Choosing the Right Osight: S vs SE vs X
Olight has made a serious impact with its Osight series of pistol red dot sights, blending modern features with intuitive usability. Whether you prioritize enclosed emitters, charging convenience, or window size, there's an Osight that fits your rig. Let’s break down the key differences between the Osight S, Osight SE, and Osight X to help you choose the best option for your setup.
🔫 Osight Overview
The Osight family includes:
- Osight S – Enclosed emitter with magnetic recharging and auto-dimming.
- Osight SE – Enclosed emitter with a replaceable battery and no auto-dimming.
- Osight X – Open emitter, rechargeable, with a larger viewing window and auto-dimming.
🔫 Osight S
- Emitter: Enclosed
- Reticle: 2 MOA dot with 32 MOA circle
- Battery: Internal rechargeable with magnetic charging cover (up to ~21,900 hours runtime on lowest setting) (~87,600 hrs with cover)
- OLED Display: Located on charger, shows battery level
- Brightness: Manual or auto-dimming with ambient light sensor
- Mounting: RMSc footprint
- Shop: Buy Osight S at Zero Point Gear
This model is ideal for compact pistols and users who want a closed emitter, long runtime, and automatic light adjustment.
🔫 Osight SE
- Emitter: Enclosed
- Reticle: 2 MOA dot with 32 MOA circle
- Battery: Replaceable CR1620 (up to ~50,000 hours runtime on mid brightness)
- OLED Display: None
- Brightness: Manual only (no auto-dimming)
- Mounting: RMSc footprint
- Shop: Buy Osight SE at Zero Point Gear
The SE simplifies the setup: no charging cover, no OLED, no sensors—just rock-solid reliability and field-swappable power.
🔫 Osight X
- Emitter: Open
- Reticle: 3 MOA dot with 32 MOA circle
- Battery: Internal rechargeable with magnetic charging cover (up to ~57,000 hours runtime on lowest setting) (~228,000 hrs with cover)
- OLED Display: Located on charger, shows battery level
- Brightness: Manual or auto-dimming
- Mounting: RMR footprint
- Shop: Buy Osight X at Zero Point Gear
For those needing a wide sight window and RMR compatibility, the Osight X offers intuitive controls, long battery life, and crisp visuals.
📊 Feature Comparison Table
| Model | Emitter | Reticle | Battery | Auto-Dimming | OLED Display | Mounting | Material |
|---|---|---|---|---|---|---|---|
| Osight S | Enclosed | 2 MOA + 32 MOA circle |
Rechargeable (~21,900 hrs) (~87,600 hrs with cover) |
✅ Yes | ✅ Battery only (on charger) | RMSc | OAL |
| Osight SE | Enclosed | 2 MOA + 32 MOA circle | CR1620 (~50,000 hrs) | ❌ No | ❌ None | RMSc | 7075 Aluminum |
| Osight X | Open | 3 MOA + 32 MOA circle |
Rechargeable (~57,000 hrs) (~228,000 hrs with cover) |
✅ Yes | ✅ Battery only (on charger) | RMR | OAL |
🔺Mounting Options
- RMSc footprint: Osight S and SE mount easily to many compact optics-ready pistols (Sig P365 XMACRO, Springfield Hellcat OSP, Glock G43x MOS, Ruger Max 9, etc.).
- RMR footprint: Osight X fits standard duty/full-size slides and pistol-caliber carbines.
- osight.com has a great fitment guide.
Need a rail solution? Grab the Osight Picatinny Adapter to run any Osight on a rifle or PCC.
✅ Final Thoughts
- Choose Osight S if you want an enclosed, rechargeable optic with auto-dimming.
- Go with Osight SE if you prefer field-swappable batteries and simplicity.
- Pick Osight X for a wide open window, RMR mounting, and OLED charging feedback.
Whichever you choose, you can find it right here at Zero Point Gear.
Zero in. Lock on. Gear up.