Description
Opticron MM4 77 GA ED/45 Spotting Scope + SDLv3 18–54x Eyepiece
Uncompromising Optical Excellence in a Compact, Field-Ready Design
Discover the perfect balance of massive light-gathering power and portable design with the Opticron MM4 77 GA ED/45 Fieldscope Kit. Combining Opticron’s high-performance 77mm ED objective lens with the top-tier SDLv3 18–54x Zoom Eyepiece, this kit delivers ultra-sharp, color-accurate, high-contrast images even in challenging, low-light conditions.
Whether you are a dedicated birder, wildlife observer, or target shooter, the MM4 77 GA ED offers the performance of a full-sized spotting scope without the heavy bulk.
Key Features
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High-Definition ED Optics: Extra-Low Dispersion (ED) glass significantly reduces chromatic aberration (color fringing), delivering crisp edges and true-to-life colors across the entire field of view.
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Compact & Lightweight Body: Built with a durable composite material and high-grade aluminum alloy, wrapped in full rubber armoring (
GA) for maximum shock absorption and grip. -
Premium SDLv3 Zoom Eyepiece: Includes Opticron’s flagship 18–54x eyepiece featuring an advanced 8-element optical design, twist-type retractable eye-cup, and exceptional eye relief for comfortable viewing with or without eyeglasses.
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Dual-Speed Focusing: Features a micro-fine 8:1 dual-focus system allowing you to make ultra-precise adjustments quickly and smoothly.
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All-Weather Reliability: Fully waterproof and nitrogen-purged to prevent internal fogging in cold or damp conditions.
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Versatile 45° Angled Body: Designed for comfortable long-duration viewing, whether observing overhead subjects, sharing views with others, or watching at lower tripod heights.
Specifications
| Feature | Specification |
| Objective Lens Diameter | 77mm |
| Magnification Range | 18x – 54x |
| Body Style | 45° Angled |
| Lens Type | Extra-Low Dispersion (ED) |
| Waterproof | Yes (Nitrogen-purged) |
| Focus Mechanism | Dual Focus (8:1 ratio) |
| Close Focus | ~5.5 m / 18 ft |
| Weight (Body + Eyepiece) | ~1,580 g (approx. 3.5 lbs) |
| Country of Origin | Japan |
What’s in the Box?
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Opticron MM4 77 GA ED/45 Angled Spotting Scope Body
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Opticron SDLv3 Zoom Eyepiece (18–54x)
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Objective Lens Cover & Eyepiece Dust Cap
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Soft Storage / Travel Case





