Step into a breathtakingly immersive visual experience with the Explore Scientific 12mm 92° Series Waterproof Eyepiece. Designed for deep-sky exploration and planetary viewing, this hyper-wide eyepiece delivers a massive 92° apparent field of view, letting you observe more of the sky with less telescope adjustment—especially helpful in non-tracking setups.
Engineered for optical performance and comfort, the 12mm eyepiece features low-dispersion glass, EMD multi-layer coatings, and a flat-field design that maintains edge-to-edge clarity. Its long 20.02mm eye relief ensures comfortable viewing for everyone, including eyeglass wearers.
The rugged argon-purged housing is completely waterproof and sealed to prevent fogging, moisture, or dust infiltration—making this eyepiece a dependable tool for both backyard and field observations. Whether you're hunting for faint nebulae, tracing the arms of a distant galaxy, or resolving planetary detail, this eyepiece offers panoramic, pinpoint-sharp views that draw you deeper into the night sky.
CA Residents: Prop 65 WARNING(S)
⭐ Features & Benefits
- 92° Hyper-Wide Field of View – Expansive sky coverage perfect for deep-sky observing and longer drift time in manual setups
- 20.02mm Eye Relief – Ultra-comfortable viewing, even with eyeglasses
- Low-Dispersion, High-Index Glass – Delivers high-contrast, sharp imagery with minimal chromatic aberration
- EMD Coatings – Enhanced light transmission and reduced internal reflections
- Flat Field Design – Edge-to-edge sharpness with no distortion or curvature
- Argon-Purged & Waterproof – Prevents internal fogging and protects optics from dust and moisture
- Ideal for Averted Vision – Helps you detect faint targets by maximizing peripheral sensitivity
🌟 Who It’s For
- Observers who want ultra-wide, immersive views of deep-sky and planetary objects
- Eyeglass wearers needing long eye relief and edge-to-edge clarity
- Telescope users seeking a rugged, weather-resistant eyepiece for outdoor sessions
🎯 What You’ll Be Able to See
- Sweeping star fields filled with pinpoint stars
- Large nebulae like the Veil or North America Nebula in a single field
- Galaxies, open clusters, and the rich Milky Way core with space to spare
- Planetary detail with excellent contrast and comfort
🎒 What’s Included
- Explore Scientific 12mm 92° Waterproof Eyepiece (2" Barrel)
- Protective Caps
- Eyepiece Storage Box
Specifications
| Item Number | EPWP9212–01 |
| Focal Length | 12mm |
| Apparent Field | 92° |
| Eye Relief | 20.02mm |
| Field Stop Diameter | 27.46mm |
| Barrel Size | 2.00" |
| Length | 152mm |
| Width | 70mm |
| Weight | 2.4 lbs |
| Waterproofing | Argon Purged / O-Ring Sealed |
| Eyecup | Removable Soft Silicone Rubber |
Warranty Information:
This product includes a Limited One-Year USA Warranty, which converts to the Explore STAR Transferable Extended Life of the Product Warranty when registered within 60 days of purchase.
To activate your warranty, register your product at:
www.explorescientific.com/pages/product-registration