The SMC 8-24mm Zoom Eyepiece fits all Pentax spotting scopes for terrestrial viewing, and can also be used with telescopes with 1.25" focusers. It offers generous 18-22mm eye relief for comfortable viewing and an apparent angle of view as wide as 60°. Built to Japanese Industrial Standards Class 4, it is weather resistant.
Magnification: 26-78x with 100mm scope, 21-63x/20-60x/20-61x with 80mm scopes, 16-46x/16-48x with 65mm scopes
USA Standard 1.25" eyepiece threading diameter
Waterproof & fogproof (JIS Class 4-rated)
Multi-layer coated optics
High-refraction, low dispersion lanthanum glass
Accepts conventional 1.25" diameter filters for astronomical and terrestrial applications
Zoom Eyepiece which is high-performance and waterproof structure for daily life environmnent.
With PF-100ED: 26-78x With PF-80EDA: 21-63x With PF-80ED: 20-60x With PR-80EDA: 20-61x With PR-65EDA: 16-46x With PF-65ED(A)II: 16-48x
Apparent Angle of View
Field of View
With PF-100ED: 78-42' @ 1000 yd (26-14 m at 1000 m) With PF-80EDA: 93-49' @ 1000 yd (31-16.5 m at 1000 m) With PF-80ED: 99-51' @ 1000 yd (33-17 m at 1000 m) With PR-80EDA: 99-54' @ 1000 yd (33-18 m @ 1000 m) With PR-65EDA and PF-65ED(A)II: 120-63' @ 1000 yd (40-21 m at 1000 m)
Angle of View
With PF-100ED: 1.5-0.8° With PF-80EDA: 1.8-0.95° With PF-80ED: 1.9-1.0° With PR-80EDA: 1.9-1.0° With PR-65EDA: 2.4-1.3° With PF-65ED(A)II: 2.4-1.25°
Exit Pupil Diameter
With PF-100ED: 3.9-1.3 mm With PF-80EDA: 3.8-1.3 mm With PF-80ED: 4.0-1.3 mm With PR-80EDA: 4.0-1.3 mm With PR-65EDA: 4.1-1.4 mm With PF-65ED(A)II: 4.0-1.4 mm