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The PENTAX PF-100ED features a large 100mm objective lens for bright viewing under all light conditions. Featuring a straight-line
optical barrel design, extra low dispersion (ED) optics incorporating Lanthanum Crown glass elements and waterproof construction,
the PF-100ED provides durability and optimum optical resolution. * The Pentax PF-100ED is housed in an exceptionally lightweight magnesium-alloy body.
* Incorporating Extra-low Dispersion (ED) glass elements for optimum optical resolution.
* Large 100mm objective lenses for bright viewing under all light conditions.
* The body of the PF-100ED incorporates the American standard 1 1/4-inch (31.7mm) - diameter eyepiece receptacle, which
accepts the Pentax XW eyepieces.
* The receptacle has a special "O" ring assembly, which allows the body of the scope to be filled with nitrogen, making it
fog proof and JIS Class 6 waterproof.
* A built-in lens shade cuts excessive light and helps to prevent rain and other weather elements from interfering with
viewing.
* An extra wide focusing knob is incorporated for effortless focusing.
* A tripod socket with a click-stop rotation mechanism is available to allow for different viewing angle options.
* Famous Pentax Super-Multi-Coating maximizes light transmission, clarity and contrast.
* An extendable eyecup on the XW eyepieces allows variable adjustment for up to a full 20mm of eye relief, allowing those
wearing eyeglasses the same view as non-eyeglass wearers.
* Equipped with a durable rubber housing to protect against shock and damage.
* Lanthanum Crown (rare earth) glass elements.
* The PF-100ED comes with a limited lifetime warranty.
* The PF-100ED accepts the recommended PENTAX XW Telescope Eyepieces: XW7 (90X), XW10 (63X), XW14 (45X), XW20 (31.5X), and
the Zoom Eyepiece (26X-78X).
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The smc Zoom eyepiece features a magnification range of 20-60X, an apparent field of view of 38 to 60 degrees,
and an eye relief of 20mm. Like all PENTAX eyepieces, it is renowned for its outstanding image reproduction.
With its JIS Class 6 rated waterproof and fog proof construction, this Zoom eyepiece is ideal for use with
astronomical telescopes. |
Lens Structure: 6 elements, 4 groups
Real Field of View: 1.9 - 1 degrees
Apparent Field of View: 38-60 degrees
Field of View at 1000m: 33-17mm
Field of View at 1000 Yards: 108 - 56 ft.
Exit Pupil: 4-1.3mm
Eye Relief: 20mm
Relative Brightness: 16-1.7
Eyepiece Size: 5.7" x 2.7"
Lens & Outside Diameter: 44 x 69mm
Weight: 19.2 oz. (550g)
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