Leupold BX-5 Santiam HD 12x50

• 12x magnification with 50 mm objectives: this configuration reaches farther than a typical all-purpose binocular while still keeping enough objective size for confident glassing in open country and fading light.
• Professional-Grade Optical System: Leupold’s optical package is built to improve light transmission, control glare, and preserve detail, which helps when picking out animals or terrain features against shadowed backgrounds.
• Open-bridge roof prism design: the open body is easier to hold securely during long sessions behind the glass and keeps this 12x50 format more manageable in the hand.
• Twilight Max HD and Guard-ion coatings: these series technologies support better low-light visibility and help shed water, dirt, and fingerprints, so the image stays usable in changing weather.
• Argon-filled waterproof, fogproof construction: the sealed housing resists internal fogging and weather exposure, making the binocular more dependable for hunting trips and hard field use.

About the Leupold BX-5 Santiam Series

The Leupold BX-5 Santiam series sits in the company’s upper hunting-binocular range and is built for hunters who spend long periods glassing, especially when searching for game at distance. The line covers a useful spread of formats, from 8x42 and 10x42 models for wider, steadier viewing to 10x50, 12x50, and 15x56 versions that favor reach and low-light performance. Across the range, the emphasis is on practical field optics rather than compactness alone.

A defining part of the series is Leupold’s Twilight Max HD light-management system, paired with the company’s Professional-Grade Optical System in current catalog descriptions. In practice, that means an image tuned for contrast, glare control, and useful detail when light is poor or when bright sun creates difficult reflections. The series also uses an open-bridge design for a secure hold during extended observation, along with Guard-ion hydrophobic lens coating to keep exterior lenses clearer in rain, snow, and dust. Taken together, the BX-5 Santiam family is aimed at long-range glassing in hunting terrain where image clarity, handling, and weather resistance matter more than minimum size.

About the Leupold BX-5 Santiam HD 12x50

The Leupold BX-5 Santiam HD 12x50 is the higher-magnification choice for hunters and observers who want more reach than a 10x binocular without stepping all the way into the bulk and shake sensitivity of very high-power glass. Its 12x magnification helps separate animals from background cover at longer distances, while the 50.00 mm objective lenses maintain a useful level of brightness for early and late shooting hours. The result is a binocular well suited to open country, mountain terrain, and any situation where detail at distance matters.

The optical layout uses roof - Schmidt/Pechan prisms and a fully multicoated lens system to support contrast, color fidelity, and a clean image across changing light conditions. A 91.00 m/1000m field of view is controlled enough for precise picking apart of distant slopes, yet still broad enough to track movement without feeling overly narrow for a 12x model. With a 4.16 mm exit pupil and 16.60 mm eye relief, the binocular balances brightness with viewing comfort, including for many eyeglass wearers.

Mechanically, the open-bridge body improves grip and one-handed carry, while the central focusing system allows quick adjustment as distances change. The right eyepiece diopter adjustment helps fine-tune the image to the user’s eyes, and the argon-filled waterproof and fogproof housing is built for cold mornings, wet weather, and repeated field use. At 912.00 g and 175.00 mm long, it remains portable enough for serious hunting optics use while offering the steadier image and light-gathering expected from a full-size 12x50 binocular.

About Leupold

Leupold & Volpel was founded in Portland, Oregon, in 1907 by Fred Leupold and Adam Volpel. The company later became Leupold & Stevens, Inc. and is headquartered in Beaverton, Oregon, United States, where it moved its manufacturing plant and headquarters in 1968. It remains a family-owned business focused on sport optics for hunting, shooting, and outdoor use.

Leupold is especially well known for riflescopes, including the VX and Mark series, but its range also includes binoculars, spotting scopes, rangefinders, red dot sights, and thermal optics. The company introduced its first riflescope, the Plainsman, in 1947 and later introduced the Duplex reticle in 1962. That long background in practical field optics is reflected in products like the BX-5 Santiam HD, which are designed around durability, usable optical performance, and straightforward handling in demanding outdoor conditions.

Main Features

• Magnification: 12.00 x
• Objective lens diameter: 50.00 mm
• Prism type: Roof - Schmidt/Pechan
• Field of view: 91.00 m/1000m
• Field of view (angular): 5.21 °
• Exit pupil: 4.16 mm
• Eye relief: 16.60 mm
• Close focus: 3.50 m
• Lens coating: Fully Multicoated
• Focusing system: Central
• Diopter adjustment: Right eye-piece
• Interpupillary distance: 58.00 mm - 74.00 mm
• Body type: Open bridge
• Filled with: Argon
• Waterproof: Yes
• Fogproof: Yes
• Length: 175.00 mm
• Width: 155.00 mm
• Weight: 912.00 g
• Made in: USA

Warranty

10 years. Leupold lists this binocular with a 10-year warranty, providing defined long-term coverage for this model.

In the Box

• GO Afield shoulder strap
• Binocular case
• Lens covers
• Lens cloth