Sky Rover 15×56 mm Banner Cloud APO Binocular | Observatory-Class Handheld Deep-Sky Precision
Manufacturer Part # SRBC1556
Manufacturer Part # SRBC1556
The Sky Rover 15×56 mm Banner Cloud APO Binocular represents the pinnacle of precision hand-held optics. With its powerful 15× magnification, 56 mm apochromatic objectives, and exquisitely flat, color-pure image, this is the binocular that turns casual stargazing into a genuine deep-sky experience.
It’s built for those who want to see structure in galaxies, definition in nebulae, and depth in star fields — all without giving up the immersive freedom of using both eyes.
Each optical path employs dual-ED (Extra-low Dispersion) glass elements paired with aspherical eyepieces to achieve true apochromatic correction and a perfectly flat field. The result is color-free, razor-sharp imagery from center to edge, even on bright targets like Venus or the Moon.
All optical surfaces are broadband multi-coated for maximum light transmission, while the premium H-BaK7GT roof prisms receive phase and dielectric coatings that preserve brightness, contrast, and fine tonal gradation. Average transmission exceeds 90%, ensuring exceptional contrast and true, natural color.
The 15×56’s magnesium-alloy chassis delivers outstanding rigidity while keeping overall weight below 1.1 kilograms. Internal nitrogen filling prevents fogging, and IPX7 waterproofing protects against dew, rain, and humidity. Despite its power, the binocular remains beautifully balanced — with a center of gravity that rests naturally in the hands or on a mount.
A precisely geared central focus wheel enables effortless micro-adjustments, critical for fine-tuning at higher magnifications. Five-position twist-up eyecups provide consistent eye placement, and the long 17 mm eye relief ensures fatigue-free viewing even with glasses.
At 15×, the Banner Cloud transforms how you experience the universe. Open clusters like the Double Cluster and M11 explode with star count and depth, while globulars such as M13 and M22 take on granular texture. The Orion Nebula reveals internal structure, and galaxies like M31, M81, and M82 show distinct shape and elongation.
Mounted on a monopod or tripod, the 15×56 is capable of astonishing detail — resolving bright nebulae and tracing the tendrils of the Milky Way across a 4.5° true field. Its 3.7 mm exit pupil maintains brightness while tightening contrast, making it equally effective under dark or moderately light-polluted skies.
For daytime use, the 15×56 offers spectacular long-range performance. Whether surveying coastal landscapes, watching ships at sea, or spotting raptors at great distances, its apochromatic optics deliver crisp, distortion-free images with faithful color and incredible reach. Despite its power, focusing remains smooth and natural — ideal for slow, deliberate observation.
Observers describe the 15×56 Banner Cloud as “the closest thing to a mounted binocular telescope you can still hold.” Many report that it rivals or surpasses premium European 15×56 designs costing far more, particularly in flatness, contrast, and color control.
Some note that at this magnification, image steadiness benefits from light support — a monopod, tripod, or reclining chair transforms the experience. But even hand-held, users praise the stability and mechanical balance that make long sessions surprisingly comfortable.
One experienced observer wrote: “The 15×56 makes clusters come alive — it’s the Banner Cloud that keeps you outside hours longer than you planned.”
The 15×56 mm Banner Cloud APO does not feature threaded objective housings and is not compatible with the 2-inch high-contrast filters used with the 6×32 mm and 7.5×32 mm models. Those filters are exclusive to the 32 mm instruments. The 15×56’s high magnification and large, fully coated optics already deliver maximum contrast and brightness without additional filtration.
To experience the full capability of the 15×56, mount it on a sturdy monopod or tripod with a fluid head. Under dark skies, sweep through Scutum and Sagittarius — you’ll see the Milky Way resolve into countless pinpoint stars, with nebulae and clusters floating in true three-dimensional relief. For lunar viewing, the 15× magnification reveals a wealth of crater detail that rivals what small telescopes can show.
The Sky Rover 15×56 mm Banner Cloud APO Binocular is not just the top of the Banner Cloud series — it’s one of the finest astronomy binoculars available anywhere. Every component, from its apochromatic optics to its precision-machined body, is designed to deliver extraordinary clarity and contrast. For observers who want telescope-level performance with the immersive comfort of binocular vision, this is the ultimate expression of Sky Rover’s optical craft.
| Specification | Value |
|---|---|
| Magnification | 15× |
| Objective Lens Diameter | 56 mm |
| Exit Pupil | 3.7 mm |
| Eye Relief | 17 mm |
| Real Field of View | 5.3° |
| Apparent Field of View | 72° |
| Field of View (1000 m) | 93 m |
| Minimum Focus Distance | 5 m |
| Interpupillary Distance | 58–76 mm |
| Prism Type | H-BaK7GT, phase + dielectric coated |
| Transmittance | 90% average, 92% peak |
| Focus Type | Central focus |
| Body Material | Magnesium alloy |
| Waterproofing | 1 m / 30 min (IPX7) |
| Nitrogen-Filled | Yes |
| Weight | 1,180 g (body) |
| Dimensions | 198 x 134 x 72 mm |
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