Overview Large 80mm Objective Lens for a Bright Image Field Features a large objective lens with an 80mm effective aperture to produce a bright image field for easy subject spotting and accurate focusing. High-Resolution ED Elements for a Sharp, Crisp Image The objective lens incorporates ED (Extra-low Dispersion) glass elements to deliver a sharp, high-resolution image with minimal chromatic aberrations. PF80EDA Slanted Barrel for Comfortable Viewing The PF-80EDA lens barrel is slanted 45 degrees upwards toward the eyepiece to assure the most comfortable viewing position, even when the subject is at the top of a tree or on a steep hill. Lightweight Magnesium-Alloy Body for Portability and Shock Resistance Made of heavy-duty magnesium alloy to reduce weight and protect inner mechanisms, while its protective rubber housing further enhances shock resistance and durabilit. Waterproof Construction for All-Weather Viewing Incorporates a dust-shielding glass element in its eyepiece receptacle to assure JIS Class 6 waterproof construction, assuring worry-free viewing in the rain. Nitrogen-Filled Body to Prevent Fogging The PF-80ED’s body is filled with nitrogen gas to prevent internal fogging caused by sudden temperature changes, providing a clear vision under any condition. Other User-Friendly Features Sight line on top of the lens barrel for easy targeting of the subject Built-in lens hood to shield out excessive light and protect the objective lens surface Tripod receptacle with click-stop rotation mechanism for easy twisting of the lens barrel to position the eyepiece at the most comfortable angle without changing the direction of the lens barrel (PF-80EDA) Optional camera adapter (PF-CA35) to convert the PF-80EDA and or PF-80ED into a 1000mm super-telephoto lens for 35mm-format SLR cameras, and 1530mm super-telephoto lens for digital SLR cameras. Description The PENTAX PF-80 ED series of spotting scopes feature a large 80mm objective lens and PENTAX smc optics to maximize light transmission, clarity, and contrast even under the most demanding conditions. Specifications Model PF-80EDA Type Slanted-barrel porro-prism spotting scope Lens Construction 3 elements in 3 groups, ED glass elementswith 80mm effective aperture Eyepiece Ring Diameter 31.7mm Focus Range 5.8m ~ ∞ Eyepiece Ring Collect type Dimensions 16 in (W) x 5.3 in (H) x 3.9 in (D)excluding control devices and protrusions Weight 56.4 oz Waterproof Rating JIS Class 6 Accessories Case smc PENTAX XW20 with spotting scope Product name PENTAX PF-80EDA Magnification 27X Real Field of View 2.6° Apparent Field of View 70° Field of View at 1000m 45m Exit Pupil 3.0mm Eye Relief 20mm Relative Brightness 9 smc PENTAX XW14 with Spotting Scope Product name PENTAX PF-80EDA Magnification 37X Real Field of View 1.9° Apparent Field of View 70° Field of View at 1000m 33m Exit Pupil 2.2mm Eye Relief 20mm Relative Brightness 4.8 smc PENTAX XW10 with Spotting Scope Product name PENTAX PF-80EDA Magnification 52X Real Field of View 1.4° Apparent Field of View 70° Field of View at 1000m 24m Exit Pupil 1.6mm Eye Relief 20mm Relative Brightness 2.6 smc PENTAX XW7 with Spotting Scope Product name PENTAX PF-80EDA Magnification 74X Real Field of View 0.95° Apparent Field of View 70° Field of View at 1000m 16.5m Exit Pupil 1.1mm Eye Relief 20mm Relative Brightness 1.2 smc PENTAX XF12 with Spotting Scope Product name PENTAX PF-80EDA Magnification 43X Real Field of View 1.4° Apparent Field of View 60° Field of View at 1000m 24m Exit Pupil 1.8mm Eye Relief 18mm Relative Brightness 3.2 smc PENTAX XF8.5 with Spotting Scope Product name PENTAX PF-80EDA Magnification 61X Real Field of View 0.95° Apparent Field of View 60° Field of View at 1000m 16.5m Exit Pupil 1.3m Eye Relief 18mm Relative Brightness 1.6 smc PENTAX XF Zoom Eyepiece 6.5mm-19.5mm with Spotting Scope Product name PENTAX PF-80EDA Magnification 21X–81X Real Field of View 1.8°–0.95° Apparent Field of View 42°–60° Field of View at 1000m 31m–16.5 Exit Pupil 3.0mm–1.0mm Eye Relief 11mm–15mm Relative Brightness 0.9–1.0
