Description
The XWA 20mm is the eyepiece that reminds you what wide-field observing is supposed to feel like. It’s not about magnification or seeing planetary detail. It’s about looking at the sky whole seeing constellations in context, understanding the Milky Way’s structure, watching the universe organize itself across the field. The 34.8mm exit pupil delivers maximum light to your eye, making faint nebulae as bright as optics allow. The 100 field makes the view immersive. This is the eyepiece for the observer who wants to explore, not just examine. If you could own only one XWA, make it the 20mm.
Tech Details:
| Focal Length | 20mm |
| Apparent Field of View | 100 |
| Eye Relief | 15mm |
| Optical Elements | 9 elements / 6 groups, FMC broadband coatings |
| Edge-Blackened Elements | Yes stray light control for contrast on faint objects |
| Barrel | 2″ (M44.50.75) with standard 2″ filter threads |
| Weight | 700g |
| Size | 68mm 160mm |
| Eyecup | Foldable rubber |
| Filter Thread Compatibility | Standard 2″ filter threads |
| Use Case | Wide-field flagship; low-power exploration; maximum light transmission on faint objects |
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