Olight Osight SE Fully Enclosed Green Multi Reticle Optic - RMSc Footprint, Black

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The Olight Osight SE Fully Enclosed Green Multi-Reticle is a compact, enclosed-emitter pistol optic from Olight's Osight line (often branded under Osight). It features an RMSc footprint, making it compatible with many optics-ready micro-compact and subcompact handguns (e.g., Sig P365 series, Glock 43X MOS with adapter, Canik MC9, etc.).

Key Features

• Fully Enclosed Emitter: The optic seals the emitter inside a rugged housing (7075-T6 aluminum) for excellent protection against dust, debris, water (IPX7-rated), and environmental elements — ideal for concealed carry or duty use where open-emitter sights can foul.
• Green Multi-Reticle System: Switch between:
  • 2 MOA dot only (precise for longer shots or accuracy-focused use)
  • 32 MOA circle only ("donut of death" style for fast acquisition)
  • Both dot + circle combined Green reticles often provide better visibility in bright daylight and reduced eye strain for some users compared to red.
• Aspherical Lens: Delivers parallax-free performance with zero distortion and high clarity for quick target acquisition.
• Side-Loading Replaceable Battery: Uses a common CR1620 battery. You can swap it without removing the optic from the slide (no re-zeroing needed). Battery life is typically 50,000+ hours on lower settings (varies by brightness and reticle mode).
• Shake Awake / Motion Activation: Automatically powers on with movement and has multiple brightness levels (daylight and NV compatible).
• Adjustments: 1 MOA per click windage/elevation.
• Size/Weight: Very compact — roughly 1.59" x 0.98" x 0.97" and about 1 oz, keeping it low-profile on EDC pistols.

Key Specifications