and Water Temperatures, Current and Average Wind Speeds and Maximum Wind Gust, Customizable 1400 Data Point Storage, Data Upload (with optional interface)

Note: This unit has a night-vision preserving backlight which helps users to sustain natural night vision. The NV's backlight incorporates an optical filter to reduce overall brightness and minimize blue and green spectrum light to preserve night vision. Additionally, NV backlights are also much dimmer than a standard backlight, making it more difficult to detect with the naked eye in night operations. This backlight appears soft greyish pink, not red, and is still in the visible spectrum, so is not compatible with night-vision equipment.

It takes 30 to 45 minutes for the average eye to adapt to darkness and maximize night vision. Even a short burst of white, yellow, green or blue light “bleaches out” the rod cell photoreceptors in the eye and causes night blindness until the entire adaptation process can take place again. Light in the red spectrum does not cause this “bleaching out”, preventing night blindness and night vision fatigue.

Last edited by hnts4fun; 12-06-2009 at 06:14 PM. Reason: SPF
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  •   #2  
    Unread 12-06-2009, 05:30 PM
    Junior Member
    Join Date: Sep 2009
    Location: alabama
    Posts: 5
    Re: Kestrel 4500NV

    I'll take it. PM sent
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    Unread 12-06-2009, 06:12 PM
    Silver Member
    Join Date: Jul 2007
    Location: Jackson, Wyoming
    Posts: 308
    Re: Kestrel 4500NV

    Sold pending funds to TLSMITH22.

    Thanks all for looking!
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