Accessory · MSRP $14
Blue Fireball 1.25" Spacer Ring with 0.5" Extension S-1B
Key specifications
| Accessory type | Adapter |
|---|---|
| Weight | 0.006 kg |
| Path length | 12.7 mm |
All specifications
| Interface | M28.5x0.6 female to M28.5x0.6 male |
|---|
About
1.25" extension ring with M28.5x0.6 filter threads (female one side, male the other) providing 0.5" (12.7 mm) of spacing, for parfocalising eyepieces or changing a reducer's factor. New version with longer threads.
Where to buy
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