PF-80ED A Spotting Scope

Features 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. 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 into a 1000mm super-telephoto lens for 35mm-format SLR cameras, and 1530mm super-telephoto lens for digital SLR cameras. Specifications Model PF-80EDA Type Slanted-barrel porro-prism spotting scope Lens Construction 3 elements in 3 groups, ED glass elements with 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         Pentax PF-80ED-A – Hands-On Review