Vortex Viper HD 15-45x65 Straight

• HD Optical System: Selected HD glass helps reduce chromatic aberration, so fine detail stays cleaner and colors look more natural when judging animals, reading mirage, or checking impacts at distance.
• 15-45x zoom range: The wide magnification span lets the scope move from broad-area scanning at 15x to closer inspection at 45x without changing equipment in the field.
• Straight eyepiece design: The 0° layout supports fast target acquisition and intuitive tracking, especially when following moving subjects or sharing the scope from a vehicle or bench.
• Helical focus system: Fast, snag-free focusing makes it easier to sharpen the image quickly, which matters when conditions change or when small details appear only briefly.
• Arca-Swiss compatible body: The scope mounts directly to compatible tripod heads, reducing setup time and keeping the system simpler and more secure in the field.

About the Vortex Viper HD Series

Vortex Viper HD sits in the brand’s upper mid-range spotting scope line and is built for users who want a more capable field optic without moving into the largest and heaviest observation systems. The series currently includes 11–33x50, 15–45x65, and 20–60x85 configurations, giving hunters and long-range shooters a choice between portability, balanced all-round use, and maximum reach. Across the range, the common theme is a practical mix of optical refinement and field durability.

The series uses an HD optical system to control chromatic aberration and maintain color fidelity and edge-to-edge sharpness, while XR Plus lens coatings improve light transmission and contrast. Dielectric prism coatings support a bright, neutral image, and argon purging with O-ring sealing protects the optics against internal fogging and bad weather. All current models are tripod adaptable and Arca-Swiss compatible, which suits glassing from fixed positions and long observation sessions. Vortex positions the Viper HD family for western hunting and long-range shooting, where clear detail, dependable mechanics, and efficient tripod use matter more than unnecessary bulk.

About the Vortex Viper HD 15-45x65 Straight

The Vortex Viper HD 15-45x65 Straight is the balanced model in the Viper HD spotting scope range, combining a useful 15-45x magnification range with a more portable 65 mm objective lens. That combination makes it well suited to hunters, target shooters, and field observers who need more reach than a compact spotting scope can provide, but do not want the extra size and weight of an 85 mm class optic. At lower magnification it offers a wider view for scanning terrain, while the upper end gives enough image scale for checking distant detail, reading wind indicators, or confirming shot placement.

The straight eyepiece layout favors direct, intuitive alignment on a subject, which is especially helpful when glassing from a vehicle window mount, from a bench, or when quickly moving from binoculars to a spotting scope. The helical focus system keeps the exterior smooth and easy to handle while allowing fast focus changes as distance shifts. Optically, the HD optical system, fully multicoated lenses, and dielectric prism coatings work together to improve sharpness, contrast, and color fidelity, helping the image stay useful in difficult light and over long viewing sessions.

Its argon-filled, waterproof and fogproof construction is designed for changing weather and temperature swings, while the rubber-armored body adds grip and impact protection in the field. Direct Arca-Swiss compatibility is a practical advantage for tripod users, since it simplifies mounting and reduces the need for extra plates. At 371.00 mm and 1667.00 g, this spotting scope remains substantial enough for steady observation while still being manageable for mobile use.

About Vortex

Vortex traces its roots to a Wild Birds Unlimited store opened by the Hamilton family in Madison, Wisconsin, in 1986. The Vortex brand entered the sport optics market in 2002, and the company is now headquartered in Barneveld, Wisconsin. It is employee-owned and operated, with a product range focused on practical optics for hunting, shooting, and outdoor use.

The company’s catalog covers riflescopes, binoculars, spotting scopes, laser rangefinders, and red dots, with established product families such as Razor, Viper, and Kaibab. Vortex also develops ballistic tools powered by GeoBallistics technology, reflecting its emphasis on field use rather than optics alone. In addition to the sporting market, the company has also supplied advanced aiming systems for military programs, which supports its reputation for durable, application-focused optical equipment.

Main Features

• Magnification: 15.00 x - 18.00 x
• Objective lens diameter: 65.00 mm
• Field of view: 45.50 m/1000m - 22.60 m/1000m
• Angular field of view: 2.6 ° - 1.3 °
• Eye relief: 19.60 mm - 18.00 mm
• Close focus: 7.60 m
• Lens coating: Fully Multicoated
• Eyepiece angle: 0°
• Length: 371.00 mm
• Weight: 1667.00 g
• Gas purging: Argon
• Waterproof: Yes
• Fogproof: Yes
• Tripod adaptable: Yes
• Photo adapter: Yes
• Objective thread: Yes

In the Box

• Ocular Lens Cover
• Objective Lens Cover
• Neoprene Cover
• Lens Cloth