Details
H-Alpha 40mm narrowband unit for use in doublestacking. Cannot be used without secondary interference filter. Comes with T-Max tuner. Needs a SM40 Doublestack Adapter Plate (sold separately) in order to attach to a SolarMax 40.
Additional Information
| Model | SM40 |
|---|---|
| Weight | 3.0000 |
| Aperture | 40mm |
| Function | Double stacking filter |
| Use | Factory Installation Only |
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