The Leupold BX-5 Santiam HD binoculars in 12x50mm (part no. 175856) deliver extended-range observation with a mid-size roof-prism design suited to hunters, birders, and long-range observers who need reach, light-gathering, and sustained comfort. Leupold improves contrast and low-light performance with advanced HD glass and Twilight Max HD Light Management, and the ergonomic open-bridge styling with a generous eyebox reduces eye strain during extended sessions. A twilight factor of 25 reflects the combined magnification and objective size for low-light use, and the binoculars are fully waterproof and fogproof. Among long-reach binoculars in the BX-5 Santiam HD line, this 12x50mm configuration favors extended-range identification.

Key Specifications

• The magnification is 12x, offering increased detail at longer viewing distances.
• The objective diameter is 50mm, which balances light collection and overall optic size.
• The weight is 32.1 ounces, providing a stable feel while remaining portable.
• The exit pupil measures 5.20mm, helping maintain a bright image in dim conditions.
• The prism configuration is a roof prism, contributing to a compact, mid-size footprint.
• The Twilight Factor is 25, reflecting the optic’s combined magnification and objective size.

Frequently Asked Questions

What does the twilight factor tell me? A higher factor, like this model’s 25, indicates stronger low-light detail resolution at dawn and dusk.

Is this binocular good for extended glassing sessions? Yes, the open-bridge design and generous eyebox are built to reduce eye strain during long use.

Buy the Leupold BX-5 Santiam HD 12x50mm

High-magnification performance with proven low-light management is exactly what this BX-5 Santiam HD delivers for hunting and long watches. Order it from our Lubbock, Texas gun shop and it ships fast, fully insured.