Accessory
Baader Planetarium Telecompressor 2" H-alpha 0.4x – Research Grade
Baader Planetarium · Telecompressor 2" H-alpha 0.4x – Research Grade · field flattener / reducer
Key specifications
| Accessory type | Flattener/Reducer |
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| Weight | 0.08 kg |
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| Back focus | 74 mm |
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| Factor | 0.4 × |
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All specifications
| Interface | 2" male thread both sides |
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| Compatible with | SolarSpectrum H-alpha filters via 2" Universal Flange Adapter #2958240 |
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About
A 0.4x telecompressor that mounts on the rear of a SolarSpectrum H-alpha filter and brings the f/30 beam back to about f/10 for full-disc and lucky imaging, with a 46 mm clear aperture throughout and 2" male threads on both sides.