PF 85EDA Spotting Scope from Pentax
Wednesday, April 10, 2024
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Richard Harris |
The PF-85EDA spotting scope, with its 85mm ED lens, offers luminous, high-contrast views for birdwatching, nature, and astronomy. Waterproof, fog-proof, and crafted in Japan, it's ready for any adventure.
The PF-85EDA spotting scope, designed with versatility in mind, is suitable for a range of activities including birdwatching, nature observation, and astronomy. This model features newly developed optics with an 85mm objective lens that provides a luminous, sharp, and contrast-rich viewing experience, enhancing the quality of observations. It incorporates ED (Extra-low Dispersion) glass to effectively reduce chromatic aberrations, alongside a modern multi-layer coating technique that significantly lowers reflectance for clearer visuals.
The spotting scope is equipped with a dust-proof element at the eyepiece mount, ensuring its waterproof capabilities (meets JIS Class 7 standards, offering water resistance up to 1 meter or 3.2 feet), making it reliable for use in various weather conditions, including rain or mist. However, it is not designed for underwater use.
Crafted in Japan, the PF-85EDA spotting scope is provided with a protective case, along with caps for the objective lens and eyepiece, ensuring its durability and longevity.
Key features of the PF-85EDA Spotting Scope:
- Bright and Clear Viewing: Utilizes ED (Extra-low Dispersion) glass to reduce chromatic aberrations, combined with full multi-coating and phase coating for high-contrast observations.
- Fog-Free with Nitrogen Filling: Nitrogen gas inside prevents internal fogging, ensuring clear visibility in varying temperatures.
- Compact and Waterproof: Despite its size, the design is compact and portable, featuring a roof prism and a dust-proof glass element for waterproofing (up to 1 meter, not for underwater use).
- Ergonomic Slanted Barrel: The eyepiece is angled at 45 degrees for comfortable, prolonged observation.
- Versatile Eyepiece Compatibility: Accepts various eyepieces with a 31.7mm (1.25-inch) sleeve, adaptable for different viewing needs.
- Enhanced Features: Includes a built-in lens hood for light shielding and lens protection, and a tripod receptacle with click-stop rotation for adjustable eyepiece positioning.
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PF-85EDA Spotting Scope specifications:
- Model: PF-85EDA
- Type: Slanted-barrel roof-prism spotting scope (45° tilt)
- Lens Construction: 5 elements in 4 groups, includes ED glass elements with an 85mm effective aperture
- Eyepiece Ring Diameter: 31.7mm (1.25 in.)
- Focus Range: Approximately 5m to infinity
- Eyepiece Ring Type: Collet
- Color: Black
- Dimensions: 347(W) x 116.5(H) x 101.8(D) mm or 13.7(W) x 4.6(H) x 4.0(D) in.
- Weight: Scope only: approx. 1600g / 56.5 oz., Eyepiece Kit: approx. 2150g / 76 oz.
- Waterproof Rating: JIS Class 7
- Included Accessories: Objective lens cap, Eye lens cap, Case
Eyepiece kit chart
Zoom 8.0-24.0 |
||
Magnification | 20x | 60x |
Real Field of View | 1.9" | 1.0" |
Apparent Field of View | 38" | 60" |
Field of View at 1000m | 33m | 17m |
Field of View at 1000 yard | 99ft | 51ft |
Exit pupil aperture | 4.3mm | 1.4mm |
Eye relief | 18mm | 22mm |
(Distance from eyepiece rubber in parentheses.) | 5mm | 9mm |
Attachment diameter | 31.7mm | |
Relative brightness | 18.1 | 2.0 |
*According to Ricoh
Other eyepieces chart
XW7 | XW10 | XW14 | XW20 | XF8.5 | XF12 |
XF Zoom 6.5-19.5 |
||
Magnification | 71x | 50x | 36x | 26x | 59x | 42x | 26x | 78x |
Real Field of View | 1.0" | 1.4" | 2.0" | 2.7" | 1.0" | 1.5" | 1.6" | 0.8" |
Apparent Field of View | 70" | 70" | 70" | 70" | 60" | 60" | 42" | 60" |
Field of View at 1000m | 17m | 24m | 35m | 47m | 17m | 26m | 28m | 14m |
Field of View at 1000 yard | 51ft | 72ft | 105ft | 141ft | 51ft | 78ft | 84ft | 42ft |
Edit pupil aperture | 1.2mm | 1.7mm | 2.4mm | 3.3mm | 1.4mm | 2.0mm | 3.3mm | 1.1mm |
Eye relief | 20mm | 20mm | 20mm | 20mm | 18mm | 18mm | 11mm | 15mm |
(Distance from eyepiece rubber in parentheses.) | 15mm | 15mm | 15mm | 15mm | 13mm | 13mm | 5mm | 9mm |
Attachment diameter | 31.7mm | 31.7mm | 31.7mm | 31.7mm | 31.7mm | 31.7mm | 31.7mm | |
Relative brightness | 1.4 | 2.9 | 5.6 | 10.7 | 2.1 | 4.1 | 10.7 | 1.2 |
*According to Ricoh
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