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Vortex

Vortex Crossfire HD 8x42 Binoculars CF-4311

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

8x Magnification

42mm objective lenses for full-size

Roof Prism

Design offers greater durability and

Nitrogen Gas

Purged construction

Waterproof Shockproof

For harsh hunting conditions

Rubber Armor

Protective exterior coverage

$139.99
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SKU: CF-4311-875874009844

Overview

Built for hunters who want a full-size binocular for field glassing, this model combines 8x magnification with 42mm objective lenses in a roof prism design. The optical system uses Select glass elements and fully multi-coated lenses to support resolution, color fidelity, edge-to-edge sharpness, and light transmission. Rubber armor adds protection for hard use, while the waterproof, shockproof, and nitrogen gas purged construction makes it a practical choice for demanding hunts where conditions can change quickly.

Why Hunters Choose the Vortex

8x Magnification

42mm objective lenses for full-size

Roof Prism

Design offers a more compact,

Nitrogen Gas

Purged construction adds protection in

Rubber Armor

Helps shield the binoculars in

Waterproof Shockproof

Design supports demanding field use

Key Features

  • 8x magnification with 42mm objective lenses for full-size viewing
  • Roof prism design offers greater durability and a more compact size
  • Nitrogen gas purged construction
  • Waterproof and shockproof for harsh hunting conditions
  • Rubber armor provides protective exterior coverage
  • Fully multi-coated lenses increase light transmission

Best Used For

  • Hunters wanting full-size binoculars for general glassing in varied field conditions
  • Users who need waterproof, shockproof optics for demanding backcountry hunts
  • Those prioritizing 8x magnification with 42mm objectives for steady, versatile viewing
  • Hunters seeking roof prism binoculars with a more compact, durable design
  • Field users who value rubber armor protection during rough transport and use

Specifications

Chromatic Aberration Reductiontrue
Color Fidelitytrue
Edge To Edge Sharpnesstrue
Fully Multi Coated Lensestrue
High Definition Optical Systemtrue
Light Transmissiontrue
Magnification8x
Nitrogen Gas Purgedtrue
Objective Lens Diameter42mm
Prism TypeRoof prism
Rubber Armortrue
Select Glass Elementstrue
Shockprooftrue
Waterprooftrue

Pros

  • 8x magnification with 42mm objective lenses for full-size viewing
  • Roof prism design offers a more compact, durable binocular format
  • Nitrogen gas purged construction adds protection in changing conditions
  • Rubber armor helps shield the binoculars in harsh environments
  • Waterproof and shockproof design supports demanding field use
  • Fully multi-coated lenses increase light transmission across air-to-glass surfaces

Considerations & Trade-offs

  • 8x magnification with 42mm objective lenses offers a full-size viewing setup, but it is less compact than smaller binocular formats.
  • The roof prism design is described as durable and more compact, though the binoculars are still built as a full-size model rather than a lightweight compact.
  • Waterproof, shockproof, and nitrogen gas purged construction adds protection in harsh conditions, but those features do not replace careful handling in the field.
  • The optical system emphasizes resolution, color fidelity, and edge-to-edge sharpness, but performance will still depend on lighting and viewing conditions.

Suggested Comparisons

  • 8x42 binoculars
  • Roof prism binoculars
  • Waterproof binoculars
  • Full-size hunting binoculars

Suggested Accessories

  • Binocular harness
  • Lens cleaning kit
  • Protective binocular case
  • Tripod adapter

Frequently Asked Questions

What magnification and objective lens size do these binoculars have?

They are 8x42 binoculars, with 8x magnification and 42mm objective lenses.

Are these binoculars built for rough hunting conditions?

Yes. The product data says they are wrapped in rubber armor and are waterproof, shockproof, and nitrogen gas purged.

What kind of prism design do they use?

They use a roof prism design, which the product data notes is valued for greater durability and a more compact size.

Do these binoculars have coated lenses?

Yes. The long description says they use fully multi-coated lenses with multiple anti-reflective coatings on all air-to-glass surfaces.

What optical features are highlighted in the product data?

The product data mentions Select glass elements, exceptional resolution, reduced chromatic aberration, outstanding color fidelity, edge-to-edge sharpness, and light transmission.