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The Viper 25x/32x Fixed Eyepiece from Vortex Optics is a fully multi-coated argon-purged fixed-power spotting scope eyepiece ideal for bird watching and digiscoping. Place this eyepiece on your Viper series fieldscope to extend the focal length of your optics 25x or 32x depending on the focal length of your fieldscope.
The Viper Fixed Eyepiece delivers bright clear images, wide viewing angle, and is suited for use in low-light conditions such as dusk and dawn. Optics are scratch-resistant coated and o-ring sealed, protecting your investment and preventing damage from moisture, oil, and dirt.
Attach this eyepiece to your Viper series fieldscope to extend the focal length of your optics. The durable construction and bright optics make it ideal for extended observation, bird watching, and digiscoping.
Argon gas purging and O-ring seals keep the eyepiece waterproof and fogproof, protecting the optics from humidity, rain, and splashing.
Fully Multicoated Optics
Multiple layers of anti-reflective compounds on each air-to-glass surface minimize reflected light and increase light transmission, delivering bright clear images. Proprietary scratch-resistant coating protects the front and rear lenses from oil, dirt, and scratching.
25x (65mm), 32x (80mm)
Field of View
65 mm: 2.9° (150 ft / 46 m at 1000 yards), 80 mm: 2.3° (120 ft / 36.5 m at 1000 yards)