Pentax PF-100ED 100mm ED Waterproof Spotting Scope - Straight - Limited Liftime USA Warranty (requires eyepiece)

The PF-100ED is the first fully waterproof and fog-proof 100mm objective spotting scope in the market. The straight-line optical barrel design of the PF-100ED makes it easy for the user to locate a subject quickly. It is housed in a lightweight magnesium-allow body and features time-proven porro-prism optics incorporating ED (Extra-low Dispersion) Lanthanum Crown (rare earth) glass elements to produce sharp, clear images with minimal chromatic aberration. PF-100ED also utilizes Pentax telescope eyepieces renowned for their sharpness, field of view, contrast and freedom from aberration. Used together, you have a world class-viewing instrument.