Leupold 8x50mm BX-1 Rogue, Waterproof Porro Prism Binocular with 6.3 Degree Angle of View, Black


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About Leupold 8x50 BX-1 Rogue

Classic styling and design make the Leupold Rogue 8x50mm Binoculars an instant favorite. With a well-balanced body built around a high-performance Porro prism optic system with a lockable focus, the Leupold Rogue 8x 50mm Binocular is perfect for extended viewing with no fatigue. The fully multi-coated lenses create a bright, crisp image and, of course, these Binoculars are rugged and reliable, with Leupold 's trademark waterproofing. A great Binocular at a great value; that's what the Leupold Rogue 8x50 Binocular is all about.

Leupold 8x50 BX-1 Rogue Features

  • Porro prism design offers the user excellent depth perception and outstanding 3D image representation.
  • Multi-coated lens system ensures maximum brightness for clarity, contrast and color fidelity.
  • Rugged, waterproof

Leupold 8x50 BX-1 Rogue Specifications

Actual Magnification
Linear Field of View (ft/1000 yd)
Obj. Aperture (mm)
Exit Pupil (mm)
Eye Relief (mm)
Close Focus Distance
34.0 ft
7.0 in / 178mm
33.0 oz / 936 g

Leupold 8x50 BX-1 Rogue Reviews

Reviewed by 1 customers


Sharp, but not without flaws.


from Western MA  -  Casual/ Recreational

I bought these binoculars mainly due to their waterproof design and price, intending to use them for some backyard astronomy, travel, and vacationing. These are my impressions after 3 weeks of heavy use involving star gazing and beach time at the ocean. For the most part, they are very good, but do have some noticeable drawbacks. The binoculars themselves feel sturdy, well built, and substantial. I never experienced any body flex or image alignment issues. The body is covered with a rubberized, slip-resistant material that is east to grip. The main focus adjustment is accurate and easy to use, although it sometimes feels tight and requires a little extra force to move it initially. Images are incredibly bright and sharp. I had no problem finding the Andromeda Galaxy with them. Stars appear as sharp points of light. When used at the beach, the sharpness and detail of the grains of sand were incredible. The field of view is more than adequate, and I never experienced any eye fatigue when viewing through them. Viewing through these binoculars revealed a fairly flat field, with some minor curvature of the horizon becomming noticeable at the top and botton 20% of view and increasing towards the edge. Sharpness was excellent at the center, and remained very sharp out to about 70% of view, where it softened, but not excessively. Eye relief is very good, and should be more than adequate for eyeglass wearers. Although I wear glasses, I prefer viewing without them. When viewing without glasses, I needed to make sure the twist up eye cups were in their fully extended position to avoid blackout of the center of the image. Although the eyecups are hard plastic and not soft rubber, I never found them uncomfortable to use, even for extender periods. The biggest drawbacks to these binoculars become apparent when viewing high contrast scenes or very bright light sources. High contrast scenes, such as the beach or ocean, reveal noticeable chromatic aberration (color fringing). The CA takes the form of green and magenta color fringing on the edges of very bright, high contrast transitions. The color fringing starts to become noticeable at about 30% off center, and increases out toward the edges of the field of view. Another drawback involves very noticeable and distracting lens flare and ghosting under dark conditions when very bright objects are located outside the field of view. Bright light sources need to be kept well outside the field of view, or else the view will be full of multiple ghosts and reflections. Based on the type and number of ghosts, it is my guess that the prisms are the main contributors. Finally, the twist up eye cups are nice, but the detents can be rather flimsy, making it easy for one or both to be nudged out of position during normal use. In conclusion, these binoculars offer very sharp, bright images in a water proof design which should be more than adequate for general every day use such as bird watching, hiking, etc. However, the noticeable CA in very bright conditions and excessive ghosting under dark conditions makes them less suitable for more specialized applications such as astronomy or marine use.

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