McJ Optics
MCJ Optics HUYM76 - 8x28 Compact Monocular – Waterproof, Nitrogen-Filled, BMC Coated
MCJ Optics HUYM76 - 8x28 Compact Monocular – Waterproof, Nitrogen-Filled, BMC Coated

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MCJ Optics 8x28 Compact Monocular is the go-anywhere optic built for hunters, hikers, and outdoor enthusiasts who demand performance in a pocket-sized package. With bright optics, rugged waterproof construction, and nitrogen-purged internals, it’s ideal for fast field scanning and quick close-to-mid-range spotting.
The 28mm objective lens and BMC multi-coated glass deliver sharp, high-contrast images. Despite its compact 150g build, this monocular features a robust waterproof structure and is all-weather ready, performing even under spray or shallow submersion (1m for 30 minutes).
Twilight index of 14.4 and 12mm eye relief make this model practical in low-light conditions and comfortable for extended use — all in a palm-sized unit that fits your pocket or gear bag.
Key Features:
- 8x magnification with wide 6.8° field of view
- 28mm objective lens with BMC multi-coated optics
- Waterproof construction rated for 1m submersion / 30 minutes
- Nitrogen-filled for fog resistance and long-term clarity
- Compact and ultralight – only 150g
- Minimum focusing distance of 1.6 meters (4.8 ft)
- All-weather performance with ±3 parallax adjustment
Technical Specifications:
Model | MOF-MO-HUYM76 |
---|---|
Magnification | 8x |
Objective Lens Diameter | 28mm |
Prism Type | BK-7 |
Lens Coating | BMC (Broadband Multi-Coated) |
Prism Coating | No |
Number of Lens Groups | 6 pieces / 4 groups |
Exit Pupil Diameter | 3.0mm |
Eye Relief | 12mm |
Field of View | 6.8° / 357 ft @ 1000 yd / 119 m @ 1000 m |
Minimum Focus Distance | 1.6m / 4.8 ft |
Relative Brightness | 9 |
Twilight Index | 14.4 |
Resolution | 8" |
Parallax Adjustment | ±3 |
Waterproof Rating | 1m for 30 minutes |
Nitrogen Filled | Yes |
All-Weather Use | Yes |
Product Dimensions | 118 × 37 × 37 mm |
Product Weight | 150g |
Ultra-portable yet tough enough for the wild — backed by MCJ’s lifetime warranty and field-tested reliability.
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