The PENTAX PF-80ED features extra low dispersion glass elements, a large 80 mm objective lens, and a nitrogen filled (JIS Class 6) waterproof body for the perfect blend of durability and outstanding image quality even under the most demanding conditions.

The PENTAX PF-80ED-A features a 45-degree slanted lens barrel for comfortable viewing in almost any situation. Housed in a lightweight magnesium-alloy body, the PENTAX PF-80ED-A features extra low dispersion glass elements and large 80 mm objective lenses for outstanding image quality and clarity under all light conditions.

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.