The depth perception of a Porro prism, with the internal focusing normally found in roof prism designs, for more ruggedness and waterproof integrity. You’ll also enjoy exceptionally high light transmission.

The outstanding optical qualities of a Porro prism design with an internal focusing mechanism that features no external moving parts for added compactness, ruggedness, and waterproof integrity.

• The internal focus mechanism has no exterior moving parts, making the Cascades™ more compact, more rugged, and more waterproof than ever.
• The multi-coated lens system ensures maximum brightness for clarity, contrast, and color fidelity.
• The Porro prism design offers the user excellent depth perception and outstanding 3D image representation.
• Generous eye relief for comfortable extended viewing, even with eyeglasses.
• Rugged, waterproof, and covered by the Leupold® Limited Lifetime Warranty.

Actual Magnification 10x
Linear Field of View (ft/1000 yd) 272
Linear Field of View (m/1000 m) 90
Angular Field of View (degrees) 5.2
Weight 25.4 oz / 720 g
Length 5.0 in / 127 mm
Obj. Aperture (mm) 42
Twilight Factor 20.5
Exit Pupil (mm) 4.2
Eye Relief (mm) 16.0
Interpupillary Distance (mm) 56 - 73
Close Focus Distance 11.1 ft / 3.4 mm