Description
Any standard 1.25″ nebula or light pollution filter OIII filters are particularly effective at this magnification on emission nebulae.
Final Thoughts
The 15.5mm PF lives in the magnification range that bridges survey and detail low enough to show context and scan rich fields, high enough to resolve structure in globular clusters and show cloud belts on planets. If you already own a stock eyepiece and you’re ready for an honest step up without a premium price tag, this is it. Flat field, light weight, nearly parfocal across the line, and priced so you can build a real set instead of just one premium eyepiece.
Tech Details:
| Focal Length | 15.5mm |
| Apparent Field of View | 65 |
| Field Stop Diameter | 17.4mm |
| Optical Elements | 5 elements / 3 groups, fully multicoated |
| Eye Relief | 16mm |
| Barrel Size | 1.25″ |
| Filter Threads | Yes standard 1.25″ |
| Weight | 80g (2.8 oz) |
| Eyecup | Folding rubber |
| Warranty | 1 year |
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